Groundwork

Groceries and convenience · County · Idaho

Convenience stores in Gem County, ID

How Gem County, ID compares with other counties and the U.S. for convenience stores: competitors, household spending, official counts and growth.

Groundwork market score · out of 100

Score 64 out of 100: Upper middle

Ranked #629 of 2,261 scored counties
#7 of 27 scored counties in Idaho

Listings
7
5 chain locations (71%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$44M
On groceries · $5,751 a household
Spending per listing
$6.3M
20% below the U.S.
Listings per 10k households
9.2
15% above the U.S.
Population, 2025
21,773
+13.0% since 2020

See the convenience stores around any address in Gem 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 Gem 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

As of September 2026, map listings count 7 convenience stores in Gem County. Chain locations make up 71% of them, against 60% across the U.S. Per 10,000 households, that is 9.2, 15% above the U.S. rate of 8.0.

Households in Gem County spend about $44M a year on groceries, or $5,751 per household, 9% below the U.S. average. That works out to $6.3M per store, 20% below 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 Gem County: counts under 3 aren’t published.

Between 2020 and 2025, the population of Gem County grew 13.0%, faster than the U.S. (+3.1%). The Groundwork market score for convenience stores in Gem County is 64 (upper middle), #629 of 2,261 scored counties and #7 of 27 scored counties in Idaho.

How Gem County compares

The same measures for Idaho 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.

Convenience stores in Gem County, ID compared with Idaho and the U.S.
MeasureGem CountyIdahoU.S.
Listings per 10k households9.29.38.0
Spending per listing$6.3M$6.5M$7.9M
Households per official establishmentn/a10,8033,493
Official establishment growth, 2019–2023n/a+26.9%+22.0%
Population growth, 2020–2025+13.0%+9.8%+3.1%
Spending per household on groceries$5,751$6,000$6,319
Median household income$64,605$77,800$80,734
Groundwork market score6458

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
75 chain locations
Listings at the U.S. rate for this spending
6The 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 Gem 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 Gem County

Population, 2025 estimate
21,773+13.0% since 2020
Households
7,643
Median age
44.3
Homes lived in by their owners
76%
Vehicles per household
2.4
Land area
560 sq. mi.
People per square mile
37
Median household income
$64,605+42.0% vs. 2015–2019, before inflation
Average household income
$86,642
Median home value
$428,700
Jobs located here
4,657
Daytime population
16,682Residents who don’t work, plus everyone whose job is here

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

Free10 actions over 3 days, no card

Convenience stores across Idaho

Every Idaho market ranked →

The highest-scoring counties in Idaho for convenience stores, numbered among those based in Idaho, with Gem County marked.

Top counties in Idaho

Counties in Idaho ranked for convenience stores by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Ada County, ID901437.1$9M+9.6%#39 of 2,261
2Jefferson County, ID8765.9$10.4M+13.6%#70 of 2,261
3Canyon County, ID80718.2$7.2M+18.1%#177 of 2,261
4Bonner County, ID7894.4$13.1M+14.8%#214 of 2,261
5Kootenai County, ID77527.3$8.3M+11.0%#255 of 2,261
6Bonneville County, ID674510.2$5.9M+8.9%#538 of 2,261
7Gem County, ID6479.2$6.3M+13.0%#629 of 2,261
8Bannock County, ID64319.2$6.2M+4.9%#630 of 2,261
9Madison County, ID59107.5$7.4M+4.2%#794 of 2,261
10Idaho County, ID5968.9$6.3M+7.7%#804 of 2,261

Other business types in Gem County

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

Questions

How many convenience stores are in Gem County, ID?

Gem County has 7 convenience stores on map listings as of September 2026. 5 of them (71%) are chain locations. The listings count convenience stores without fuel. No official count is published for convenience stores in Gem County: counts under 3 are left out.

How much do households in Gem County, ID spend on groceries?

About $44M a year, or $5,751 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 7 convenience stores on map listings, it comes to $6.3M per store. The spending figure covers all groceries, not only convenience stores. It is estimated from the incomes of the 7,643 households in Gem County and national spending patterns by income.

How does Gem County, ID compare with the U.S. for convenience stores?

Gem County has 9.2 convenience stores per 10,000 households, 15% above the U.S. rate of 8.0. Spending per store is $6.3M, 20% below the U.S. figure of $7.9M. At the national ratio of convenience stores to household spending, Gem County would have about 6, against 7 on map listings.

How fast is Gem County, ID growing?

Population estimates put Gem County at 21,773 people in 2025, up 13.0% since 2020, faster than the U.S. (+3.1%). It has 7,643 households. Median household income in Gem County is $64,605, 20% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 42.0%, 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. Gem County scores 64 for convenience stores (upper middle), #629 of 2,261 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in Gem 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 Gem 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.