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Gas stations in Marion County, IA

How Marion County, IA 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 66 out of 100: Upper middle

Ranked #518 of 2,358 scored counties
#9 of 64 scored counties in Iowa

Listings
16
12 chain locations (75%)
Official establishments
17
Businesses with payroll, 2023
Household spending a year
$42.7M
On gasoline and other fuels · $3,204 a household
Spending per listing
$2.7M
12% above the U.S.
Listings per 10k households
12.0
10% above the U.S.
Population, 2025
34,192
+2.3% since 2020

See the gas stations around any address in Marion 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 Marion 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 $3,204 per household (23% above the U.S. average), households in Marion County spend about $42.7M a year on gasoline and other fuels. That is about $2.7M of household spending for each station on map listings, 12% above the U.S. figure of $2.4M.

There are 16 gas stations on map listings in Marion County as of September 2026. Chain locations make up 75% of them, against 84% across the U.S. That is 12.0 per 10,000 households, 10% above the U.S. rate of 10.9.

The official count of businesses with payroll classed as gasoline stations in Marion County was 17 in 2023. That is one for every 783 households, against one for every 1,184 across the U.S.

Population estimates show Marion County grew 2.3% from 2020 to 2025, slower than the U.S. (+3.1%). For gas stations, Marion County has a Groundwork market score of 66 (upper middle): #518 of 2,358 scored counties and #9 of 64 scored counties in Iowa. That puts it in the top quarter of counties.

How Marion 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 Marion County, IA compared with Iowa and the U.S.
MeasureMarion CountyIowaU.S.
Listings per 10k households12.010.410.9
Spending per listing$2.7M$2.8M$2.4M
Households per official establishment7837831,184
Official establishment growth, 2019–2023n/a−2.8%−3.1%
Population growth, 2020–2025+2.3%+1.5%+3.1%
Spending per household on gasoline and other fuels$3,204$2,867$2,595
Median household income$78,680$75,059$80,734
Groundwork market score6647

Official counts and lending

Businesses

Official establishments, 2019 to 2023
17 → 17
Employees, 2023
195
Annual payroll, 2023
$4.8M
One-person businesses, 2023
0Businesses with no payroll
Map listings, September 2026
1612 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
0
Amount
$0

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

Population, 2025 estimate
34,192+2.3% since 2020
Households
13,316
Median age
40.1
Homes lived in by their owners
78%
Vehicles per household
2.2
Land area
555 sq. mi.
People per square mile
61
Median household income
$78,680+28.9% vs. 2015–2019, before inflation
Average household income
$100,547
Median home value
$233,000
Jobs located here
19,073
Daytime population
36,093Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Marion 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 Marion 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 Iowa

Every Iowa market ranked →

The highest-scoring counties in Iowa for gas stations, numbered among those based in Iowa, with Marion 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

Other business types in Marion County

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

Questions

How many gas stations are in Marion County, IA?

As of September 2026, map listings count 16 gas stations in Marion County. 12 of them (75%) are chain locations. The listings count gas stations. Official counts show 17 businesses with payroll classed as gasoline stations in 2023.

How much do households in Marion County, IA spend on gasoline and other fuels?

About $42.7M a year, or $3,204 per household. That is 23% above the U.S. average (an index of 123, where 100 is the U.S. average). Spread across the 16 gas stations on map listings, it comes to $2.7M per station. It is estimated from the incomes of the 13,316 households in Marion County and national spending patterns by income.

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

Marion County has 12.0 gas stations per 10,000 households, 10% above the U.S. rate of 10.9. Spending per station is $2.7M, 12% above the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Marion County would have about 18, against 16 on map listings. There is one business with payroll in the industry for every 783 households, against one for every 1,184 across the U.S.

How fast is Marion County, IA growing?

Population estimates put Marion County at 34,192 people in 2025, up 2.3% since 2020, slower than the U.S. (+3.1%). It has 13,316 households. Median household income in Marion County is $78,680, 3% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 28.9%, 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. Marion County scores 66 for gas stations (upper middle), #518 of 2,358 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Marion 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 Marion 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.