Montana · FIPS 30017 · ACS 2020–2024
Custer County, Montana property tax rate
Homeowners in Custer County paid a median of $2,264 a year in real estate taxes on a median home value of $219,100 (2020–2024 survey). Taxes came to 0.80% of home value, 30% above the Montana rate of 0.61% and 15% below the U.S. rate of 0.94%.
- 0.80%Effective tax rate±0.09% margin · Montana: 0.61%
- $2,264Median tax per yearMontana: $2,693 · U.S.: $3,119
- $219,100Median home valueMontana: $375,800
- 3,520Owner-occupied homes70% of households own
| Measure | Custer County | Montana | U.S. | Custer County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 0.80% | 0.61% | 0.94% | 0.88% | −0.08 pts |
| Median tax, all owners | $2,264 | $2,693 | $3,119 | $2,242 | +$22 (+1.0%) |
| Median tax, with a mortgage | $2,386 | $2,860 | $3,489 | $2,352 | +$34 (+1.4%) |
| Median tax, no mortgage | $2,087 | $2,448 | $2,576 | $2,117 | −$30 (-1.4%) |
| Median home value | $219,100 | $375,800 | $332,700 | $204,200 | +$14,900 (+7.3%) |
| Total taxes paid | $8,007,100 | $941,386,100 | $360,573,527,500 | $8,092,700 |
How Custer County compares
- Per $1,000 of home value, owners here paid about $7.98 a year, against $6.14 statewide and $9.40 nationally.
- Rank in Montana: 31 of 35 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 53% of 2,682 counties had a lower rate.
- Homes with a mortgage: 0.82% of value; homes without one: 0.78%. Median bills: $2,386 and $2,087.
- Compared with the 2019–2023 survey, the effective rate fell (−0.08 pts) and the median tax changed +$22 (+1.0%). The two 5-year surveys share four years of responses, so year-to-year moves are small and partly noise.
- Margin of error: the effective rate is 0.80% ± 0.09% at 90% confidence, from a sample of the 3,520 owner-occupied homes.
Montana counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Lewis and Clark County | 0.73% | $3,113 | $393,500 |
| Pondera County | 0.73% | $1,651 | $206,100 |
| Yellowstone County | 0.74% | $2,832 | $349,500 |
| McCone County | 0.74% | $1,429 | $211,600 |
| Fergus County | 0.77% | $1,769 | $236,100 |
| Cascade County | 0.77% | $2,320 | $265,300 |
| Missoula County | 0.78% | $4,150 | $472,100 |
| Silver Bow County | 0.84% | $2,500 | $255,200 |
Sources
- U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, table-based summary file: B25090 (aggregate real estate taxes), B25082 (aggregate home value), B25103 (median real estate taxes), B25077 (median home value) and B25003 (tenure); files dated January 29, 2026.
- U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates, same tables (files dated October 31, 2024), for the comparison column.
- Geography names: Census Bureau Geos20245YR.txt (file dated January 22, 2026).
Effective rate = total real estate taxes paid by owner-occupied homes ÷ their total value, as reported by owners to the Census Bureau. It is not a millage rate. Your bill depends on your assessed value, exemptions (such as homestead) and local levies.