Groundwork

Food and drink · County · Idaho

Fast food and sandwich shops in Jefferson County, ID

Competitor counts, household spending and official business counts for fast food and sandwich shops in Jefferson County, ID, set against other counties and the U.S.

Groundwork market score · out of 100

Score 85 out of 100: High

Ranked #58 of 2,222 scored counties
#1 of 22 scored counties in Idaho

Listings
9
8 chain locations (89%)
Official establishments
15
All limited-service restaurants
Household spending a year
$40.3M
On food away from home · $3,952 a household
Spending per listing
$4.5M
47% above the U.S.
Listings per 10k households
8.8
34% below the U.S.
Population, 2025
35,297
+13.6% since 2020

See the fast food and sandwich shops around any address in Jefferson County

The site report maps the fast food and sandwich shops 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 Jefferson 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

For fast food and sandwich shops, Jefferson County has a Groundwork market score of 85 (high): #58 of 2,222 scored counties and #1 of 22 scored counties in Idaho. That puts it in the top 10% of counties for fast food and sandwich shops.

As of September 2026, map listings count 9 fast food and sandwich shops in Jefferson County. Of those, 8 are chain locations, or 89%, against 79% across the U.S. Per 10,000 households, that is 8.8, 34% below the U.S. rate of 13.3.

Household spending on food away from home in Jefferson County comes to about $40.3M a year: $3,952 per household, 3% below the U.S. average. That is about $4.5M of household spending for each shop on map listings, 47% above the U.S. figure of $3.1M. That spending covers all food away from home, which fast food and sandwich shops share with other businesses in the trade.

The official count of businesses with payroll classed as limited-service restaurants in Jefferson County was 15 in 2023. That is one for every 680 households, against one for every 478 across the U.S. The official count takes in all limited-service restaurants, not only fast food and sandwich shops: pizza places are counted too. Between 2020 and 2025, the population of Jefferson County grew 13.6%, faster than the U.S. (+3.1%).

How Jefferson County compares

The same measures for Idaho and the whole U.S. Spending per listing divides a year of household spending on all food away from home by the fast food and sandwich shops counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Fast food and sandwich shops in Jefferson County, ID compared with Idaho and the U.S.
MeasureJefferson CountyIdahoU.S.
Listings per 10k households8.813.413.3
Spending per listing$4.5M$2.9M$3.1M
Households per official establishment (all limited-service restaurants)680510478
Official establishment growth, 2019–2023n/a+19.5%+6.1%
Population growth, 2020–2025+13.6%+9.8%+3.1%
Spending per household on food away from home$3,952$3,857$4,070
Median household income$86,679$77,800$80,734
Groundwork market score8557

Official counts and lending

Businesses

Official establishments, 2019 to 2023
11 → 15All limited-service restaurants
Employees, 2023
233
Annual payroll, 2023
$3.5M
One-person businesses, 2023
0All limited-service restaurants with no payroll
Map listings, September 2026
98 chain locations
Listings at the U.S. rate for this spending
13The 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 limited-service restaurants in Jefferson 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. These official figures cover all limited-service restaurants, not only fast food and sandwich shops.

Population and households in Jefferson County

Population, 2025 estimate
35,297+13.6% since 2020
Households
10,199
Median age
32.9
Homes lived in by their owners
83%
Vehicles per household
2.6
Land area
1,094 sq. mi.
People per square mile
30
Median household income
$86,679+37.5% vs. 2015–2019, before inflation
Average household income
$99,354
Median home value
$408,400
Jobs located here
8,448
Daytime population
27,194Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Jefferson 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 fast food and sandwich shops on map listings by name and distance.

Or open the report at the center of Jefferson County. Signed out, you see a blurred preview; on an account, each report is one action.

Free10 actions over 3 days, no card

Fast food and sandwich shops across Idaho

Every Idaho market ranked →

The highest-scoring counties in Idaho for fast food and sandwich shops, numbered among those based in Idaho, with Jefferson County marked.

Top counties in Idaho

Counties in Idaho ranked for fast food and sandwich shops by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Jefferson County, ID8598.8$4.5M+13.6%#58 of 2,222
2Payette County, ID8366.2$5.7M+8.8%#84 of 2,222
3Bingham County, ID80148.7$4.4M+6.4%#126 of 2,222
4Bonner County, ID80178.4$4.4M+14.8%#127 of 2,222
5Canyon County, ID6910612.3$3M+18.1%#413 of 2,222
6Blaine County, ID6798.6$4.9M+4.8%#456 of 2,222
7Gem County, ID67911.8$3M+13.0%#489 of 2,222
8Franklin County, ID66510.1$3.8M+11.2%#508 of 2,222
9Kootenai County, ID659112.8$3.1M+11.0%#556 of 2,222
10Ada County, ID6129914.8$2.9M+9.6%#712 of 2,222

Other business types in Jefferson County

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

Questions

How many fast food and sandwich shops are in Jefferson County, ID?

Jefferson County has 9 fast food and sandwich shops on map listings as of September 2026. 8 of them (89%) are chain locations. The listings count fast food, sandwich shops, delis and bagel shops. Official counts show 15 businesses with payroll classed as limited-service restaurants in 2023. That count covers all limited-service restaurants (pizza places included), not only fast food and sandwich shops.

How much do households in Jefferson County, ID spend on food away from home?

About $40.3M a year, or $3,952 per household. That is 3% below the U.S. average (an index of 97, where 100 is the U.S. average). Spread across the 9 fast food and sandwich shops on map listings, it comes to $4.5M per shop. The spending figure covers all food away from home, not only fast food and sandwich shops. It is estimated from the incomes of the 10,199 households in Jefferson County and national spending patterns by income.

How does Jefferson County, ID compare with the U.S. for fast food and sandwich shops?

Jefferson County has 8.8 fast food and sandwich shops per 10,000 households, 34% below the U.S. rate of 13.3. Spending per shop is $4.5M, 47% above the U.S. figure of $3.1M. At the national ratio of fast food and sandwich shops to household spending, Jefferson County would have about 13, against 9 on map listings. There is one business with payroll in the industry for every 680 households, against one for every 478 across the U.S.

How fast is Jefferson County, ID growing?

Population estimates put Jefferson County at 35,297 people in 2025, up 13.6% since 2020, faster than the U.S. (+3.1%). It has 10,199 households. The median household income in Jefferson County is $86,679 a year, 7% above the U.S. median of $80,734. That rose 37.5% from the 2015–2019 survey, 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. Jefferson County scores 85 for fast food and sandwich shops (high), #58 of 2,222 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Jefferson County. It maps the fast food and sandwich shops 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 fast food and sandwich shops · All 56 business types in Jefferson County

Screening a site or an acquisition in Jefferson 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 Jefferson 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.