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Montana · FIPS 30011 · ACS 2020–2024

Carter County, Montana property tax rate

Homeowners in Carter County paid a median of $904 a year in real estate taxes on a median home value of $199,200 (2020–2024 survey). Taxes came to 0.20% of home value, 67% below the Montana rate of 0.61% and 78% below the U.S. rate of 0.94%.

  • 0.20%Effective tax rate±0.09% margin · Montana: 0.61%
  • $904Median tax per yearMontana: $2,693 · U.S.: $3,119
  • $199,200Median home valueMontana: $375,800
  • 373Owner-occupied homes62% of households own

Small sample. This estimate has fewer than 500 owner-occupied homes and a wide margin of error, so treat it as a rough guide.

Estimate your property tax

Rate defaults to the Carter County effective rate. Results update as you type and stay in your browser.

Default: the local median home value, rounded.

Default: Carter County average. Your last tax bill ÷ your home’s market value gives your own rate.

Estimated tax at this rate$407/year
The same home value at each average rate
RateEffective ratePer yearPer month
Carter County average0.20%$407$34
Montana average0.61%$1,222$102
U.S. average0.94%$1,870$156
Property taxes in Carter County: 2020–2024 compared with Montana, the U.S. and 2019–2023
MeasureCarter CountyMontanaU.S.Carter County 2019–2023Change
Effective tax rate0.20%0.61%0.94%0.29%−0.09 pts
Median tax, all owners$904$2,693$3,119$782+$122 (+15.6%)
Median tax, with a mortgage$1,239$2,860$3,489$1,208+$31 (+2.6%)
Median tax, no mortgage$710$2,448$2,576$662+$48 (+7.3%)
Median home value$199,200$375,800$332,700$176,600+$22,600 (+12.8%)
Total taxes paid$426,800$941,386,100$360,573,527,500$382,900

How Carter County compares

  • Per $1,000 of home value, owners here paid about $2.04 a year, against $6.14 statewide and $9.40 nationally.
  • Homes with a mortgage: 0.15% of value; homes without one: 0.22%. Median bills: $1,239 and $710.
  • Compared with the 2019–2023 survey, the effective rate fell (−0.09 pts) and the median tax changed +$122 (+15.6%). 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 0.20% ± 0.09% at 90% confidence, from a sample of the 373 owner-occupied homes.

Montana counties with similar rates

Closest effective property tax rates in Montana, 2020–2024
CountyEffective rateMedian taxMedian value
Madison County0.34%$1,937$470,100
Sweet Grass County0.36%$1,615$330,100
Park County0.38%$2,641$467,500
Ravalli County0.41%$2,380$476,600
Sanders County0.46%$1,889$359,000
Lake County0.48%$2,561$421,800
Lincoln County0.50%$1,615$296,500
Judith Basin County0.50%$1,066$238,300

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.

All Montana counties · How we compute rates