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Market Analysis · CBSA 41420

Salem Car Wash Market Analysis

Salem, OR

Data updated · June 9, 2026

Salem car wash market analysis: 249 locations, 11 chains, 13,080 customer reviews. Format mix, operator rank, county breakdown, rating vs. income, aspect-level customer signals.

Snapshot

Locations
249
91% independent
Chains
11
lead: Washman Happy Valley (4 sites)
Avg rating
4.28★
-0.13 vs national MSA median
Damage rate
1.4%
near national MSA norm
Cancel friction
13.2%
Top format
detail shop
43% of classified inventory
Median single wash
$13
range $10–$22
Median unlimited
$24.99/mo
cheapest $19.99/mo at Personal Touch Car Wash of Stayton

Market Quality snapshot

Population
435,085
ACS 2023 5-year
Households
157,987
ACS 2023 5-year
Residents per wash
1,747
near the national MSA median
Express tunnels per 10K households
0.3
below the ~0.5 expandable band · classified sites

Key findings

  • 249 car wash locations operated by 11 chains and 227 independents across 2 counties.
  • Weighted Google rating 4.28★ across the market; structural concentration and format mix sit near US-metro norms.
  • Built from 13,080 Google reviews, 3,137 of them AI-extracted across 55 dimensions.
Detail Shop (21)In-Bay Automatic (8)Full Service (7)Self-Serve Bay (7)Express Tunnel (5)

249 car wash locations across 2 counties · dots colored by format · sized by review volume

Locations
249
Chains
11
+ 227 independents
Reviews
13K
Avg Rating
4.28
Damage Rate
1.43%
Median AGI/return
$70K
location-weighted
Executive Read

Salem reads as a balanced car wash market — neither sharply consolidated nor unusually fragmented. 249 locations across 11 chains and 227 independents, distributed across 2 counties. Customer-experience signals across 3,137 AI-extracted reviews produce the distinct read on this market.

Weighted rating 4.28★; damage 1.4%; membership-cancel friction 13.2%. Equipment reliability runs as the sharpest friction (-0.60). Per-operator and per-format cuts below are more informative than the aggregates.

Published pricing across the 15 of 250 Salem locations with menus available: median single car wash $13 (range $10–$22), median unlimited membership $24.99/month (range $19.99–$75/mo). The cheapest unlimited membership in the metro is $19.99/mo at Personal Touch Car Wash of Stayton (Starting at).

Top operators

See the top car wash chains in Salem

Ranked by location count in the metro

$$ Pricing

What does a car wash cost in the Salem metro?

Published menu pricing for car washes in the Salem metropolitan area, captured from operator websites and the WashIndex AI calling agent. 15 of 250 tracked locations have usable published pricing (6% coverage).

Single Wash
$13
median · range $10–$22 · 10 locations tracked
Unlimited Membership
$24.99 per month
median · range $19.99–$75 per month · 7 programs tracked
Cheapest unlimited memberships in Salem
1 Personal Touch Car Wash of Stayton Starting at $19.99 per mo
2 Dash Car Wash, Market and Fuel Essential $20 per mo
3 Washman Car Wash | Market St. #1 Monthly Recurring $24.99 per mo
4 Washman Car Wash | Commercial St. #1 Monthly Recurring $24.99 per mo
5 Washman Car Wash | South Lancaster #1 Unlimited $24.99 per mo
Cheapest single car washes in Salem
1 Marshal Truck Wash | Truck Wash in Aurora Car Wash $10
2 Dash Car Wash, Market and Fuel Essential $10
3 Blue Elephant Car Wash Basic Package $11
4 John's Car Wash Advanced Wash $12
5 Johns Car Wash Advanced Wash $12

Pricing scraped from operator websites where published; the WashIndex AI calling agent rings up locations that don’t publish menus online to capture pricing directly.

Official industry footprint · BLS QCEW 2024

The car wash industry in the Salem metro, officially

the Salem metro has 30 car-wash employer establishments employing about 180 people, at a $29,646 average annual wage.

Employer establishments
30
NAICS 811192 · 2024
Industry jobs
180
private, annual avg
Avg annual wage
$29,646
per employee

Source: U.S. Bureau of Labor Statistics, QCEW (private, NAICS 811192). Counts car-wash employer establishments, a narrower universe than all physical wash locations — see methodology.

