Auto · County · Illinois
Gas stations in Monroe County, IL
How Monroe County, IL compares with other counties and the U.S. for gas stations: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 71 out of 100: Upper middle
Ranked #360 of 2,358 scored counties
#6 of 82 scored counties in Illinois
- Listings
- 9
- 8 chain locations (89%)
- Official establishments
- 13
- Businesses with payroll, 2023
- Household spending a year
- $42.3M
- On gasoline and other fuels · $3,055 a household
- Spending per listing
- $4.7M
- 97% above the U.S.
- Listings per 10k households
- 6.5
- 40% below the U.S.
- Population, 2025
- 34,840
- −0.3% since 2020
See the gas stations around any address in Monroe 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 Monroe 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 9 gas stations in Monroe County. Of those, 8 are chain locations, or 89%, against 84% across the U.S. That comes to 6.5 for every 10,000 households, 40% below the U.S. rate of 10.9.
Household spending on gasoline and other fuels in Monroe County comes to about $42.3M a year: $3,055 per household, 18% above the U.S. average. Spread across 9 gas stations, that is $4.7M per station, 97% above the U.S. figure of $2.4M.
Official counts show 13 businesses with payroll classed as gasoline stations in Monroe County in 2023. That is one for every 1,065 households, against one for every 1,184 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $20K has gone to businesses classed as gasoline stations in Monroe County.
Population estimates put the population change in Monroe County from 2020 to 2025 at −0.3%, against +3.1% for the U.S. The Groundwork market score for gas stations in Monroe County is 71 (upper middle), #360 of 2,358 scored counties and #6 of 82 scored counties in Illinois. That puts it in the top quarter of counties.
How Monroe 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.
| Measure | Monroe County | Illinois | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.5 | 9.2 | 10.9 |
| Spending per listing | $4.7M | $2.6M | $2.4M |
| Households per official establishment | 1,065 | 1,319 | 1,184 |
| Official establishment growth, 2019–2023 | n/a | +0.4% | −3.1% |
| Population growth, 2020–2025 | −0.3% | −0.6% | +3.1% |
| Spending per household on gasoline and other fuels | $3,055 | $2,409 | $2,595 |
| Median household income | $102,880 | $83,390 | $80,734 |
| Groundwork market score | 71 | 43 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 13 → 13
- Employees, 2023
- 100
- Annual payroll, 2023
- $2.9M
- One-person businesses, 2023
- 0Businesses with no payroll
- Map listings, September 2026
- 98 chain locations
- Listings at the U.S. rate for this spending
- 18The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $20K
SBA-backed loans to businesses classed as gasoline stations in Monroe 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 Monroe County
- Population, 2025 estimate
- 34,840−0.3% since 2020
- Households
- 13,851
- Median age
- 43.5
- Homes lived in by their owners
- 85%
- Vehicles per household
- 2.1
- Land area
- 385 sq. mi.
- People per square mile
- 91
- Median household income
- $102,880+20.0% vs. 2015–2019, before inflation
- Average household income
- $123,402
- Median home value
- $282,100
- Jobs located here
- 9,117
- Daytime population
- 25,946Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Monroe 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 Monroe County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardGas stations across Illinois
Every Illinois market ranked →The highest-scoring counties in Illinois for gas stations, numbered among those based in Illinois, with Monroe County marked.
Top counties in Illinois
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Kendall County, IL | 90 | 35 | 7.7 | $4.1M | +9.9% | #26 of 2,358 |
| 2McHenry County, IL | 80 | 97 | 8.2 | $3.7M | +2.5% | #148 of 2,358 |
| 3Will County, IL | 75 | 249 | 10.2 | $3M | +2.2% | #260 of 2,358 |
| 4Piatt County, IL | 74 | 6 | 8.7 | $3.7M | +0.6% | #288 of 2,358 |
| 5Kane County, IL | 74 | 183 | 9.9 | $3M | +1.8% | #296 of 2,358 |
| 6Monroe County, IL | 71 | 9 | 6.5 | $4.7M | −0.3% | #360 of 2,358 |
| 7Champaign County, IL | 69 | 45 | 5.3 | $4.2M | +1.8% | #420 of 2,358 |
| 8Woodford County, IL | 64 | 11 | 7.5 | $4M | −0.8% | #582 of 2,358 |
| 9DuPage County, IL | 64 | 321 | 9.2 | $2.9M | +0.3% | #591 of 2,358 |
| 10Lake County, IL | 62 | 299 | 11.6 | $2.4M | +0.8% | #667 of 2,358 |
Other business types in Monroe 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 gas stations are in Monroe County, IL?
Monroe County has 9 gas stations on map listings as of September 2026. 8 of them (89%) are chain locations. The listings count gas stations. Official counts show 13 businesses with payroll classed as gasoline stations in 2023.
How much do households in Monroe County, IL spend on gasoline and other fuels?
About $42.3M a year, or $3,055 per household. That is 18% above the U.S. average (an index of 118, where 100 is the U.S. average). Spread across the 9 gas stations on map listings, it comes to $4.7M per station. It is estimated from the incomes of the 13,851 households in Monroe County and national spending patterns by income.
How does Monroe County, IL compare with the U.S. for gas stations?
Monroe County has 6.5 gas stations per 10,000 households, 40% below the U.S. rate of 10.9. Spending per station is $4.7M, 97% above the U.S. figure of $2.4M. At the national ratio of gas stations to household spending, Monroe County would have about 18, against 9 on map listings. There is one business with payroll in the industry for every 1,065 households, against one for every 1,184 across the U.S.
How fast is Monroe County, IL growing?
Population estimates put Monroe County at 34,840 people in 2025, down 0.3% since 2020, against +3.1% for the U.S. It has 13,851 households. The median household income in Monroe County is $102,880 a year, 27% above the U.S. median of $80,734. That rose 20.0% 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. Monroe County scores 71 for gas stations (upper middle), #360 of 2,358 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Monroe 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 Monroe County
Screening a site or an acquisition in Monroe 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 Monroe 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.