South Dakota · FIPS 46041 · ACS 2020–2024
Dewey County, South Dakota property tax rate
Homeowners in Dewey County paid a median of $1,050 a year in real estate taxes on a median home value of $69,600 (2020–2024 survey). Taxes came to 0.95% of home value, 5% below the South Dakota rate of 1.00% and 1% above the U.S. rate of 0.94%.
- 0.95%Effective tax rate±0.26% margin · South Dakota: 1.00%
- $1,050Median tax per yearSouth Dakota: $2,724 · U.S.: $3,119
- $69,600Median home valueSouth Dakota: $257,400
- 1,036Owner-occupied homes61% of households own
Small sample. This estimate has a wide margin of error, so treat it as a rough guide.
| Measure | Dewey County | South Dakota | U.S. | Dewey County 2019–2023 | Change |
|---|---|---|---|---|---|
| Effective tax rate | 0.95% | 1.00% | 0.94% | 0.83% | +0.12 pts |
| Median tax, all owners | $1,050 | $2,724 | $3,119 | $1,009 | +$41 (+4.1%) |
| Median tax, with a mortgage | $1,424 | $2,955 | $3,489 | $1,308 | +$116 (+8.9%) |
| Median tax, no mortgage | $872 | $2,390 | $2,576 | $810 | +$62 (+7.7%) |
| Median home value | $69,600 | $257,400 | $332,700 | $75,400 | −$5,800 (-7.7%) |
| Total taxes paid | $1,100,100 | $761,479,200 | $360,573,527,500 | $999,000 |
How Dewey County compares
- Per $1,000 of home value, owners here paid about $9.46 a year, against $9.97 statewide and $9.40 nationally.
- Homes with a mortgage: 0.81% of value; homes without one: 1.06%. Median bills: $1,424 and $872.
- Compared with the 2019–2023 survey, the effective rate rose (+0.12 pts) and the median tax changed +$41 (+4.1%). 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 0.95% ± 0.26% at 90% confidence, from a sample of the 1,036 owner-occupied homes.
South Dakota counties with similar rates
| County | Effective rate | Median tax | Median value |
|---|---|---|---|
| Grant County | 0.92% | $1,557 | $171,000 |
| McCook County | 0.92% | $2,444 | $230,100 |
| Lake County | 0.93% | $2,546 | $247,600 |
| Kingsbury County | 0.93% | $1,704 | $169,500 |
| Codington County | 0.96% | $2,308 | $237,700 |
| Charles Mix County | 0.97% | $1,878 | $170,600 |
| Aurora County | 0.97% | $1,574 | $151,900 |
| Perkins County | 0.97% | $1,478 | $114,600 |
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.