SBA Lending · FY2010–present

Car wash financing in the Salem metro

Operations-heavy

Since 2010, the U.S. Small Business Administration has backed 9 car-wash loans in the Salem metro worth $1.2M, at a $45,000 median per car wash and a 33.3% charge-off rate. Early read: an outsized 56% of loans were for working capital rather than construction or acquisition (vs. 10% nationally), which can point to operators managing cash flow more than expanding.

SBA loans
9
FY2010–2024
Total approved
$1.2M
7(a) + 504
Median loan
$45K
per car wash
Charge-off rate
33.3%
of 6 resolved
SBA car-wash loans approved per fiscal year
1 1 1 1 2 2 2 2 2010 2011 2016 2019 2022 2023 2024 Loans approved — 2010: 1 Loans approved — 2011: 1 Loans approved — 2016: 2 Loans approved — 2019: 1 Loans approved — 2022: 1 Loans approved — 2023: 2 Loans approved — 2024: 1
Loans by county
  • Marion 9
What the loans fund · estimated from loan terms
  • New build / open11% · $141K
  • Expansion / improvement33% · $286K
  • Working capital56% · $20K

Source: U.S. Small Business Administration 7(a) & 504 FOIA datasets (NAICS 811192), data through 2026-03-31. See the Car Wash Lending Tracker for national figures and methodology.

Frequently Asked Questions

About the Salem car wash market

How many car washes are in the Salem metro?

+
There are 249 car wash locations across the Salem, OR CBSA, spanning 2 counties.

What is the best-rated car wash in the Salem metro?

+
Dani Mobile Detailing in , OR is the highest-rated car wash in the Salem metro at 5.0★ across 365 Google reviews (filtering to locations with at least 100 reviews).

Which car wash chain has the most locations in Salem?

+
Washman Happy Valley has the most locations in the Salem metro with 4 sites, followed by Shell (3 sites). The metro has 11 multi-location operators in total, alongside 227 independent or single-location sites.

What is the average customer rating in the Salem car wash market?

+
The review-weighted average rating across all 249 car washes in the Salem metro is 4.28★, based on 13,080 Google reviews processed through WashIndex's customer-experience pipeline.

What is the typical household income near car washes in Salem?

+
Across the ZIP codes containing the Salem metro's car washes, the location-weighted median IRS-reported AGI per tax return is $70K (tax year 2022) — a rough proxy for trade-area household income.

How much does a car wash cost in Salem?

+
Single-wash prices across the Salem car wash market range from $10 to $22, with a median of $13 across 10 locations that publish their pricing. The cheapest single car wash in the metro is $10 at Marshal Truck Wash | Truck Wash in Aurora (Car Wash). Pricing data is captured from operator websites and the WashIndex AI calling agent.

How much does an unlimited car wash membership cost in Salem?

+
Unlimited car wash memberships in the Salem metro range from $19.99/month to $75/month, with a median of $24.99/month across 7 programs tracked. The cheapest unlimited membership is $19.99/month at Personal Touch Car Wash of Stayton (Starting at); the most expensive tracked is $75/month at Titus Auto Detailing LLC (Maintenance Program 1-month).

What is the cheapest car wash in Salem?

+
The cheapest single car wash in the Salem metro is $10 at Marshal Truck Wash | Truck Wash in Aurora (Car Wash tier). For ongoing customers, the cheapest unlimited membership is $19.99/month at Personal Touch Car Wash of Stayton (Starting at) — a break-even of roughly 1.5 washes per month at the metro's median single-wash price of $13.
01 Format Mix

What kinds of car washes does Salem have?

The table below lists every operating format we classify, with locations, reviews, average rating, damage rate, and membership-cancel friction broken out per format. Salem's mix sits close to the US-metro median shape.

Highest-rated format: Detail Shop at 4.91★ across 20 locations. Lowest-rated: Full Service at 3.89★ (7 locations).

Detail Shop20 (42.6%) · 4.91★In-Bay Automatic8 (17.0%) · 4.09★Full Service7 (14.9%) · 3.89★Self-Serve Bay7 (14.9%) · 3.93★Express Tunnel5 (10.6%) · 4.17★
Format Locations % of MSA Reviews Avg Rating Damage Rate Cancel Friction
Detail Shop 20 8.0% 1,464 4.91 0.16%
In-Bay Automatic 8 3.2% 1,387 4.09 2.02% 0.0%
Full Service 7 2.8% 2,800 3.89 3.69% 16.0%
Self-Serve Bay 7 2.8% 1,621 3.93 1.47%
Express Tunnel 5 2.0% 1,099 4.17 5.97% 12.5%
02 Income & Demographics

What is the household income near Salem car washes?

