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Gas stations in Marion County, IL

Competitor counts, household spending and official business counts for gas stations in Marion County, IL, set against other counties and the U.S.

Groundwork market score · out of 100

Score 41 out of 100: Lower middle

Ranked #1,537 of 2,358 scored counties
#50 of 82 scored counties in Illinois

Listings
19
15 chain locations (79%)
Official establishments
17
Businesses with payroll, 2023
Household spending a year
$40.4M
On gasoline and other fuels · $2,606 a household
Spending per listing
$2.1M
11% below the U.S.
Listings per 10k households
12.2
12% above the U.S.
Population, 2025
36,382
−3.4% since 2020

See the gas stations around any address in Marion County

The site report maps the gas stations 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 Marion County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Household spending on gasoline and other fuels in Marion County comes to about $40.4M a year: $2,606 per household, in line with the U.S. average. Spread across 19 gas stations, that is $2.1M per station, 11% below the U.S. figure of $2.4M.

Marion County has 19 gas stations on map listings as of September 2026. 15 of them (79%) are chain locations, against 84% across the U.S. Per 10,000 households, that is 12.2, 12% above the U.S. rate of 10.9.

Official counts show 17 businesses with payroll classed as gasoline stations in Marion County in 2023. That is one for every 912 households, against one for every 1,184 across the U.S.

Population estimates put the population change in Marion County from 2020 to 2025 at −3.4%, against +3.1% for the U.S. For gas stations, Marion County has a Groundwork market score of 41 (lower middle): #1,537 of 2,358 scored counties and #50 of 82 scored counties in Illinois.

How Marion County compares

The same measures for Illinois and the whole U.S. Spending per listing divides a year of household spending on all gasoline and other fuels by the gas stations counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Gas stations in Marion County, IL compared with Illinois and the U.S.
MeasureMarion CountyIllinoisU.S.
Listings per 10k households12.29.210.9
Spending per listing$2.1M$2.6M$2.4M
Households per official establishment9121,3191,184
Official establishment growth, 2019–2023n/a+0.4%−3.1%
Population growth, 2020–2025−3.4%−0.6%+3.1%
Spending per household on gasoline and other fuels$2,606$2,409$2,595
Median household income$61,240$83,390$80,734
Groundwork market score4143

Official counts and lending

Businesses

Official establishments, 2019 to 2023
18 → 17
Employees, 2023
201
Annual payroll, 2023
$5M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
1915 chain locations
Listings at the U.S. rate for this spending
17The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as gasoline stations in Marion 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 Marion County

Population, 2025 estimate
36,382−3.4% since 2020
Households
15,512
Median age
41.1
Homes lived in by their owners
75%
Vehicles per household
1.8
Land area
573 sq. mi.
People per square mile
65
Median household income
$61,240+28.9% vs. 2015–2019, before inflation
Average household income
$77,168
Median home value
$103,000
Jobs located here
13,082
Daytime population
33,907Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marion 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 gas stations on map listings by name and distance.

Or open the report at the center of Marion County. Signed out, you see a blurred preview; on an account, each report is one action.

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Gas stations across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for gas stations, numbered among those based in Illinois, with Marion County marked.

Top counties in Illinois

Counties in Illinois ranked for gas stations by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Kendall County, IL90357.7$4.1M+9.9%#26 of 2,358
2McHenry County, IL80978.2$3.7M+2.5%#148 of 2,358
3Will County, IL7524910.2$3M+2.2%#260 of 2,358
4Piatt County, IL7468.7$3.7M+0.6%#288 of 2,358
5Kane County, IL741839.9$3M+1.8%#296 of 2,358
6Monroe County, IL7196.5$4.7M−0.3%#360 of 2,358
7Champaign County, IL69455.3$4.2M+1.8%#420 of 2,358
8Woodford County, IL64117.5$4M−0.8%#582 of 2,358
9DuPage County, IL643219.2$2.9M+0.3%#591 of 2,358
10Lake County, IL6229911.6$2.4M+0.8%#667 of 2,358
50Marion County, IL411912.2$2.1M−3.4%#1,537 of 2,358

Other business types in Marion County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many gas stations are in Marion County, IL?

Map listings as of September 2026 show 19 gas stations in Marion County. 15 of them (79%) are chain locations. The listings count gas stations. Official counts show 17 businesses with payroll classed as gasoline stations in 2023.

How much do households in Marion County, IL spend on gasoline and other fuels?

About $40.4M a year, or $2,606 per household. That is in line with the U.S. average (an index of 100, where 100 is the U.S. average). Spread across the 19 gas stations on map listings, it comes to $2.1M per station. It is estimated from the incomes of the 15,512 households in Marion County and national spending patterns by income.

How does Marion County, IL compare with the U.S. for gas stations?

Marion County has 12.2 gas stations per 10,000 households, 12% above the U.S. rate of 10.9. Spending per station is $2.1M, 11% below the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Marion County would have about 17, against 19 on map listings. There is one business with payroll in the industry for every 912 households, against one for every 1,184 across the U.S.

How fast is Marion County, IL growing?

Population estimates put Marion County at 36,382 people in 2025, down 3.4% since 2020, against +3.1% for the U.S. It has 15,512 households. Median household income in Marion County is $61,240, 24% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 28.9%, 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. Marion County scores 41 for gas stations (lower middle), #1,537 of 2,358 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Marion County. It maps the gas stations 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 gas stations · All 56 business types in Marion County

Screening a site or an acquisition in Marion 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 Marion 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.