Dewey County, SD property tax
Census ACS 2023 5-year estimates · updated 2026-09-20
The median effective property tax rate in Dewey County is 1.34%, above the South Dakota median of 1.09% and above the national median of 0.98%. The median homeowner pays $1,009 a year on a home worth $75,400.
- Effective rate
- 1.34%
- Median annual bill
- $1,009
- Median home value
- $75,400
- Rank in South Dakota
- 9of 65
Estimated annual bill by home value
| Home value | Estimated bill | Per month |
|---|---|---|
| $200,000 | $2,680 | $223 |
| $300,000 | $4,020 | $335 |
| $400,000 | $5,360 | $447 |
| $500,000 | $6,700 | $558 |
| $750,000 | $10,050 | $838 |
| $1,000,000 | $13,400 | $1,117 |
Dewey County compared with South Dakota and the US
| Area | Effective rate | Median bill | Median home value |
|---|---|---|---|
| Dewey County | 1.34% | $1,009 | $75,400 |
| South Dakota median | 1.09% | $2,590 | $236,800 |
| United States median | 0.98% | $2,969 | n/a |
Rates and medians: U.S. Census Bureau, ACS 2023 5-year estimates, tables B25103 and B25077. Effective rate is median taxes paid divided by median owner-occupied home value.
Frequently asked questions
What is the property tax rate in Dewey County, SD?
The median effective property tax rate in Dewey County is 1.34% of home value, above the South Dakota median of 1.09% and above the national median of 0.98%. The median homeowner pays $1,009 a year on a median home value of $75,400 (Census ACS 2023 5-year).
How much is property tax on a $400,000 house in Dewey County?
About $5,360 per year at the county's median effective rate of 1.34%, before exemptions. The exact bill depends on the city, school district and special districts that serve the parcel, so treat this as a planning estimate.
How does Dewey County compare with the rest of South Dakota?
Dewey County ranks 9 of 65 South Dakota counties by effective rate. The South Dakota median is 1.09% and the median bill is $2,590.