Read together with the format mix above, the income scatter below tells you whether car wash quality in Salem tracks neighborhood income, format mix, or neither. Operating quality usually dominates this picture.

Pearson r between ZIP income and Google rating across 71 qualifying locations: 0.15 — mild positive. Higher-income ZIPs host slightly better-rated washes, but operator execution still dominates. Scatter mean: $75K AGI/return, 4.34★.

3.0★3.5★4.0★4.5★5.0★$20K$50K$80K$110K$140K$170K$200KMean AGI per Tax Return (ZIP)Google RatingCar Toys — Salem (97301): 4.1★, 1356 reviews, $51K AGI per return, UnclassifiedWashman Car Wash | Market St. — Salem (97305): 4.1★, 838 reviews, $57K AGI per return, Full ServiceFreeman Motor Showroom | Salem — Salem (97301): 4.8★, 731 reviews, $51K AGI per return, UnclassifiedMagic Touch Car Wash — Salem (97305): 3.8★, 623 reviews, $57K AGI per return, Full ServiceWashman Car Wash | Commercial St. — Salem (97302): 3.7★, 621 reviews, $93K AGI per return, Full ServiceDrive In Car Wash & Auto Detailing — Hubbard (97032): 4.4★, 446 reviews, $71K AGI per return, Self-Serve BayBlue Elephant Car Wash — Salem (97304): 4.5★, 415 reviews, $90K AGI per return, Express TunnelJohn's Car Wash — Salem (97304): 4.3★, 338 reviews, $90K AGI per return, In-Bay AutomaticWashman Car Wash | South Lancaster — Salem (97301): 4.2★, 337 reviews, $51K AGI per return, Full ServiceMarshal Truck Wash | Truck Wash in Aurora — Aurora (97002): 3.5★, 298 reviews, $114K AGI per return, Full Service76 — Salem (97306): 4.0★, 291 reviews, $86K AGI per return, In-Bay AutomaticHubbard Chevrolet — Hubbard (97032): 4.6★, 276 reviews, $71K AGI per return, UnclassifiedSoap N Suds Car Wash — Salem (97301): 3.4★, 258 reviews, $51K AGI per return, Self-Serve BayFine Touch Detailing LLC — Salem (97305): 5.0★, 257 reviews, $57K AGI per return, Detail ShopSpray-N-Shine Car Wash — Dallas (97338): 3.9★, 254 reviews, $74K AGI per return, Self-Serve BayRoberson Carwash — Salem (97301): 4.2★, 249 reviews, $51K AGI per return, Express TunnelJohns Car Wash — Salem (97306): 4.3★, 224 reviews, $86K AGI per return, In-Bay AutomaticShell — Grand Ronde (97347): 4.0★, 206 reviews, $57K AGI per return, In-Bay AutomaticPersonal Touch Car Wash — Woodburn (97071): 3.6★, 199 reviews, $58K AGI per return, Express TunnelSilver Falls Car Wash — Silverton (97381): 4.3★, 188 reviews, $88K AGI per return, Self-Serve BayCar'l B Klean Self Serve — Salem (97317): 3.7★, 186 reviews, $78K AGI per return, Self-Serve BaySoap N Suds Car Wash — Keizer (97303): 3.4★, 180 reviews, $70K AGI per return, Self-Serve Bay76 — Salem (97303): 3.9★, 173 reviews, $70K AGI per return, In-Bay AutomaticPersonal Touch Car Wash of Stayton — Stayton (97383): 4.4★, 161 reviews, $76K AGI per return, Express TunnelMohr Motors — Aumsville (97325): 4.5★, 133 reviews, $83K AGI per return, UnclassifiedWillamette Auto Detail — Salem (97305): 4.6★, 129 reviews, $57K AGI per return, Detail ShopBlack Diamond Auto Spa & Tinting | Window Tint, PPF & Ceramic Coating Salem — Salem (97301): 4.4★, 120 reviews, $51K AGI per return, UnclassifiedFreeman Service Center & Collision Repair | SALEM — Salem (97301): 4.6★, 117 reviews, $51K AGI per return, UnclassifiedBig Red Car Wash — Salem (97302): 4.0★, 109 reviews, $93K AGI per return, Self-Serve BayLulay's Car Connection — Salem (97302): 4.4★, 108 reviews, $93K AGI per return, UnclassifiedS.C.A. Detailing — Salem (97301): 4.8★, 106 reviews, $51K AGI per return, Detail ShopAll Star Detail, LLC — Salem (97302): 5.0★, 89 reviews, $93K AGI per return, Detail ShopSilver Creek Auto Body — Silverton (97381): 4.9★, 87 reviews, $88K AGI per return, Detail ShopCar'l B Klean — Keizer (97303): 3.8★, 86 reviews, $70K AGI per return, UnclassifiedShell — Silverton (97381): 4.1★, 76 reviews, $88K AGI per return, In-Bay AutomaticDash Car Wash, Market and Fuel — Salem (97303): 3.2★, 75 reviews, $70K AGI per return, Express TunnelDetailed Automotives Car Detailing Salem — Salem (97302): 5.0★, 71 reviews, $93K AGI per return, Detail ShopGoDetail Mobile Car Detailing Salem — Salem (97302): 4.7★, 63 reviews, $93K AGI per return, Detail ShopShell — Salem (97305): 3.6★, 60 reviews, $57K AGI per return, In-Bay AutomaticWashman Car Wash | Keizer — Keizer (97303): 4.4★, 59 reviews, $70K AGI per return, Full ServiceUltimate Auto Detail — Salem (97302): 4.8★, 53 reviews, $93K AGI per return, Detail ShopG&G Supply Co. / G&G Auto Care Supply Inc. — Salem (97301): 4.5★, 53 reviews, $51K AGI per return, UnclassifiedRugged Cross Auto Detail — Keizer (97303): 4.8★, 52 reviews, $70K AGI per return, Detail ShopStar Mini Storage & Car Wash — Jefferson (97352): 3.9★, 48 reviews, $76K AGI per return, UnclassifiedA1 Detailing L.L.C — Woodburn (97071): 5.0★, 32 reviews, $58K AGI per return, Detail ShopPrecision Auto Detailing — Salem (97302): 5.0★, 29 reviews, $93K AGI per return, Detail ShopDetailing Bee — Independence (97351): 4.9★, 29 reviews, $64K AGI per return, Detail ShopMIDNIGHT AUTO COLLISION — Salem (97306): 4.9★, 28 reviews, $86K AGI per return, UnclassifiedRiverplace Carwash — Independence (97351): 2.3★, 28 reviews, $64K AGI per return, UnclassifiedWest Valley Detailing — Dallas (97338): 5.0★, 28 reviews, $74K AGI per return, UnclassifiedEspy's Automotive Detail's LLC — Woodburn (97071): 5.0★, 26 reviews, $58K AGI per return, UnclassifiedSplash wash — Salem (97305): 3.0★, 24 reviews, $57K AGI per return, Full ServiceDesire Detail LLC — Silverton (97381): 5.0★, 24 reviews, $88K AGI per return, Detail ShopQuick Trim Graphics — Salem (97302): 4.9★, 24 reviews, $93K AGI per return, Detail ShopForever Young Mobile Detailing LLC — Salem (97306): 5.0★, 21 reviews, $86K AGI per return, Detail ShopProwash Car Wash — Salem (97306): 3.6★, 21 reviews, $86K AGI per return, UnclassifiedCircle K — Stayton (97383): 3.2★, 19 reviews, $76K AGI per return, In-Bay AutomaticRoth's Car Wash — Silverton (97381): 3.7★, 19 reviews, $88K AGI per return, UnclassifiedXStream Pressure Cleaning — Salem (97302): 4.5★, 19 reviews, $93K AGI per return, UnclassifiedBarrios Auto Detailing. LLC — Aurora (97002): 5.0★, 18 reviews, $114K AGI per return, UnclassifiedPlatinum detailing — silverton (97381): 4.8★, 18 reviews, $88K AGI per return, Detail ShopNW ROADE — Aumsville (97325): 5.0★, 17 reviews, $83K AGI per return, UnclassifiedMaster's Touch Auto — Stayton (97383): 4.5★, 17 reviews, $76K AGI per return, UnclassifiedSafe Auto Detail — Salem (97317): 3.9★, 17 reviews, $78K AGI per return, UnclassifiedCode Auto Spa & Detail LLC — Independence (97351): 5.0★, 16 reviews, $64K AGI per return, Detail ShopHuerta's Car Detailing — Woodburn (97071): 4.5★, 16 reviews, $58K AGI per return, Detail ShopWillamette Auto Detail — Salem (97317): 5.0★, 14 reviews, $78K AGI per return, Detail ShopMCC Detailing — Aumsville (97325): 4.5★, 14 reviews, $83K AGI per return, UnclassifiedCurts Shop — Woodburn (97071): 5.0★, 14 reviews, $58K AGI per return, UnclassifiedSalem Suds — Salem (97306): 4.6★, 12 reviews, $86K AGI per return, UnclassifiedTitus Auto Detailing LLC — Dallas (97338): 5.0★, 11 reviews, $74K AGI per return, Detail Shop
Detail Shop In-Bay Automatic Full Service Self-Serve Bay Express Tunnel

