Real estate · County · Montana
Real estate agents and brokers in Custer County, MT
Competitor counts, household spending and official business counts for real estate agents and brokers in Custer County, MT, set against other counties and the U.S.
Groundwork market score · out of 100
Score 56 out of 100: Upper middle
Ranked #737 of 2,176 scored counties
#2 of 17 scored counties in Montana
- Listings
- 8
- 0 chain locations (0%)
- Official establishments
- 6
- 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)
- 191
- 91% above the U.S.
- Listings per 10k households
- 15.9
- 48% below the U.S.
- Population, 2025
- 12,034
- +1.5% since 2020
See the real estate agents and brokers around any address in Custer County
The site report maps the real estate agents and brokers 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
Map listings as of September 2026 show 8 real estate agents and brokers in Custer County. None of them are chain locations, against 4% across the U.S. Per 10,000 households, that is 15.9, 48% below the U.S. rate of 30.6.
Households in Custer County spend about $83.5M a year on rent and homeowner costs, or $16,572 per household, in line with the U.S. average. Housing spending per office is 91% above 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 agents and brokers take in.
The official count of businesses with payroll classed as offices of real estate agents and brokers in Custer County was 6 in 2023. That is one for every 840 households, against one for every 788 across the U.S.
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 agents and brokers in Custer County is 56 (upper middle), #737 of 2,176 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 | 15.9 | 37.8 | 30.6 |
| Housing spending per listing (U.S. = 100) | 191 | 84 | 100 |
| Households per official establishment | 840 | 417 | 788 |
| Official establishment growth, 2019–2023 | n/a | +30.6% | +20.1% |
| 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 | 56 | 31 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 4 → 6
- Employees, 2023
- 10
- Annual payroll, 2023
- $713K
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 80 chain locations
- Listings at the U.S. rate for this spending
- 15The 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 real estate agents and brokers 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 agents and brokers 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 agents and brokers across Montana
Every Montana market ranked →The highest-scoring counties in Montana for real estate agents and brokers, 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 | 60 | 6 | 13.6 | 240 | −1.3% | #545 of 2,176 |
| 2Custer County, MT | 56 | 8 | 15.9 | 191 | +1.5% | #737 of 2,176 |
| 3Sanders County, MT | 50 | 13 | 23.8 | 120 | +12.9% | #1,058 of 2,176 |
| 4Carbon County, MT | 50 | 13 | 27.9 | 118 | +9.1% | #1,059 of 2,176 |
| 5Lake County, MT | 47 | 40 | 31.8 | 95 | +6.9% | #1,245 of 2,176 |
| 6Fergus County, MT | 45 | 14 | 26.4 | 111 | +3.1% | #1,333 of 2,176 |
| 7Hill County, MT | 41 | 14 | 22.6 | 126 | −0.5% | #1,515 of 2,176 |
| 8Cascade County, MT | 41 | 105 | 29.5 | 104 | +0.7% | #1,527 of 2,176 |
| 9Yellowstone County, MT | 40 | 240 | 34.3 | 95 | +4.5% | #1,601 of 2,176 |
| 10Silver Bow County, MT | 39 | 46 | 29.8 | 97 | +2.6% | #1,653 of 2,176 |
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
- Real estate59
- Real estate agents and brokers56
- Property management
- Mortgage brokers and lenders
- Home inspectors
Funeral services
Questions
How many real estate agents and brokers are in Custer County, MT?
There are 8 real estate agents and brokers on map listings in Custer County as of September 2026. None of them are chain locations. The listings count real estate agents and brokerages, commercial brokers included. Official counts show 6 businesses with payroll classed as offices of real estate agents and brokers in 2023.
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 8 real estate agents and brokers on map listings, housing spending per office is 91% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate agents and brokers 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 agents and brokers?
Custer County has 15.9 real estate agents and brokers per 10,000 households, 48% below the U.S. rate of 30.6. The index of housing spending per office is 191, where 100 is the U.S. At the national ratio of real estate agents and brokers to household spending, Custer County would have about 15, against 8 on map listings. There is one business with payroll in the industry for every 840 households, against one for every 788 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 56 for real estate agents and brokers (upper middle), #737 of 2,176 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 agents and brokers 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 agents and brokers · 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.