Sully County, South Dakota
Total Population: 1,481
County Seat: Onida
Median Home Value
$198,700
Owner-occupied units
Median Household Income
$70,250
Across all households
Median Age
51.4 yrs
Across all residents
Bachelor's Degree+
20.9%
Adults 25 and older
Nearby Counties
Demographics
14 fieldsRacial & Ethnic Composition
Under 18 Years
19.4%
65 Years and Over
23.8%
Male
55.0%
Female
45.0%
U.S. Citizens (18+)
94.9%
No Health Insurance
—
Education
3 fieldsHigh School Graduate or Higher (25+)
96.2%
Bachelor's Degree or Higher (25+)
20.9%
Enrolled in College (18+)
1.6%
Economics
6 fieldsMedian Household Income
$70,250
Mean Household Income
$106,129
Per Capita Income
$47,550
Unemployment Rate (16+)
0.0%
In Labor Force (19–64)
91.4%
SNAP / Food Stamps
5.3%
Housing & Households
13 fieldsMedian Home Value
$198,700
Median Rent
$913/mo
Total Housing Units
908
Owner-Occupied
76.1%
Renter-Occupied
23.9%
Vacancy Rate
31.3%
Married Couple Households
52.7%
Cohabiting Couple Households
6.3%
Male Householder, No Partner
27.1%
Female Householder, No Partner
13.9%
Average Household Size
2.37
Broadband Internet Access
81.4%
Housing Built Since 2010
13.4%
Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 46119.