Car wash count and quality by income tier

Blue bars: location count per tier. Orange tick marks: average Google rating (same y-axis).

745637190Under $50K0 locs · 0.00★$50K – $75K74 locs · 4.19★$75K – $100K52 locs · 4.30★$100K – $150K3 locs · 3.59★$150K+0 locs · 0.00★
Income tier (mean AGI/return) ZIPs Locations Reviews Avg Rating Top Format
Under $50K 0 0 0 0.00
$50K – $75K 9 74 7,557 4.19 Detail Shop (9)
$75K – $100K 8 52 3,957 4.30 Detail Shop (12)
$100K – $150K 1 3 316 3.59 Full Service (1)
$150K+ 0 0 0 0.00

Top-tier 0 sites, 0.00★ avg; bottom-tier 0 sites, 0.00★. Across Salem's 71 qualifying locations, the income gradient correlates only weakly with rating — operator execution dominates.

03 Dominant Chains

Who operates the most Salem car washes?

11 chains alongside 227 independents make up Salem's car wash supply. The chain rank below shows the multi-location operators' position; the per-location detail near the bottom of the page captures the independent layer.

# Chain Locations Reviews Avg Rating Damage Cancel Upsell
1 Washman Happy Valley 4 1,855 3.99 3.81% 0.32%
2 Shell 3 342 3.95
3 76 2 464 3.96
4 Willamette Auto Detail 2 143 4.64
5 Personal Touch Car Wash 2 360 3.96
6 Johns Car Wash 2 562 4.30
7 Freeman Motor Showroom | Salem 2 848 4.77 0.00% 0.35%
8 Soap N Suds Car Wash 2 438 3.40
9 Circle K 1 19 3.20
10 GoDetail Car Detailing 1 63 4.70
11 Car Toys 1 1,356 4.10 3.90% 3.55%
04 County Breakdown

Which counties have the most car washes in Salem?

The table below splits the metro's car wash inventory across the 2 counties of the Salem, OR CBSA, with location count, total reviews, and weighted-average rating per county.

Cross-county rating dispersion: 0.06★ between the highest- and lowest-rated counties with meaningful sample size.

County Locations % of MSA Reviews Avg Rating
Marion County 225 90.4% 11,882 4.28
Polk County 25 10.0% 1,198 4.34
05 Customer Experience Signals

What do customers love and complain about in Salem?

The aspect grid below summarizes 3,137 AI-extracted reviews across 249 Salem car wash locations. Each aspect lands on a -1…+1 scale (negative = customers complain more than they praise; positive = the reverse).

Staff +0.80
Wash Quality +0.77
Facility Cleanliness +0.75
Wait Time +0.51
Per-Wash Price +0.32
Membership Value +0.31
Equipment Working -0.60
06 All Locations

Where are all the car washes in the Salem metro?

The complete inventory of car wash locations in the Salem MSA is captured in the underlying dataset; the table below shows the highest-review-volume sites for at-a-glance comparison. Each row shows operator, address, format, chain affiliation, rating, review count, and the IRS mean AGI for the ZIP.

