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Gas stations in Mason County, IL

How Mason 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 43 out of 100: Lower middle

Ranked #1,454 of 2,358 scored counties
#42 of 82 scored counties in Illinois

Listings
5
5 chain locations (100%)
Official establishments
11
Businesses with payroll, 2023
Household spending a year
$16.3M
On gasoline and other fuels · $2,820 a household
Spending per listing
$3.3M
37% above the U.S.
Listings per 10k households
8.6
21% below the U.S.
Population, 2025
12,411
−4.9% since 2020

See the gas stations around any address in Mason 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 Mason 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 Mason County comes to about $16.3M a year: $2,820 per household, 9% above the U.S. average. Spread across 5 gas stations, that is $3.3M per station, 37% above the U.S. figure of $2.4M.

Mason County has 5 gas stations on map listings as of September 2026. All of them are chain locations, against 84% across the U.S. That comes to 8.6 for every 10,000 households, 21% below the U.S. rate of 10.9.

In 2023, official counts showed 11 businesses with payroll in Mason County classed as gasoline stations. That is one for every 526 households, against one for every 1,184 across the U.S.

Between 2020 and 2025, the population of Mason County declined 4.9%, against +3.1% for the U.S. The Groundwork market score for gas stations in Mason County is 43 (lower middle), #1,454 of 2,358 scored counties and #42 of 82 scored counties in Illinois.

How Mason 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 Mason County, IL compared with Illinois and the U.S.
MeasureMason CountyIllinoisU.S.
Listings per 10k households8.69.210.9
Spending per listing$3.3M$2.6M$2.4M
Households per official establishment5261,3191,184
Official establishment growth, 2019–2023n/a+0.4%−3.1%
Population growth, 2020–2025−4.9%−0.6%+3.1%
Spending per household on gasoline and other fuels$2,820$2,409$2,595
Median household income$62,845$83,390$80,734
Groundwork market score4343

Official counts and lending

Businesses

Official establishments, 2019 to 2023
10 → 11
Employees, 2023
117
Annual payroll, 2023
$2.8M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
55 chain locations
Listings at the U.S. rate for this spending
7The 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 Mason 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 Mason County

Population, 2025 estimate
12,411−4.9% since 2020
Households
5,781
Median age
44.9
Homes lived in by their owners
82%
Vehicles per household
2.0
Land area
539 sq. mi.
People per square mile
24
Median household income
$62,845+29.8% vs. 2015–2019, before inflation
Average household income
$78,083
Median home value
$103,400
Jobs located here
2,660
Daytime population
11,149Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Mason 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 Mason 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 Mason 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
42Mason County, IL4358.6$3.3M−4.9%#1,454 of 2,358

Other business types in Mason County

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

Questions

How many gas stations are in Mason County, IL?

Map listings as of September 2026 show 5 gas stations in Mason County. 5 of them (100%) are chain locations. The listings count gas stations. Official counts show 11 businesses with payroll classed as gasoline stations in 2023.

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

About $16.3M a year, or $2,820 per household. That is 9% above the U.S. average (an index of 109, where 100 is the U.S. average). Spread across the 5 gas stations on map listings, it comes to $3.3M per station. It is estimated from the incomes of the 5,781 households in Mason County and national spending patterns by income.

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

Mason County has 8.6 gas stations per 10,000 households, 21% below the U.S. rate of 10.9. Spending per station is $3.3M, 37% above the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Mason County would have about 7, against 5 on map listings. There is one business with payroll in the industry for every 526 households, against one for every 1,184 across the U.S.

How fast is Mason County, IL growing?

Population estimates put Mason County at 12,411 people in 2025, down 4.9% since 2020, against +3.1% for the U.S. It has 5,781 households. Median household income in Mason County is $62,845, 22% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.8%, 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. Mason County scores 43 for gas stations (lower middle), #1,454 of 2,358 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Mason 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 Mason County

Screening a site or an acquisition in Mason 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 Mason 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.