Groundwork

County profile · Idaho

Idaho County, ID market data

How Idaho County compares with other counties for 56 business types: competitors, household spending, official counts and growth.

Population, 2025
17,874
+7.7% since 2020
Households
6,776
Median household income
$66,325
+59.8% vs. 2015–2019, before inflation
Median home value
$310,200
Jobs located here
4,641
Highest market score
83
Doctors, dentists and clinics, #61 of 2,394 scored counties

A site report maps the competitors on map listings around any address in Idaho County by name and distance, and the households and spending within reach. Or open the report at the center of Idaho 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

Idaho County has an estimated 17,874 people and 6,776 households. Population estimates put the population change in Idaho County from 2020 to 2025 at +7.7%, faster than the U.S. (+3.1%). Median household income in Idaho County is $66,325, 18% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 59.8%, before inflation.

Relative to the U.S., household spending in Idaho County runs highest on vehicle maintenance and repairs (an index of 132, where 100 is the U.S. average) and lowest on clothing, shoes and related services (76).

Of the business types scored in Idaho County, medical and dental practices (83), gyms and studios (75) and pet businesses (68) have the highest Groundwork market scores. For medical and dental practices, that ranks #61 of 2,394 scored counties.

Against the U.S., map listings per household run highest for gas stations (2.3 times the U.S. rate) and lowest for medical and dental practices (69% below the U.S. rate).

All 56 business types in Idaho County

Highest Groundwork market score first. Each score compares Idaho County with other counties for that business type, from 0 to 100. Spending per listing divides a whole spending line (all vehicle repairs, all eating out) by one type’s listings: the demand for each competitor, not a business’s revenue. Compare it across markets with its index, where 100 is the U.S. figure for the same type; the real estate types, whose line is all housing costs, show the index only. How the score works.

Every business type in Idaho County, ID, highest Groundwork market score first, with its rank among counties, listings, listings per 10,000 households, spending per listing and official establishments
Business typeScoreRank among countiesListingsPer 10k householdsSpending per listingSpending per listing vs. U.S. (100)Official establishments
Doctors, dentists and clinics83#61 of 2,3941826.6$426K2794
Gyms, studios and classes75#141 of 2,088710.3$789K119Under 3
Pet businesses68#363 of 2,200710.3$795K913
Clothing, shoes and laundry61#660 of 2,210710.3$1.5M171Under 3
Convenience stores59#804 of 2,26168.9$6.3M80Under 3
Gas stations59#814 of 2,3581725.1$1.3M557
Clothing and shoe stores57#775 of 2,08768.9$1.8M138Under 3
Salons, barbers and spas56#859 of 2,3852536.9$239K112Under 3
Auto repair and car care53#1,111 of 2,4013653.1$237K8814
Tire shops52#743 of 1,530811.8$1.1M43Under 3
Hair salons52#1,087 of 2,3391522.1$398K92Under 3
Insurance agencies48#1,193 of 2,2721217.7$1.3M10610
Real estate45#1,365 of 2,2292841.3Index only9013
Restaurants and cafes45#1,425 of 2,40571104.8$322K8727
Collision repair and body shops41#892 of 1,32757.4$1.7M554
Auto repair shops41#1,634 of 2,3782841.3$305K6913
Real estate agents and brokers40#1,615 of 2,1762638.4Index only7710
Sit-down restaurants40#1,637 of 2,4053551.7$653K9816
Child care and preschools35#1,233 of 1,611710.3$468K479
Grocery stores35#1,507 of 2,07068.9$6.3M686
Grocery and convenience stores34#1,828 of 2,4021928.0$2M598
Coffee shops and cafes25#1,892 of 2,0631623.6$1.4M397
Dentists and orthodontistsNot scoredNot scored45.9$1.9M1954
GymsNot scoredNot scored45.9$1.4M106Under 3
Home repair tradesNot scoredNot scored45.9$4.2M17321
Landscaping and lawn careNot scoredNot scored45.9$1.9M678
Lawn, cleaning and pest controlNot scoredNot scored45.9$1.9M1168
Nail salonsNot scoredNot scored45.9$1.5M89Under 3
Fast food and sandwich shopsNot scoredNot scored34.4$7.6M2504
Funeral homesNot scoredNot scored34.4$456K67Under 3
HVAC and plumbingNot scoredNot scored34.4$5.6M1189
Optometrists and eye careNot scoredNot scored34.4$2.6M82Under 3
PizzaNot scoredNot scored34.4$7.6M1504
Spas and skin careNot scoredNot scored34.4$2M227Under 3
BarbershopsNot scoredNot scored23.0$3MToo fewUnder 3
Martial arts and dance studiosNot scoredNot scored23.0$2.8MToo fewUnder 3
Pet grooming and boardingNot scoredNot scored23.0$2.8MToo fewUnder 3
Physical therapyNot scoredNot scored23.0$3.8MToo fewUnder 3
Property managementNot scoredNot scored23.0Index onlyToo fewUnder 3
VeterinariansNot scoredNot scored23.0$2.8MToo few3
Bakeries and dessert shopsNot scoredNot scored11.5$22.8MToo few7
Car washes and detailingNot scoredNot scored11.5$8.5MToo fewUnder 3
ChiropractorsNot scoredNot scored11.5$7.7MToo fewUnder 3
ElectriciansNot scoredNot scored11.5$16.8MToo few12
LaundromatsNot scoredNot scored11.5$10.5MToo fewUnder 3
Yoga, Pilates and fitness studiosNot scoredNot scored11.5$5.5MToo fewUnder 3
Dry cleanersNot scoredNot scored00.0None listedNone listedUnder 3
Home inspectorsNot scoredNot scored00.0None listedNone listedUnder 3
House cleaningNot scoredNot scored00.0None listedNone listedUnder 3
Mortgage brokers and lendersNot scoredNot scored00.0None listedNone listedUnder 3
Oil change and quick lubeNot scoredNot scored00.0None listedNone listedUnder 3
Pest controlNot scoredNot scored00.0None listedNone listedUnder 3
Pet storesNot scoredNot scored00.0None listedNone listedUnder 3
Primary care and pediatricsNot scoredNot scored00.0None listedNone listedUnder 3
Roofing and guttersNot scoredNot scored00.0None listedNone listedUnder 3
Urgent care and walk-in clinicsNot scoredNot scored00.0None listedNone listedUnder 3