Location City Format Chain Rating Reviews ZIP AGI
Car Toys
448 Lancaster Dr NE
Salem, OR Car Toys 4.1 1,356 $51K
Washman Car Wash | Market St.
1705 Lancaster Dr NE
Salem, OR Full Service Washman Happy Valley 4.1 838 $57K
Freeman Motor Showroom | Salem
3784 Portland Rd NE
Salem, OR Freeman Motor Showroom | Salem 4.8 731 $51K
Magic Touch Car Wash
1922 Lancaster Dr NE
Salem, OR Full Service 3.8 623 $57K
Washman Car Wash | Commercial St.
4096 Commercial St SE
Salem, OR Full Service Washman Happy Valley 3.7 621 $93K
Drive In Car Wash & Auto Detailing
3092 1st St
Hubbard, OR Self-Serve Bay 4.4 446 $71K
Blue Elephant Car Wash
570 Bassett St NW
Salem, OR Express Tunnel 4.5 415 $90K
Dani Mobile Detailing
, OR 5.0 365
John's Car Wash
1175 Edgewater St NW
Salem, OR In-Bay Automatic Johns Car Wash 4.3 338 $90K
Washman Car Wash | South Lancaster
260 Lancaster Dr NE
Salem, OR Full Service Washman Happy Valley 4.2 337 $51K
Marshal Truck Wash | Truck Wash in Aurora
12271 Melinda Ln NE
Aurora, OR Full Service 3.5 298 $114K
76
5095 Commercial St SE
Salem, OR In-Bay Automatic 76 4.0 291 $86K
Hubbard Chevrolet
3080 J St
Hubbard, OR 4.6 276 $71K
Soap N Suds Car Wash
270 Lancaster Dr NE
Salem, OR Self-Serve Bay Soap N Suds Car Wash 3.4 258 $51K
Fine Touch Detailing LLC
4546 Shawn Ct NE
Salem, OR Detail Shop 5.0 257 $57K
Spray-N-Shine Car Wash
332 S Main St
Dallas, OR Self-Serve Bay 3.9 254 $74K
Roberson Carwash
3000 Ryan Dr SE
Salem, OR Express Tunnel 4.2 249 $51K
Johns Car Wash
5423 Commercial St SE
Salem, OR In-Bay Automatic Johns Car Wash 4.3 224 $86K
Shell
26820 Salmon River Hwy
Grand Ronde, OR In-Bay Automatic Shell 4.0 206 $57K
Personal Touch Car Wash
432 N Pacific Hwy
Woodburn, OR Express Tunnel Personal Touch Car Wash 3.6 199 $58K
Silver Falls Car Wash
604 McClaine St
Silverton, OR Self-Serve Bay 4.3 188 $88K
Car'l B Klean Self Serve
97301, 270 Lancaster Dr SE
Salem, OR Self-Serve Bay 3.7 186 $78K
Soap N Suds Car Wash
3825 River Rd N
Keizer, OR Self-Serve Bay Soap N Suds Car Wash 3.4 180 $70K
76
2840 Broadway St NE
Salem, OR In-Bay Automatic 76 3.9 173 $70K
Polished Mobile Detailing
, OR 5.0 166
Nearby Other OR metros

Compare Salem to other OR car wash markets

Each link drills into a full per-metro analysis — operator concentration, format mix, and customer-experience signals against the same methodology.

Cite this page

Data as of 2026-06-09. Pick a format and click Copy.

APA
WashIndex. (2026, June 9). Salem car wash market analysis. https://washindex.com/car-wash-markets/salem
Chicago
WashIndex. "Salem car wash market analysis." WashIndex. Last modified June 9, 2026. https://washindex.com/car-wash-markets/salem.
MLA
"Salem car wash market analysis." WashIndex, Jun. 9, 2026, https://washindex.com/car-wash-markets/salem.
BibTeX
@misc{washindex_car_wash_markets_salem_2026,
  title  = {{Salem car wash market analysis}},
  author = {{WashIndex}},
  year   = {2026},
  month  = {Jun},
  url    = {https://washindex.com/car-wash-markets/salem},
  urldate = {2026-06-09},
}

About this analysis

Car wash inventory for the Salem, OR CBSA is determined by point-in-polygon test against the official US Census county boundaries (TIGER/Line, 2024) for the 2 counties that make up the MSA. Each location was verified to fall inside one of those county polygons; lat/lng comes from Google Maps metadata.

Operating-quality signals are derived from 3,137 customer reviews processed through WashIndex's 55-field LLM extraction pipeline. Format classification comes from a separate per-location website-reading classifier. ZIP-level income data is from the IRS Statistics of Income (tax year 2022) — mean Adjusted Gross Income per tax return, which is directionally aligned with ACS median household income but available without authentication.

See our full methodology for the extraction pipeline, validation samples, and aggregation logic. Term definitions in the glossary.

Machine-readable: JSON ↓ · API root

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Drill into the data directly.

The free WashIndex platform shows every Salem car wash on an interactive map, with the same review-derived signals and demographic overlays that power this analysis. Filter by format, drive-time, or operator and compare any location head-to-head with its true competitive set.