Groundwork

Auto · County · Illinois

Gas stations in McHenry County, IL

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

Groundwork market score · out of 100

Score 80 out of 100: High

Ranked #148 of 2,358 scored counties
#2 of 82 scored counties in Illinois

Listings
97
91 chain locations (94%)
Official establishments
75
−5.1% since 2019
Household spending a year
$354.6M
On gasoline and other fuels · $3,016 a household
Spending per listing
$3.7M
53% above the U.S.
Listings per 10k households
8.2
25% below the U.S.
Population, 2025
317,751
+2.5% since 2020

See the gas stations around any address in McHenry 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 McHenry County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

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

What this means

For gas stations, McHenry County has a Groundwork market score of 80 (high): #148 of 2,358 scored counties and #2 of 82 scored counties in Illinois. That puts it in the top 10% of counties for gas stations.

As of September 2026, map listings count 97 gas stations in McHenry County. Chain locations make up 94% of them, against 84% across the U.S. That comes to 8.2 for every 10,000 households, 25% below the U.S. rate of 10.9.

Household spending on gasoline and other fuels in McHenry County comes to about $354.6M a year: $3,016 per household, 16% above the U.S. average. That works out to $3.7M per station, 53% above the U.S. figure of $2.4M.

Official counts show 75 businesses with payroll classed as gasoline stations in McHenry County in 2023, down 5.1% from 2019. That is one for every 1,568 households, against one for every 1,184 across the U.S. Since fiscal 2022, 8 SBA-backed loans worth $9.9M have gone to businesses classed as gasoline stations in McHenry County. Population estimates put the population change in McHenry County from 2020 to 2025 at +2.5%, slower than the U.S. (+3.1%).

How McHenry 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 McHenry County, IL compared with Illinois and the U.S.
MeasureMcHenry CountyIllinoisU.S.
Listings per 10k households8.29.210.9
Spending per listing$3.7M$2.6M$2.4M
Households per official establishment1,5681,3191,184
Official establishment growth, 2019–2023−5.1%+0.4%−3.1%
Population growth, 2020–2025+2.5%−0.6%+3.1%
Spending per household on gasoline and other fuels$3,016$2,409$2,595
Median household income$104,802$83,390$80,734
Groundwork market score8043

Official counts and lending

Businesses

Official establishments, 2019 to 2023
79 → 75−5.1% over the period
Employees, 2023
518
Annual payroll, 2023
$15.4M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
9791 chain locations
Listings at the U.S. rate for this spending
149The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
8
Amount
$9.9M

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

Population, 2025 estimate
317,751+2.5% since 2020
Households
117,594
Median age
41.3
Homes lived in by their owners
83%
Vehicles per household
2.0
Land area
603 sq. mi.
People per square mile
518
Median household income
$104,802+20.7% vs. 2015–2019, before inflation
Average household income
$130,520
Median home value
$308,100
Jobs located here
93,473
Daytime population
243,217Residents who don’t work, plus everyone whose job is here

Looking at a specific site in McHenry 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 McHenry 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 McHenry 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

Other business types in McHenry County

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

Questions

How many gas stations are in McHenry County, IL?

McHenry County has 97 gas stations on map listings as of September 2026. 91 of them (94%) are chain locations. The listings count gas stations. Official counts show 75 businesses with payroll classed as gasoline stations in 2023, down 5.1% from 2019.

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

About $354.6M a year, or $3,016 per household. That is 16% above the U.S. average (an index of 116, where 100 is the U.S. average). Spread across the 97 gas stations on map listings, it comes to $3.7M per station. It is estimated from the incomes of the 117,594 households in McHenry County and national spending patterns by income.

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

McHenry County has 8.2 gas stations per 10,000 households, 25% below the U.S. rate of 10.9. Spending per station is $3.7M, 53% above the U.S. figure of $2.4M. At the national ratio of gas stations to household spending, McHenry County would have about 149, against 97 on map listings. There is one business with payroll in the industry for every 1,568 households, against one for every 1,184 across the U.S. The official count fell 5.1% from 2019 to 2023, against −3.1% for the U.S.

How fast is McHenry County, IL growing?

Population estimates put McHenry County at 317,751 people in 2025, up 2.5% since 2020, slower than the U.S. (+3.1%). It has 117,594 households. The median household income in McHenry County is $104,802 a year, 30% above the U.S. median of $80,734. That rose 20.7% 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. McHenry County scores 80 for gas stations (high), #148 of 2,358 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in McHenry 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 McHenry 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.