The Town Files

Sully County, South Dakota

1,526 people. The median home is worth $205,400 (typical South Dakota town: $182,100) and the median household earns $72,578.

Towns in Sully County

Towns in Sully County

TownPeopleMedian homeIncomeMedian age
Onida666$178,600$70,00042.2

People and housing

Sully CountyTypical South Dakota town
Median home value$205,400$182,100
Median rent$842$785
Median household income$72,578$66,086
Median age46.939.5
Bachelor's degree or higher24.1%23.6%
Below the poverty line6.3%10.1%

Jobs and pay

679 jobs in 2024, average pay $55,514 a year.

Largest industries in Sully CountyAgriculture, forestry & fishi…173 jobs · $69,254Retail117 jobs · $32,653Hotels & restaurants103 jobs · $46,640Wholesale trade48 jobs · $83,574
BLS QCEW 2024.
Unemployment rate in Sully County0%2%4%2000200420082012201620202023 1.6%
BLS LAUS via USDA ERS, annual averages.

Storms since 1996

NOAA recorded 477 storm events in Sully County from 1996 to 2026.

Storm events in Sully County by type since 1996Hail127Flood10Drought36Tornado5Blizzard39High Wind71Heavy Snow28Winter Storm23Excessive Heat10Cold/Wind Chill4
NOAA NCEI Storm Events Database.

Federal disaster declarations

Sully County has been included in 16 FEMA declarations since 1953.

DeclaredIncidentDeclaration
April 5, 2020BiologicalDR-4527: Covid-19 Pandemic
March 13, 2020BiologicalEM-3475: Covid-19
June 7, 2019FloodDR-4440: Severe Winter Storm, Snowstorm, And Flooding
February 1, 2017Severe StormDR-4298: Severe Winter Storm
May 13, 2011FloodDR-1984: Flooding
May 13, 2010FloodDR-1915: Flooding
Sources: U.S. Census Bureau ACS 2020–2024; BLS QCEW and LAUS; NOAA Storm Events; FEMA OpenFEMA (not endorsed by FEMA).