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Gas stations in Hamilton County, IA

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

Groundwork market score · out of 100

Score 43 out of 100: Lower middle

Ranked #1,466 of 2,358 scored counties
#39 of 64 scored counties in Iowa

Listings
10
9 chain locations (90%)
Official establishments
13
Businesses with payroll, 2023
Household spending a year
$20.3M
On gasoline and other fuels · $3,162 a household
Spending per listing
$2M
15% below the U.S.
Listings per 10k households
15.5
42% above the U.S.
Population, 2025
14,944
−0.5% since 2020

See the gas stations around any address in Hamilton 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 Hamilton 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

At $3,162 per household (22% above the U.S. average), households in Hamilton County spend about $20.3M a year on gasoline and other fuels. That works out to $2M per station, 15% below the U.S. figure of $2.4M.

Hamilton County has 10 gas stations on map listings as of September 2026. 9 of them (90%) are chain locations, against 84% across the U.S. That is 15.5 per 10,000 households, 42% above the U.S. rate of 10.9.

The official count of businesses with payroll classed as gasoline stations in Hamilton County was 13 in 2023. That is one for every 495 households, against one for every 1,184 across the U.S.

Between 2020 and 2025, the population of Hamilton County declined 0.5%, against +3.1% for the U.S. For gas stations, Hamilton County has a Groundwork market score of 43 (lower middle): #1,466 of 2,358 scored counties and #39 of 64 scored counties in Iowa.

How Hamilton County compares

The same measures for Iowa 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 Hamilton County, IA compared with Iowa and the U.S.
MeasureHamilton CountyIowaU.S.
Listings per 10k households15.510.410.9
Spending per listing$2M$2.8M$2.4M
Households per official establishment4957831,184
Official establishment growth, 2019–2023n/a−2.8%−3.1%
Population growth, 2020–2025−0.5%+1.5%+3.1%
Spending per household on gasoline and other fuels$3,162$2,867$2,595
Median household income$72,432$75,059$80,734
Groundwork market score4347

Official counts and lending

Businesses

Official establishments, 2019 to 2023
11 → 13
Employees, 2023
259
Annual payroll, 2023
$7.8M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
109 chain locations
Listings at the U.S. rate for this spending
9The 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 Hamilton 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 Hamilton County

Population, 2025 estimate
14,944−0.5% since 2020
Households
6,434
Median age
43.1
Homes lived in by their owners
73%
Vehicles per household
2.1
Land area
577 sq. mi.
People per square mile
26
Median household income
$72,432+18.9% vs. 2015–2019, before inflation
Average household income
$92,073
Median home value
$156,400
Jobs located here
5,890
Daytime population
13,997Residents who don’t work, plus everyone whose job is here

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

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Gas stations across Iowa

Every Iowa market ranked →

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

Top counties in Iowa

Counties in Iowa ranked for gas stations by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Dallas County, IA82204.7$6.1M+17.8%#105 of 2,358
2Warren County, IA81157.3$4.3M+9.0%#126 of 2,358
3Madison County, IA7669.0$3.6M+3.8%#232 of 2,358
4Boone County, IA7487.3$4.3M+0.4%#281 of 2,358
5Johnson County, IA72446.9$3.7M+4.6%#334 of 2,358
6Polk County, IA71924.5$6M+4.8%#358 of 2,358
7Story County, IA71307.7$3.5M+2.7%#362 of 2,358
8Marshall County, IA67117.1$4.3M−0.5%#475 of 2,358
9Marion County, IA661612.0$2.7M+2.3%#518 of 2,358
10Plymouth County, IA6387.8$4.1M0.0%#609 of 2,358
39Hamilton County, IA431015.5$2M−0.5%#1,466 of 2,358

Other business types in Hamilton County

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

Questions

How many gas stations are in Hamilton County, IA?

Map listings as of September 2026 show 10 gas stations in Hamilton County. 9 of them (90%) 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 Hamilton County, IA spend on gasoline and other fuels?

About $20.3M a year, or $3,162 per household. That is 22% above the U.S. average (an index of 122, where 100 is the U.S. average). Spread across the 10 gas stations on map listings, it comes to $2M per station. It is estimated from the incomes of the 6,434 households in Hamilton County and national spending patterns by income.

How does Hamilton County, IA compare with the U.S. for gas stations?

Hamilton County has 15.5 gas stations per 10,000 households, 42% above the U.S. rate of 10.9. Spending per station is $2M, 15% below the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Hamilton County would have about 9, against 10 on map listings. There is one business with payroll in the industry for every 495 households, against one for every 1,184 across the U.S.

How fast is Hamilton County, IA growing?

Population estimates put Hamilton County at 14,944 people in 2025, down 0.5% since 2020, against +3.1% for the U.S. It has 6,434 households. Median household income in Hamilton County is $72,432, 10% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 18.9%, 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. Hamilton County scores 43 for gas stations (lower middle), #1,466 of 2,358 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Hamilton 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 Hamilton 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.