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Gas stations in Johnson County, IL

How Johnson 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 27 out of 100: Lower middle

Ranked #2,058 of 2,358 scored counties
#75 of 82 scored counties in Illinois

Listings
10
6 chain locations (60%)
Official establishments
8
Businesses with payroll, 2023
Household spending a year
$12.2M
On gasoline and other fuels · $2,974 a household
Spending per listing
$1.2M
49% below the U.S.
Listings per 10k households
24.4
2.2 times the U.S.
Population, 2025
13,363
+0.4% since 2020

See the gas stations around any address in Johnson 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 Johnson 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

Johnson County scores 27 (lower middle) on the Groundwork market score for gas stations, ranking #2,058 of 2,358 scored counties and #75 of 82 scored counties in Illinois. That puts it in the bottom quarter of counties.

As of September 2026, map listings count 10 gas stations in Johnson County. 6 of them (60%) are chain locations, against 84% across the U.S. That comes to 24.4 for every 10,000 households, 2.2 times the U.S. rate of 10.9.

Household spending on gasoline and other fuels in Johnson County comes to about $12.2M a year: $2,974 per household, 15% above the U.S. average. That is about $1.2M of household spending for each station on map listings, 49% below the U.S. figure of $2.4M.

The official count of businesses with payroll classed as gasoline stations in Johnson County was 8 in 2023. That is one for every 513 households, against one for every 1,184 across the U.S. Population estimates put the population change in Johnson County from 2020 to 2025 at +0.4%, slower than the U.S. (+3.1%).

How Johnson 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 Johnson County, IL compared with Illinois and the U.S.
MeasureJohnson CountyIllinoisU.S.
Listings per 10k households24.49.210.9
Spending per listing$1.2M$2.6M$2.4M
Households per official establishment5131,3191,184
Official establishment growth, 2019–2023n/a+0.4%−3.1%
Population growth, 2020–2025+0.4%−0.6%+3.1%
Spending per household on gasoline and other fuels$2,974$2,409$2,595
Median household income$62,528$83,390$80,734
Groundwork market score2743

Official counts and lending

Businesses

Official establishments, 2019 to 2023
8 → 8
Employees, 2023
63
Annual payroll, 2023
$2M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
106 chain locations
Listings at the U.S. rate for this spending
5The 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 Johnson 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 Johnson County

Population, 2025 estimate
13,363+0.4% since 2020
Households
4,101
Median age
41.4
Homes lived in by their owners
82%
Vehicles per household
2.0
Land area
344 sq. mi.
People per square mile
39
Median household income
$62,528+18.5% vs. 2015–2019, before inflation
Average household income
$78,713
Median home value
$160,500
Jobs located here
2,158
Daytime population
10,999Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Johnson 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 Johnson County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Gas stations across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for gas stations, numbered among those based in Illinois, with Johnson 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
75Johnson County, IL271024.4$1.2M+0.4%#2,058 of 2,358

Other business types in Johnson County

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

Questions

How many gas stations are in Johnson County, IL?

Johnson County has 10 gas stations on map listings as of September 2026. 6 of them (60%) are chain locations. The listings count gas stations. Official counts show 8 businesses with payroll classed as gasoline stations in 2023.

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

About $12.2M a year, or $2,974 per household. That is 15% above the U.S. average (an index of 115, where 100 is the U.S. average). Spread across the 10 gas stations on map listings, it comes to $1.2M per station. It is estimated from the incomes of the 4,101 households in Johnson County and national spending patterns by income.

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

Johnson County has 24.4 gas stations per 10,000 households, 2.2 times the U.S. rate of 10.9. Spending per station is $1.2M, 49% below the U.S. figure of $2.4M. At the national ratio of gas stations to household spending, Johnson County would have about 5, against 10 on map listings. There is one business with payroll in the industry for every 513 households, against one for every 1,184 across the U.S.

How fast is Johnson County, IL growing?

Population estimates put Johnson County at 13,363 people in 2025, up 0.4% since 2020, slower than the U.S. (+3.1%). It has 4,101 households. The median household income in Johnson County is $62,528 a year, 23% below the U.S. median of $80,734. That rose 18.5% 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. Johnson County scores 27 for gas stations (lower middle), #2,058 of 2,358 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Johnson 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 Johnson 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.