Groceries and convenience · County · Iowa
Convenience stores in Plymouth County, IA
Competitor counts, household spending and official business counts for convenience stores in Plymouth County, IA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 65 out of 100: Upper middle
Ranked #583 of 2,261 scored counties
#14 of 60 scored counties in Iowa
- Listings
- 8
- 4 chain locations (50%)
- Official establishments
- n/a
- Fewer than 3, or not published
- Household spending a year
- $63.7M
- On groceries · $6,175 a household
- Spending per listing
- $8M
- In line with the U.S.
- Listings per 10k households
- 7.8
- 2% below the U.S.
- Population, 2025
- 25,697
- 0.0% since 2020
See the convenience stores around any address in Plymouth County
The site report maps the convenience stores 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.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 8 convenience stores in Plymouth County. Of those, 4 are chain locations, or 50%, against 60% across the U.S. Per 10,000 households, that is 7.8, 2% below the U.S. rate of 8.0.
Household spending on groceries in Plymouth County comes to about $63.7M a year: $6,175 per household, 2% below the U.S. average. That is about $8M of household spending for each store on map listings, in line with the U.S. figure of $7.9M. That spending covers all groceries, which convenience stores share with other businesses in the trade.
There is no official count of businesses with payroll classed as convenience stores in Plymouth County: counts under 3 aren’t published.
Between 2020 and 2025, the population of Plymouth County held about level, against +3.1% for the U.S. The Groundwork market score for convenience stores in Plymouth County is 65 (upper middle), #583 of 2,261 scored counties and #14 of 60 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 groceries by the convenience stores counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Plymouth County | Iowa | U.S. |
|---|---|---|---|
| Listings per 10k households | 7.8 | 8.4 | 8.0 |
| Spending per listing | $8M | $7.2M | $7.9M |
| Households per official establishment | n/a | 11,747 | 3,493 |
| Official establishment growth, 2019–2023 | n/a | +67.2% | +22.0% |
| Population growth, 2020–2025 | 0.0% | +1.5% | +3.1% |
| Spending per household on groceries | $6,175 | $6,036 | $6,319 |
| Median household income | $83,251 | $75,059 | $80,734 |
| Groundwork market score | 65 | 51 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- n/a
- Employees, 2023
- n/a
- Annual payroll, 2023
- n/a
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 84 chain locations
- Listings at the U.S. rate for this spending
- 8The 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 convenience stores 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 convenience stores 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.
Free10 actions over 3 days, no cardConvenience stores across Iowa
Every Iowa market ranked →The highest-scoring counties in Iowa for convenience stores, numbered among those based in Iowa, with Plymouth County marked.
Top counties in Iowa
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Dallas County, IA | 94 | 27 | 6.4 | $10.7M | +17.8% | #12 of 2,261 |
| 2Johnson County, IA | 84 | 29 | 4.6 | $13.4M | +4.6% | #97 of 2,261 |
| 3Polk County, IA | 84 | 152 | 7.4 | $8.5M | +4.8% | #108 of 2,261 |
| 4Warren County, IA | 84 | 16 | 7.7 | $8.3M | +9.0% | #109 of 2,261 |
| 5Story County, IA | 83 | 16 | 4.1 | $14.5M | +2.7% | #114 of 2,261 |
| 6Linn County, IA | 76 | 66 | 6.9 | $8.9M | +0.7% | #279 of 2,261 |
| 7Pottawattamie County, IA | 71 | 25 | 6.6 | $9M | −0.7% | #404 of 2,261 |
| 8Madison County, IA | 71 | 6 | 9.0 | $7M | +3.8% | #413 of 2,261 |
| 9Washington County, IA | 70 | 5 | 5.6 | $10.8M | +0.6% | #421 of 2,261 |
| 10Marion County, IA | 70 | 10 | 7.5 | $8.1M | +2.3% | #434 of 2,261 |
| 14Plymouth County, IA | 65 | 8 | 7.8 | $8M | 0.0% | #583 of 2,261 |
Other business types in Plymouth County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
- Grocery and convenience stores69
- Grocery stores55
- Convenience stores65
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many convenience stores are in Plymouth County, IA?
Plymouth County has 8 convenience stores on map listings as of September 2026. 4 of them (50%) are chain locations. The listings count convenience stores without fuel. No official count is published for convenience stores in Plymouth County: counts under 3 are left out.
How much do households in Plymouth County, IA spend on groceries?
About $63.7M a year, or $6,175 per household. That is 2% below the U.S. average (an index of 98, where 100 is the U.S. average). Spread across the 8 convenience stores on map listings, it comes to $8M per store. The spending figure covers all groceries, not only convenience stores. 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 convenience stores?
Plymouth County has 7.8 convenience stores per 10,000 households, 2% below the U.S. rate of 8.0. Spending per store is $8M, in line with the U.S. figure of $7.9M. The count on map listings matches the U.S. ratio of convenience stores to household spending.
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 65 for convenience stores (upper middle), #583 of 2,261 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 convenience stores 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 convenience stores · 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.