Union County, South Dakota property tax
The median homeowner in Union County, South Dakota pays $2,997 a year in property tax on a home worth $269,500, an effective rate of 1.11%. The national effective rate is 0.98%.
What the rate means here
Union County taxes property at 1.11%, within a rounding error of the national 0.98%. With the rate close to typical, the $2,997 bill is driven by what housing is worth here rather than by how hard it is taxed.
It ranks #16 of 36 South Dakota counties by effective rate, against a statewide 1.09%, and #833 nationally. The state runs from 2.23% in Todd County down to 0.44% in Oglala Lakota County.
The median home costs 3.2 times the median household income of $84,137, close to the national 3.86. This is a small rural county of 16,916 people. Five-year survey estimates for places this size carry wide margins of error, so treat the figures as approximate.
The rate is derived rather than quoted. How and why.
What that costs at different home values
Arithmetic at the county effective rate, before any exemption or assessment cap.
Housing and income
| Union County | South Dakota | United States | |
|---|---|---|---|
| Effective property tax | 1.11% | 1.09% | 0.98% |
| Median tax bill | $2,997 | $2,590 | $2,969 |
| Median home value | $269,500 | $236,800 | $303,400 |
| Median gross rent | $1,055 | $912 | $1,348 |
| Median household income | $84,137 | $72,421 | $78,538 |
| Home price to income | 3.2× | 3.27× | 3.86× |
| Rent as share of income | 15.05% | 15.11% | 20.6% |
| Owner-occupied | 71.27% | 68.64% | 65.02% |
Source: U.S. Census Bureau, American Community Survey 2023 five-year estimates. Population 16,916.
Nearby counties of similar size
| County | Rate | Median bill | Home value |
|---|---|---|---|
| Hughes County | 1.14% | $2,526 | $221,100 |
| Clay County | 1.30% | $2,879 | $221,800 |
| Beadle County | 1.05% | $1,879 | $178,400 |
| Davison County | 1.24% | $2,361 | $190,000 |
| Oglala Lakota County | 0.44% | $199 | $45,600 |
Union County property tax: common questions
What is the property tax rate in Union County, South Dakota?
The effective rate is 1.11% of home value, from a median tax bill of $2,997 against a median home value of $269,500. That is 0.13 points above the national 0.98%.
How much is property tax on a $400,000 home in Union County?
Roughly $4,440 a year at the county effective rate of 1.11%.
Is Union County expensive compared with the rest of South Dakota?
It ranks #16 of 36 South Dakota counties by effective property tax rate, and #833 of 2,826 nationally. That is 0.02 points above the South Dakota average of 1.09%.
What does housing cost in Union County?
The median home is worth $269,500 and median gross rent is $1,055 a month. Median household income is $84,137, which puts the home at 3.2 times annual income and rent at 15.05% of it.