Real estate · County · Idaho
Real estate businesses in Ada County, ID
How Ada County, ID compares with other counties and the U.S. for real estate businesses: competitors, household spending, official counts and growth.
Groundwork market score · out of 100
Score 39 out of 100: Lower middle
Ranked #1,711 of 2,229 scored counties
#26 of 29 scored counties in Idaho
- Listings
- 1,580
- 87 chain locations (6%)
- Official establishments
- 1,216
- +26.1% since 2019
- Household spending a year
- $3.9B
- On rent and homeowner costs · $19,140 a household
- Housing spending per listing (U.S. = 100)
- 57
- 43% below the U.S.
- Listings per 10k households
- 78.0
- Twice the U.S.
- Population, 2025
- 546,141
- +9.6% since 2020
See the real estate businesses around any address in Ada County
The site report maps the real estate businesses 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 Ada 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
For real estate businesses, Ada County has a Groundwork market score of 39 (lower middle): #1,711 of 2,229 scored counties and #26 of 29 scored counties in Idaho. That puts it in the bottom quarter of counties.
Households in Ada County spend about $3.9B a year on rent and homeowner costs, or $19,140 per household, 15% above the U.S. average. Housing spending per office is 43% below the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate businesses take in.
Ada County has 1,580 real estate businesses on map listings as of September 2026. 87 of them (6%) are chain locations, against 6% across the U.S. That comes to 78.0 for every 10,000 households, twice the U.S. rate of 38.5.
In 2023, official counts showed 1,216 businesses with payroll in Ada County classed as real estate agents, property managers, mortgage lenders and inspectors, up 26.1% from 2019. That is one for every 167 households, against one for every 414 across the U.S. Since fiscal 2022, 11 SBA-backed loans worth $4M have gone to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Ada County. Between 2020 and 2025, the population of Ada County grew 9.6%, faster than the U.S. (+3.1%).
How Ada County compares
The same measures for Idaho and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.
| Measure | Ada County | Idaho | U.S. |
|---|---|---|---|
| Listings per 10k households | 78.0 | 50.2 | 38.5 |
| Housing spending per listing (U.S. = 100) | 57 | 81 | 100 |
| Households per official establishment | 167 | 244 | 414 |
| Official establishment growth, 2019–2023 | +26.1% | +29.3% | +15.8% |
| Population growth, 2020–2025 | +9.6% | +9.8% | +3.1% |
| Spending per household on rent and homeowner costs | $19,140 | $17,677 | $16,661 |
| Median household income | $91,502 | $77,800 | $80,734 |
| Groundwork market score | 39 | 37 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 964 → 1,216+26.1% over the period
- Employees, 2023
- 5,037
- Annual payroll, 2023
- $336.8M
- One-person businesses, 2023
- 4,312Businesses with no payroll
- Map listings, September 2026
- 1,58087 chain locations
- Listings at the U.S. rate for this spending
- 895The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 11
- Amount
- $4M
SBA-backed loans to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Ada 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 Ada County
- Population, 2025 estimate
- 546,141+9.6% since 2020
- Households
- 202,543
- Median age
- 39.5
- Homes lived in by their owners
- 71%
- Vehicles per household
- 2.0
- Land area
- 1,052 sq. mi.
- People per square mile
- 493
- Median household income
- $91,502+38.0% vs. 2015–2019, before inflation
- Average household income
- $124,631
- Median home value
- $512,300
- Jobs located here
- 294,737
- Daytime population
- 566,160Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Ada 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 real estate businesses on map listings by name and distance.
Or open the report at the center of Ada County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardReal estate across Idaho
Every Idaho market ranked →The highest-scoring counties in Idaho for real estate businesses, numbered among those based in Idaho, with Ada County marked.
Top counties in Idaho
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Jerome County, ID | 81 | 14 | 16.9 | 233 | +8.6% | #17 of 2,229 |
| 2Minidoka County, ID | 80 | 10 | 12.3 | 309 | +5.7% | #22 of 2,229 |
| 3Bingham County, ID | 78 | 23 | 14.3 | 281 | +6.4% | #56 of 2,229 |
| 4Jefferson County, ID | 74 | 14 | 13.7 | 302 | +13.6% | #124 of 2,229 |
| 5Benewah County, ID | 74 | 6 | 14.7 | 250 | +9.7% | #130 of 2,229 |
| 6Franklin County, ID | 72 | 9 | 18.2 | 222 | +11.2% | #166 of 2,229 |
| 7Gem County, ID | 69 | 12 | 15.7 | 246 | +13.0% | #232 of 2,229 |
| 8Gooding County, ID | 69 | 13 | 22.8 | 162 | +5.1% | #250 of 2,229 |
| 9Washington County, ID | 60 | 11 | 26.2 | 136 | +9.7% | #582 of 2,229 |
| 10Canyon County, ID | 59 | 218 | 25.3 | 157 | +18.1% | #631 of 2,229 |
| 26Ada County, ID | 39 | 1,580 | 78.0 | 57 | +9.6% | #1,711 of 2,229 |
Other business types in Ada County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
Real estate
Funeral services
Questions
How many real estate businesses are in Ada County, ID?
Map listings as of September 2026 show 1,580 real estate businesses in Ada County. 87 of them (6%) are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 1,216 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023, up 26.1% from 2019. Another 4,312 one-person businesses have no payroll, by official counts.
How much do households in Ada County, ID spend on rent and homeowner costs?
About $3.9B a year, or $19,140 per household. That is 15% above the U.S. average (an index of 115, where 100 is the U.S. average). For the 1,580 real estate businesses on map listings, housing spending per office is 43% below the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money real estate businesses take in. It is estimated from the incomes of the 202,543 households in Ada County and national spending patterns by income.
How does Ada County, ID compare with the U.S. for real estate businesses?
Ada County has 78.0 real estate businesses per 10,000 households, twice the U.S. rate of 38.5. The index of housing spending per office is 57, where 100 is the U.S. At the U.S. ratio of real estate businesses to household spending, Ada County would have about 895, against 1,580 on map listings. There is one business with payroll in the industry for every 167 households, against one for every 414 across the U.S. The official count rose 26.1% from 2019 to 2023, against +15.8% for the U.S.
How fast is Ada County, ID growing?
Population estimates put Ada County at 546,141 people in 2025, up 9.6% since 2020, faster than the U.S. (+3.1%). It has 202,543 households. Median household income in Ada County is $91,502, 13% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 38.0%, 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. Ada County scores 39 for real estate businesses (lower middle), #1,711 of 2,229 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Ada County. It maps the real estate businesses 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 real estate businesses · All 56 business types in Ada County
Screening a site or an acquisition in Ada 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 Ada 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.