Groundwork

Health care · County · Idaho

Medical and dental practices in Jefferson County, ID

Competitor counts, household spending and official business counts for medical and dental practices in Jefferson County, ID, set against other counties and the U.S.

Groundwork market score · out of 100

Score 66 out of 100: Upper middle

Ranked #477 of 2,394 scored counties
#10 of 30 scored counties in Idaho

Listings
43
3 chain locations (7%)
Official establishments
35
+34.6% since 2019
Household spending a year
$13.2M
On medical and dental services · $1,298 a household
Spending per listing
$308K
Twice the U.S.
Listings per 10k households
42.2
50% below the U.S.
Population, 2025
35,297
+13.6% since 2020

See the medical and dental practices around any address in Jefferson County

The site report maps the medical and dental practices 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

Household spending on medical and dental services in Jefferson County comes to about $13.2M a year: $1,298 per household, in line with the U.S. average. That is about $308K of household spending for each practice on map listings, twice the U.S. figure of $152K.

Jefferson County has 43 medical and dental practices on map listings as of September 2026. Of those, 3 are chain locations, or 7%, against 11% across the U.S. That comes to 42.2 for every 10,000 households, 50% below the U.S. rate of 84.5.

In 2023, official counts showed 35 businesses with payroll in Jefferson County classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers, up 34.6% from 2019. That is one for every 291 households, against one for every 270 across the U.S. Another 30 one-person businesses have no payroll, by official counts.

Between 2020 and 2025, the population of Jefferson County grew 13.6%, faster than the U.S. (+3.1%). For medical and dental practices, Jefferson County has a Groundwork market score of 66 (upper middle): #477 of 2,394 scored counties and #10 of 30 scored counties in Idaho. That puts it in the top quarter of counties.

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 medical and dental services by the medical and dental practices counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.

Doctors, dentists and clinics in Jefferson County, ID compared with Idaho and the U.S.
MeasureJefferson CountyIdahoU.S.
Listings per 10k households42.2110.784.5
Spending per listing$308K$114K$152K
Households per official establishment291219270
Official establishment growth, 2019–2023+34.6%+6.4%+1.5%
Population growth, 2020–2025+13.6%+9.8%+3.1%
Spending per household on medical and dental services$1,298$1,264$1,288
Median household income$86,679$77,800$80,734
Groundwork market score6631

Official counts and lending

Businesses

Official establishments, 2019 to 2023
26 → 35+34.6% over the period
Employees, 2023
228
Annual payroll, 2023
$9.1M
One-person businesses, 2023
30Businesses with no payroll
Map listings, September 2026
433 chain locations
Listings at the U.S. rate for this spending
87The 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 offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers 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.

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 medical and dental practices 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

Doctors, dentists and clinics across Idaho

Every Idaho market ranked →

The highest-scoring counties in Idaho for medical and dental practices, numbered among those based in Idaho, with Jefferson County marked.

Top counties in Idaho

Counties in Idaho ranked for medical and dental practices by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Idaho County, ID831826.6$426K+7.7%#61 of 2,394
2Benewah County, ID791434.4$325K+9.7%#116 of 2,394
3Owyhee County, ID771023.0$485K+5.6%#141 of 2,394
4Minidoka County, ID762530.8$378K+5.7%#171 of 2,394
5Boundary County, ID762243.6$264K+15.3%#186 of 2,394
6Fremont County, ID721736.5$324K+5.9%#287 of 2,394
7Gooding County, ID681933.3$334K+5.1%#399 of 2,394
8Shoshone County, ID682136.4$286K+7.1%#411 of 2,394
9Washington County, ID671740.5$267K+9.7%#453 of 2,394
10Jefferson County, ID664342.2$308K+13.6%#477 of 2,394

Other business types in Jefferson County

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

Questions

How many medical and dental practices are in Jefferson County, ID?

Map listings as of September 2026 show 43 medical and dental practices in Jefferson County. 3 of them (7%) are chain locations. The listings count every outpatient clinic and practice, and urgent care. Official counts show 35 businesses with payroll classed as offices of physicians, dentists, chiropractors, optometrists and therapists, and urgent care centers in 2023, up 34.6% from 2019. Official counts list 30 one-person businesses without payroll.

How much do households in Jefferson County, ID spend on medical and dental services?

About $13.2M a year, or $1,298 per household. That is in line with the U.S. average (an index of 101, where 100 is the U.S. average). Spread across the 43 medical and dental practices on map listings, it comes to $308K per practice. 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 medical and dental practices?

Jefferson County has 42.2 medical and dental practices per 10,000 households, 50% below the U.S. rate of 84.5. Spending per practice is $308K, twice the U.S. figure of $152K. At the U.S. ratio of medical and dental practices to household spending, Jefferson County would have about 87, against 43 on map listings. There is one business with payroll in the industry for every 291 households, against one for every 270 across the U.S. The official count rose 34.6% from 2019 to 2023, against +1.5% for 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 66 for medical and dental practices (upper middle), #477 of 2,394 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 medical and dental practices 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 medical and dental practices · 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.