Auto · County · Indiana
Auto repair shops in Porter County, IN
How Porter County, IN compares with other counties and the U.S. for auto repair shops: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 69 out of 100: Upper middle
Ranked #369 of 2,378 scored counties
#24 of 85 scored counties in Indiana
- Listings
- 128
- 28 chain locations (22%)
- Official establishments
- 68
- −2.9% since 2019
- Household spending a year
- $77.6M
- On vehicle maintenance and repairs · $1,131 a household
- Spending per listing
- $607K
- 36% above the U.S.
- Listings per 10k households
- 18.6
- 13% below the U.S.
- Population, 2025
- 176,049
- +1.6% since 2020
See the auto repair shops around any address in Porter County
The site report maps the auto repair shops on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Porter County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 128 auto repair shops in Porter County. 28 of them (22%) are chain locations, against 16% across the U.S. Per 10,000 households, that is 18.6, 13% below the U.S. rate of 21.5.
Household spending on vehicle maintenance and repairs in Porter County comes to about $77.6M a year: $1,131 per household, 18% above the U.S. average. That is about $607K of household spending for each shop on map listings, 36% above the U.S. figure of $445K. That spending covers all vehicle maintenance and repairs, which auto repair shops share with other businesses in the trade.
The official count of businesses with payroll classed as mechanical, body and glass repair in Porter County was 68 in 2023, down 2.9% from 2019. That is one for every 1,009 households, against one for every 955 across the U.S. Official counts also show 79 one-person businesses without payroll. Since fiscal 2022, 4 SBA-backed loans worth $851K have gone to businesses classed as mechanical, body and glass repair in Porter County.
Population estimates put the population change in Porter County from 2020 to 2025 at +1.6%, slower than the U.S. (+3.1%). The Groundwork market score for auto repair shops in Porter County is 69 (upper middle), #369 of 2,378 scored counties and #24 of 85 scored counties in Indiana. That puts it in the top quarter of counties.
How Porter County compares
The same measures for Indiana and the whole U.S. Spending per listing divides a year of household spending on all vehicle maintenance and repairs by the auto repair shops counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Porter County | Indiana | U.S. |
|---|---|---|---|
| Listings per 10k households | 18.6 | 21.3 | 21.5 |
| Spending per listing | $607K | $504K | $445K |
| Households per official establishment | 1,009 | 928 | 955 |
| Official establishment growth, 2019–2023 | −2.9% | +0.4% | +2.1% |
| Population growth, 2020–2025 | +1.6% | +2.7% | +3.1% |
| Spending per household on vehicle maintenance and repairs | $1,131 | $1,072 | $958 |
| Median household income | $87,972 | $71,957 | $80,734 |
| Groundwork market score | 69 | 64 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 70 → 68−2.9% over the period
- Employees, 2023
- 379
- Annual payroll, 2023
- $21.9M
- One-person businesses, 2023
- 79Businesses with no payroll
- Map listings, September 2026
- 12828 chain locations
- Listings at the U.S. rate for this spending
- 175The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 4
- Amount
- $851K
SBA-backed loans to businesses classed as mechanical, body and glass repair in Porter County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.
Population and households in Porter County
- Population, 2025 estimate
- 176,049+1.6% since 2020
- Households
- 68,639
- Median age
- 41.5
- Homes lived in by their owners
- 78%
- Vehicles per household
- 1.9
- Land area
- 418 sq. mi.
- People per square mile
- 418
- Median household income
- $87,972+23.6% vs. 2015–2019, before inflation
- Average household income
- $110,512
- Median home value
- $281,500
- Jobs located here
- 65,198
- Daytime population
- 160,058Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Porter County?
These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the auto repair shops on map listings by name and distance.
Or open the report at the center of Porter County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardAuto repair shops across Indiana
Every Indiana market ranked →The highest-scoring counties in Indiana for auto repair shops, numbered among those based in Indiana, with Porter County marked.
Top counties in Indiana
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Hamilton County, IN | 94 | 156 | 11.4 | $1.1M | +10.9% | #7 of 2,378 |
| 2Newton County, IN | 86 | 7 | 12.2 | $971K | +2.9% | #38 of 2,378 |
| 3Hancock County, IN | 86 | 52 | 15.5 | $799K | +13.5% | #41 of 2,378 |
| 4Spencer County, IN | 86 | 14 | 17.3 | $756K | +1.2% | #42 of 2,378 |
| 5Parke County, IN | 82 | 7 | 11.4 | $941K | +3.0% | #76 of 2,378 |
| 6Washington County, IN | 82 | 19 | 16.9 | $746K | +0.5% | #79 of 2,378 |
| 7Boone County, IN | 80 | 64 | 22.3 | $555K | +13.5% | #125 of 2,378 |
| 8Jennings County, IN | 79 | 13 | 11.9 | $1M | +0.1% | #127 of 2,378 |
| 9Harrison County, IN | 79 | 30 | 19.4 | $662K | +1.9% | #132 of 2,378 |
| 10Warrick County, IN | 78 | 47 | 18.7 | $658K | +4.4% | #152 of 2,378 |
| 24Porter County, IN | 69 | 128 | 18.6 | $607K | +1.6% | #369 of 2,378 |
Other business types in Porter County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many auto repair shops are in Porter County, IN?
Porter County has 128 auto repair shops on map listings as of September 2026. 28 of them (22%) are chain locations. The listings count general, specialty, body and glass repair shops. Official counts show 68 businesses with payroll classed as mechanical, body and glass repair in 2023, down 2.9% from 2019. Another 79 one-person businesses have no payroll, by official counts.
How much do households in Porter County, IN spend on vehicle maintenance and repairs?
About $77.6M a year, or $1,131 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). Spread across the 128 auto repair shops on map listings, it comes to $607K per shop. The spending figure covers all vehicle maintenance and repairs, not only auto repair shops. It is estimated from the incomes of the 68,639 households in Porter County and national spending patterns by income.
How does Porter County, IN compare with the U.S. for auto repair shops?
Porter County has 18.6 auto repair shops per 10,000 households, 13% below the U.S. rate of 21.5. Spending per shop is $607K, 36% above the U.S. figure of $445K. At the national ratio of auto repair shops to household spending, Porter County would have about 175, against 128 on map listings. There is one business with payroll in the industry for every 1,009 households, against one for every 955 across the U.S. The official count fell 2.9% from 2019 to 2023, against +2.1% for the U.S.
How fast is Porter County, IN growing?
Population estimates put Porter County at 176,049 people in 2025, up 1.6% since 2020, slower than the U.S. (+3.1%). It has 68,639 households. The median household income in Porter County is $87,972 a year, 9% above the U.S. median of $80,734. That rose 23.6% from the 2015–2019 survey, before inflation.
What is the Groundwork market score?
The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Porter County scores 69 for auto repair shops (upper middle), #369 of 2,378 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Porter County. It maps the auto repair shops on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.
How the score works · Top markets for auto repair shops · All 56 business types in Porter County
Screening a site or an acquisition in Porter County?
A site report maps the competitors on map listings near an address and sizes the households and spending around it.
The button opens the report at the center of Porter County. Signed out, you see a blurred preview; on an account, each report is one action.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are estimates for research only. Not investment or real estate advice.