Real estate · County · Montana
Real estate businesses in Custer County, MT
The real estate businesses in Custer County, MT, the household spending behind them and how the market ranks against other counties.
Groundwork market score · out of 100
Score 59 out of 100: Upper middle
Ranked #613 of 2,229 scored counties
#2 of 17 scored counties in Montana
- Listings
- 9
- 0 chain locations (0%)
- Official establishments
- 9
- Businesses with payroll, 2023
- Household spending a year
- $83.5M
- On rent and homeowner costs · $16,572 a household
- Housing spending per listing (U.S. = 100)
- 214
- 2.1 times the U.S.
- Listings per 10k households
- 17.9
- 54% below the U.S.
- Population, 2025
- 12,034
- +1.5% since 2020
See the real estate businesses around any address in Custer 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 Custer 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
As of September 2026, map listings count 9 real estate businesses in Custer County. None of them are chain locations, against 6% across the U.S. Per 10,000 households, that is 17.9, 54% below the U.S. rate of 38.5.
Household spending on rent and homeowner costs in Custer County comes to about $83.5M a year: $16,572 per household, in line with the U.S. average. Housing spending per office is 2.1 times 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.
Official counts show 9 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in Custer County in 2023. That is one for every 560 households, against one for every 414 across the U.S. Official counts also show 30 one-person businesses without payroll. Since fiscal 2022, 1 SBA-backed loan worth $20K has gone to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Custer County.
Population estimates put the population change in Custer County from 2020 to 2025 at +1.5%, slower than the U.S. (+3.1%). The Groundwork market score for real estate businesses in Custer County is 59 (upper middle), #613 of 2,229 scored counties and #2 of 17 scored counties in Montana.
How Custer County compares
The same measures for Montana 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 | Custer County | Montana | U.S. |
|---|---|---|---|
| Listings per 10k households | 17.9 | 46.9 | 38.5 |
| Housing spending per listing (U.S. = 100) | 214 | 85 | 100 |
| Households per official establishment | 560 | 260 | 414 |
| Official establishment growth, 2019–2023 | n/a | +25.1% | +15.8% |
| Population growth, 2020–2025 | +1.5% | +5.3% | +3.1% |
| Spending per household on rent and homeowner costs | $16,572 | $17,303 | $16,661 |
| Median household income | $70,605 | $72,509 | $80,734 |
| Groundwork market score | 59 | 32 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 9
- Employees, 2023
- 17
- Annual payroll, 2023
- $978K
- One-person businesses, 2023
- 30Businesses with no payroll
- Map listings, September 2026
- 90 chain locations
- Listings at the U.S. rate for this spending
- 19The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $20K
SBA-backed loans to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Custer 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 Custer County
- Population, 2025 estimate
- 12,034+1.5% since 2020
- Households
- 5,038
- Median age
- 43.5
- Homes lived in by their owners
- 70%
- Vehicles per household
- 2.2
- Land area
- 3,783 sq. mi.
- People per square mile
- 3
- Median household income
- $70,605+33.3% vs. 2015–2019, before inflation
- Average household income
- $85,295
- Median home value
- $219,100
- Jobs located here
- 5,790
- Daytime population
- 11,387Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Custer 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 Custer 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 Montana
Every Montana market ranked →The highest-scoring counties in Montana for real estate businesses, numbered among those based in Montana, with Custer County marked.
Top counties in Montana
| Market | Score | Listings | Per 10k households | Housing spending per listing (U.S. = 100) | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Richland County, MT | 69 | 6 | 13.6 | 303 | −1.3% | #224 of 2,229 |
| 2Custer County, MT | 59 | 9 | 17.9 | 214 | +1.5% | #613 of 2,229 |
| 3Sanders County, MT | 57 | 13 | 23.8 | 151 | +12.9% | #729 of 2,229 |
| 4Fergus County, MT | 55 | 15 | 28.3 | 131 | +3.1% | #839 of 2,229 |
| 5Carbon County, MT | 47 | 17 | 36.4 | 113 | +9.1% | #1,241 of 2,229 |
| 6Lake County, MT | 46 | 47 | 37.4 | 102 | +6.9% | #1,315 of 2,229 |
| 7Hill County, MT | 44 | 16 | 25.8 | 138 | −0.5% | #1,394 of 2,229 |
| 8Lincoln County, MT | 41 | 36 | 39.6 | 87 | +13.1% | #1,586 of 2,229 |
| 9Cascade County, MT | 39 | 130 | 36.5 | 106 | +0.7% | #1,685 of 2,229 |
| 10Yellowstone County, MT | 39 | 320 | 45.8 | 90 | +4.5% | #1,693 of 2,229 |
Other business types in Custer 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 Custer County, MT?
Custer County has 9 real estate businesses on map listings as of September 2026. None of them are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 9 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023. Another 30 one-person businesses have no payroll, by official counts.
How much do households in Custer County, MT spend on rent and homeowner costs?
About $83.5M a year, or $16,572 per household. That is in line with the U.S. average (an index of 99, where 100 is the U.S. average). For the 9 real estate businesses on map listings, housing spending per office is 2.1 times 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. It is estimated from the incomes of the 5,038 households in Custer County and national spending patterns by income.
How does Custer County, MT compare with the U.S. for real estate businesses?
Custer County has 17.9 real estate businesses per 10,000 households, 54% below the U.S. rate of 38.5. The index of housing spending per office is 214, where 100 is the U.S. At the national ratio of real estate businesses to household spending, Custer County would have about 19, against 9 on map listings. There is one business with payroll in the industry for every 560 households, against one for every 414 across the U.S.
How fast is Custer County, MT growing?
Population estimates put Custer County at 12,034 people in 2025, up 1.5% since 2020, slower than the U.S. (+3.1%). It has 5,038 households. The median household income in Custer County is $70,605 a year, 13% below the U.S. median of $80,734. That rose 33.3% 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. Custer County scores 59 for real estate businesses (upper middle), #613 of 2,229 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Custer 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 Custer County
Screening a site or an acquisition in Custer 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 Custer 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.