Property tax in Corson County, South Dakota

By Brent Chudoba, editor Updated September 23, 2026

The median property tax bill in Corson County, South Dakota is $1,009 a year, which is about 1.45% of the county's median home value of $69,800. That effective rate is higher than the typical South Dakota county (1.02%) and higher than the national median (0.81%). These are American Community Survey 5-year estimates (2024); your own bill depends on your home's assessed value and any exemptions.

Estimate the property tax on a home in Corson County

Enter a home's market value for a ballpark at Corson County's average effective rate of 1.45% (Census). The real bill depends on the home's assessed value, the millage where it sits and any exemptions.

Home market value

Estimated property tax: $1,012 / year

Property tax in Corson County at a glance

Corson County, South Dakota property tax (Census ACS, reviewed September 23, 2026)
Measure	Value
Median annual property tax	$1,009
Median home value	$69,800
Effective tax rate	1.45%
Typical South Dakota county rate	1.02%
National median county rate	0.81%

Effective rate = median real estate taxes paid divided by median home value. Source: U.S. Census Bureau, American Community Survey 5-year estimates.

How does Corson County compare in South Dakota?

Among South Dakota's 66 counties, Corson County has the 4th highest effective property-tax rate: 3 rank higher and 62 rank lower. That places it among the most heavily taxed counties in the state. Nationally, it ranks 414th of 3135 US counties by effective rate. See every South Dakota county ranked.

How much do homeowners in Corson County actually pay?

The median is only the middle bill. Across Corson County's 667 owner-occupied homes, 10.6% pay $3,000 or more a year in property tax, 15.1% pay at least $2,000, and 22.5% pay under $800. Another 25.3% report paying no property tax at all, which usually means an exemption covers the whole bill.

Annual property tax paid by Corson County homeowners (Census ACS 2020-2024)
Annual bill	Homes	Share
Under $800	150	22.5%
$800 to $1,499	204	30.6%
$1,500 to $1,999	43	6.4%
$2,000 to $2,999	30	4.5%
$3,000 or more	71	10.6%
No property tax paid	169	25.3%

Owners with a mortgage pay a median of $986 and owners without one pay $1,021. That is within 10% either way, so in Corson County paying off the house does not go with a noticeably different bill. Census table B25103.

How does the Corson County property tax bill compare with local incomes?

The median property tax bill of $1,009 is about 1.5% of the median income of Corson County homeowner households, $67,731 a year. That compares two middles, so a retiree in a long-held home can pay a far larger share. 59.1% of Corson County's occupied homes are lived in by their owners; renters pay property tax too, just folded into rent.

Have property taxes gone up in Corson County?

Yes. The median bill went from $815 in 2015-2019 to $1,009 in 2020-2024, a 23.8% rise. Over the same span the median home value moved 19.3%, from $58,500 to $69,800.

Two Census ACS 5-year periods with no survey years in common, in each period's own dollars. A change counts only if it exceeds the combined 90% margin of error.

Property tax in counties next to Corson County

Corson County borders 8 counties, 3 of them across the state line.

Corson County and its neighbors, highest effective rate first (Census ACS 2020-2024)
County	Effective rate	Median bill	Median home value
Dewey County, SD	1.51%	$1,050	$69,600
Corson County, SD (this county)	1.45%	$1,009	$69,800
Walworth County, SD	1.31%	$1,792	$136,600
Perkins County, SD	1.29%	$1,478	$114,600
Campbell County, SD	1.18%	$1,368	$115,900
Adams County, ND	1%	$1,130	$113,200
Emmons County, ND	0.91%	$1,063	$117,200
Ziebach County, SD	0.62%	$613	$99,600
Sioux County, ND	0.49%	$420	$85,400

How is a home assessed in Corson County?

South Dakota assesses homes at 85% of market value in every county, Corson County included. How South Dakota assesses and reappraises homes.

Is there a homestead exemption in Corson County?

Not as a dollar amount. A South Dakota home you own and live in gets the owner-occupied classification, which lowers the school general fund levy. File the certificate with the county director of equalization by March 15. That is the South Dakota rule, and it applies in Corson County. South Dakota's exemptions and relief programs in full.

When are property taxes due in Corson County?

Taxes are due and payable January 1 of the year after the assessment, collected by the county treasurer. You can split the bill: pay the first half by April 30 and the second by October 31 and nothing goes delinquent. Miss those and the unpaid half becomes delinquent on May 1 or November 1 and starts accruing monthly interest. Bills of $50 or less must be paid in full by April 30, and when a deadline lands on a weekend it moves to the last working day of that month.

South Dakota splits the bill into 2 installments. That is the South Dakota rule. Corson County issues and collects the bill, so the dates printed on your statement are the ones that bind you.

How to appeal your Corson County property assessment

You contest the assessed value with the local board of equalization, then the county board of equalization, then the Office of Hearing Examiners or circuit court. The filing deadline is typically mid-March to the local board, with the county board about three weeks later; the exact dates shift each year. That is the South Dakota rule; Corson County sets the exact dates and forms. The South Dakota appeal process step by step.

South Dakota rules from primary state sources, reviewed September 7, 2026; sources on the South Dakota page.

Work out your own numbers

Sources

Median real estate taxes paid and median home value for Corson County, South Dakota: U.S. Census Bureau, American Community Survey 5-year estimates (2020-2024), tables B25103, B25077, B25102, B25119 and B25003; the five-year comparison uses the 2015-2019 estimates. Neighboring counties: Census county adjacency file.