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Gas stations in Plymouth County, IA

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

Groundwork market score · out of 100

Score 63 out of 100: Upper middle

Ranked #609 of 2,358 scored counties
#10 of 64 scored counties in Iowa

Listings
8
5 chain locations (63%)
Official establishments
16
Businesses with payroll, 2023
Household spending a year
$32.7M
On gasoline and other fuels · $3,174 a household
Spending per listing
$4.1M
72% above the U.S.
Listings per 10k households
7.8
28% below the U.S.
Population, 2025
25,697
0.0% since 2020

See the gas stations around any address in Plymouth 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 Plymouth 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 Plymouth County comes to about $32.7M a year: $3,174 per household, 22% above the U.S. average. That is about $4.1M of household spending for each station on map listings, 72% above the U.S. figure of $2.4M.

Plymouth County has 8 gas stations on map listings as of September 2026. Of those, 5 are chain locations, or 63%, against 84% across the U.S. That comes to 7.8 for every 10,000 households, 28% below the U.S. rate of 10.9.

The official count of businesses with payroll classed as gasoline stations in Plymouth County was 16 in 2023. That is one for every 645 households, against one for every 1,184 across the U.S. Official counts list 3 one-person businesses without payroll.

Population estimates show Plymouth County held about level from 2020 to 2025, against +3.1% for the U.S. For gas stations, Plymouth County has a Groundwork market score of 63 (upper middle): #609 of 2,358 scored counties and #10 of 64 scored counties in Iowa.

How Plymouth 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 Plymouth County, IA compared with Iowa and the U.S.
MeasurePlymouth CountyIowaU.S.
Listings per 10k households7.810.410.9
Spending per listing$4.1M$2.8M$2.4M
Households per official establishment6457831,184
Official establishment growth, 2019–2023n/a−2.8%−3.1%
Population growth, 2020–20250.0%+1.5%+3.1%
Spending per household on gasoline and other fuels$3,174$2,867$2,595
Median household income$83,251$75,059$80,734
Groundwork market score6347

Official counts and lending

Businesses

Official establishments, 2019 to 2023
16 → 16
Employees, 2023
203
Annual payroll, 2023
$6.1M
One-person businesses, 2023
3Businesses with no payroll
Map listings, September 2026
85 chain locations
Listings at the U.S. rate for this spending
14The 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 Plymouth 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 Plymouth County

Population, 2025 estimate
25,6970.0% since 2020
Households
10,313
Median age
41.9
Homes lived in by their owners
74%
Vehicles per household
2.2
Land area
863 sq. mi.
People per square mile
30
Median household income
$83,251+23.7% vs. 2015–2019, before inflation
Average household income
$101,116
Median home value
$228,900
Jobs located here
12,334
Daytime population
23,763Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Plymouth 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 Plymouth 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 Plymouth 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 Plymouth County

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

Questions

How many gas stations are in Plymouth County, IA?

Map listings as of September 2026 show 8 gas stations in Plymouth County. 5 of them (63%) are chain locations. The listings count gas stations. Official counts show 16 businesses with payroll classed as gasoline stations in 2023. Official counts also show 3 one-person businesses without payroll.

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

About $32.7M a year, or $3,174 per household. That is 22% above the U.S. average (an index of 122, where 100 is the U.S. average). Spread across the 8 gas stations on map listings, it comes to $4.1M per station. It is estimated from the incomes of the 10,313 households in Plymouth County and national spending patterns by income.

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

Plymouth County has 7.8 gas stations per 10,000 households, 28% below the U.S. rate of 10.9. Spending per station is $4.1M, 72% above the U.S. figure of $2.4M. At the U.S. ratio of gas stations to household spending, Plymouth County would have about 14, against 8 on map listings. There is one business with payroll in the industry for every 645 households, against one for every 1,184 across the U.S.

How fast is Plymouth County, IA growing?

Population estimates put Plymouth County at 25,697 people in 2025, unchanged since 2020, against +3.1% for the U.S. It has 10,313 households. Median household income in Plymouth County is $83,251, 3% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 23.7%, 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. Plymouth County scores 63 for gas stations (upper middle), #609 of 2,358 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Plymouth 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 Plymouth 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.