Montana · FIPS 30031 · ACS 2020–2024
Gallatin County, Montana property tax rate
Homeowners in Gallatin County paid a median of $3,933 a year in real estate taxes on a median home value of $667,600 (2020–2024 survey). Taxes came to 0.55% of home value, 10% below the Montana rate of 0.61% and 41% below the U.S. rate of 0.94%.
- 0.55%Effective tax rate±0.04% margin · Montana: 0.61%
- $3,933Median tax per yearMontana: $2,693 · U.S.: $3,119
- $667,600Median home valueMontana: $375,800
- 31,270Owner-occupied homes61% of households own
| Measure | Gallatin County | Montana | U.S. | Gallatin County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 0.55% | 0.61% | 0.94% | 0.57% | −0.02 pts |
| Median tax, all owners | $3,933 | $2,693 | $3,119 | $3,625 | +$308 (+8.5%) |
| Median tax, with a mortgage | $3,939 | $2,860 | $3,489 | $3,641 | +$298 (+8.2%) |
| Median tax, no mortgage | $3,920 | $2,448 | $2,576 | $3,593 | +$327 (+9.1%) |
| Median home value | $667,600 | $375,800 | $332,700 | $604,900 | +$62,700 (+10.4%) |
| Total taxes paid | $141,447,900 | $941,386,100 | $360,573,527,500 | $125,629,500 |
How Gallatin County compares
- Per $1,000 of home value, owners here paid about $5.53 a year, against $6.14 statewide and $9.40 nationally.
- Rank in Montana: 17 of 35 counties from lowest to highest effective rate (among those with reliable estimates). Nationally, 25% of 2,682 counties had a lower rate.
- Homes with a mortgage: 0.57% of value; homes without one: 0.53%. Median bills: $3,939 and $3,920.
- Compared with the 2019–2023 survey, the effective rate fell (−0.02 pts) and the median tax changed +$308 (+8.5%). 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 0.55% ± 0.04% at 90% confidence, from a sample of the 31,270 owner-occupied homes.
Montana counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Mineral County | 0.50% | $1,758 | $364,300 |
| Beaverhead County | 0.51% | $2,069 | $308,300 |
| Jefferson County | 0.51% | $2,446 | $446,900 |
| Musselshell County | 0.51% | $1,287 | $235,000 |
| Powell County | 0.53% | $2,104 | $306,500 |
| Flathead County | 0.54% | $3,120 | $535,500 |
| Stillwater County | 0.55% | $2,319 | $405,800 |
| Big Horn County | 0.56% | $1,574 | $143,400 |
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.