Lake County, South Dakota
34 public bodies govern here, 3 school districts are based here, and USDA lists 1 farmers market. Everything below says where it came from.
In four numbers
- People
- 10,972
- Median household income
- $76,808
- ±7,301
- Unemployed
- 3.0%
- 174 of 5,890 in the labour force
- Homes with broadband
- 86.6%
- 4,085 of 4,716 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Lake | 10,851 (2021) | 200 E Center St, Madison | — |
Cities, towns and villages 5
| Name | People | Office | Website |
|---|---|---|---|
| City of Madison | 6,071 (2021) | 116 W Center St, Madison | Website |
| Town of Brant Lake | 54 (2021) | Po Box 4, Brant Lake | — |
| Town of Nunda | 47 (2021) | Po Box 125, Nunda | — |
| Town of Ramona | 156 (2021) | Po Box 37, Ramona | — |
| Town of Wentworth | 171 (2021) | Po Box 98, Wentworth | Website |
Townships 16
| Name | People | Office | Website |
|---|---|---|---|
| Township of Badus | 91 (2021) | 22034 452nd Ave, Arlington | — |
| Township of Chester | 655 (2021) | 23939 466th Ave, Colman | — |
| Township of Clarno | 68 (2021) | 44414 241st St, Winfred | — |
| Township of Concord | 90 (2021) | 44570 227th St, Ramona | — |
| Township of Farmington | 200 (2021) | 45038 232nd St, Madison | — |
| Township of Franklin | 339 (2021) | 24183 456th Ave, Madison | — |
| Township of Herman | 661 (2021) | 28550 229th St, Draper | — |
| Township of Lake View | 786 (2021) | 23711 Sd Highway 19, Madison | — |
| Township of Le Roy | 188 (2021) | 22796 457th Ave, Madison | — |
| Township of Nunda | 110 (2021) | 45981 223rd St, Nunda | — |
| Township of Orland | 89 (2021) | 24095 451st Ave, Madison | — |
| Township of Rutland | 186 (2021) | 46446 230th St, Wentworth | — |
| Township of Summit | 185 (2021) | 22081 464th Ave, Volga | — |
| Township of Wayne | 82 (2021) | 44585 225th St, Ramona | — |
| Township of Wentworth | 500 (2021) | 23309 466th Avenue, Wentworth | — |
| Township of Winfred | 122 (2021) | 23712 444th Ave, Winfred | — |
Special districts 12
| Name | What it does | Office | Website |
|---|---|---|---|
| Heartland Consumers Power District | Electric power utility | P.o. Box 248, Madison | Website |
| Best Point Road District | Highways | 106 Best Point Dr, Madison | — |
| Horizon Heights Road District | Highways | 4401 Horizon Hts, Chester | — |
| Lake Park Road District | Highways | 6697 Wentworth Park Dr, Wentworth | — |
| Penola Road District | Highways | 6614 Peninsula Lane, Wentworth | — |
| Chester Fire District | Local fire protection | 405 3rd Avenue, Chester | — |
| Wentworth Fire District | Local fire protection | Po Box 128, Wentworth | — |
| Brant Lake Sanitary District | Sewerage | Po Box 235, Chester | — |
| Lake Herman Sanitary District | Sewerage | 200 E Center St, Madison | — |
| Lake Madison Sanitary District | Sewerage | Po Box 123, Madison | — |
| Chester Sanitary District | Sewerage and water supply | Po Box 188, Chester | — |
| Lake County Conservation District | Soil and water conservation | 123 Sw 2nd St, Madison | — |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
Chester Area School District 39-1
School district7 schools
102 2nd Ave, Chester, SD, 57016
Its website — where its board posts meetings. Federal record.
Madison Central School District 39-2
School district3 schools
800 NE 9th St, Madison, SD, 57042
Its website — where its board posts meetings. Federal record.
Oldham-Ramona-Rutland School District 39-6
School district6 schools
102 School St, Rutland, SD, 57054
Its website — where its board posts meetings. Federal record.
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
Madison Farmers' Market
208 Center St. E., Madison Public Library, Madison, SD, 57042
Gathered by USDA from the web; USDA record last changed 2023-03-27. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.