Household spending in Idaho County

What households here spend in a year on each line, in total and per household, with the index against the U.S. average (100).

Annual household spending in Idaho County, ID by line, per household, and against the U.S.
Spending lineA year, all householdsPer householdIndex vs. U.S. (100)
Vehicle maintenance and repairs$8.5M$1,261132
Gasoline and other fuels$22.4M$3,307127
Food away from home$22.8M$3,37283
Groceries$37.8M$5,57988
Personal care products and services$6M$88088
Child care and other personal services$3.3M$48383
Memberships, classes and admissions$5.5M$81583
Medical and dental services$7.7M$1,13288
Pets$5.6M$82190
Clothing, shoes and related services$10.5M$1,55276
Vehicle insurance$16M$2,363121
Home repairs, maintenance and insurance$16.8M$2,47582
Lawn care, cleaning and other household services$7.8M$1,15081
Rent and homeowner costs$109.3M$16,13297

Household spending is estimated from the incomes of the households in each neighborhood, using what households at each income spent nationally in 2024, adjusted for the region. It counts what residents spend, wherever they spend it.

Population and households in Idaho County

Population, 2025 estimate
17,874+7.7% since 2020
Households
6,776
Median age
49.1
Homes lived in by their owners
81%
Vehicles per household
2.4
Land area
8,478 sq. mi.
People per square mile
2
Median household income
$66,325+59.8% vs. 2015–2019, before inflation
Average household income
$81,593
Median home value
$310,200
Jobs located here
4,641
Daytime population
16,179Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Idaho 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 competitors on map listings by name and distance, for any of the 56 business types.

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

Free10 actions over 3 days, no card

Questions

How fast is Idaho County, ID growing?

Population estimates put Idaho County at 17,874 people in 2025, up 7.7% since 2020, faster than the U.S. (+3.1%). It has 6,776 households. Median household income rose 59.8% from the 2015–2019 survey, before inflation.

How much do households in Idaho County, ID spend?

Households in Idaho County spend about $109.3M a year on rent and homeowner costs, $37.8M on groceries and $22.8M on food away from home. Set against the U.S., households in Idaho County spend the most on vehicle maintenance and repairs (an index of 132, where 100 is the U.S. average) and the least on clothing, shoes and related services (76).

Which business types have the highest market scores in Idaho County, ID?

The highest Groundwork market scores in Idaho County are for medical and dental practices (83), gyms and studios (75) and pet businesses (68). Idaho County ranks #61 of 2,394 scored counties for medical and dental practices.

How does Idaho County, ID compare with the U.S.?

The median household income in Idaho County is $66,325 a year, 18% below the U.S. median of $80,734. The population rose 7.7% from 2020 to 2025, against +3.1% for the U.S. The median home value is $310,200, against $332,700 for the U.S. For its number of households, Idaho County has the most map listings, relative to the U.S., for gas stations (2.3 times the U.S. rate) and the fewest for medical and dental practices (69% below the U.S. rate).

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. 22 of the 56 business types have a score in Idaho County, each ranked against other counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Idaho County. It maps the competitors 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.

All markets in Idaho · Every U.S. market · How we measure

Screening a site or an acquisition in Idaho 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 Idaho 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.