Lake County, South Dakota
Lake County, South Dakota · ZIP 57016, 57042, 57050
- Census data · ACS 2019-2023
- 11,006 (2024 estimate)Population
- 4,632Households
- $73,792Median household income
- $231,000Median home value
- 27Towns with a page
- 8ZIP codes
Lake County in numbersOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 11,276 |
| 2010 | 11,200 |
| 2020 | 11,059 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 46, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 46, retrieved November 14, 2026.
Median household income $73,792 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 46, retrieved November 14, 2026.
- Owner occupied
- 3,309 units
- Renter occupied
- 1,323 units
- Vacancy rate
- 19.4%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.
3,907 employees in 339 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 46, retrieved November 14, 2026.
| Measure | Lake County | South Dakota |
|---|---|---|
| Population | 11,052 | 899,194 |
| Median household income | $73,792 | $72,421 |
| Median age | 43.7 | 37.7 |
| Median home value | $231,000 | $236,800 |
| Bachelor’s degree or higher | 34.7% | 31.1% |
| Foreign-born residents | 2.6% | 3.9% |
| Owner-occupied homes | 71.4% | 68.6% |
| Mean commute to work | 15.7 minutes | 17.6 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 46, retrieved November 14, 2026.
Townships, towns and villages in Lake County27 with a page · sort by any column
| Type | |||
|---|---|---|---|
| Madison | City | 6,086 | 4.62 sq mi |
| Lake Madison | Census designated place | 885 | 4.71 sq mi |
| Lake View Township | Township | 817 | 28.5 sq mi |
| Chester Township | Township | 690 | 33.2 sq mi |
| Herman Township | Township | 681 | 32.6 sq mi |
| Wentworth Township | Township | 513 | 34.1 sq mi |
| Franklin Township | Township | 327 | 35.9 sq mi |
| Chester | Census designated place | 215 | 0.82 sq mi |
| Brant Lake South | Census designated place | 210 | 0.53 sq mi |
| Farmington Township | Township | 209 | 35.9 sq mi |
| Le Roy Township | Township | 196 | 36.0 sq mi |
| Rutland Township | Township | 191 | 35.9 sq mi |
| Summit Township | Township | 187 | 35.0 sq mi |
| Wentworth | Village | 169 | 0.25 sq mi |
| Ramona | Town | 161 | 0.27 sq mi |
| Winfred Township | Township | 127 | 36.3 sq mi |
| Nunda Township | Township | 112 | 34.5 sq mi |
| Orland Township | Township | 95 | 35.8 sq mi |
| Badus Township | Township | 93 | 35.1 sq mi |
| Concord Township | Township | 93 | 36.3 sq mi |
| Wayne Township | Township | 84 | 35.5 sq mi |
| Clarno Township | Township | 70 | 36.1 sq mi |
| Brant Lake | City | 56 | 0.15 sq mi |
| Nunda | Town | 49 | 1.01 sq mi |
| Rustic Acres Colony | Census designated place | 33 | 1.00 sq mi |
| Winfred | Census designated place | 29 | 1.00 sq mi |
| Graceville Colony | Census designated place | 0 | 0.46 sq mi |
Populations: Census Population Estimates, Vintage 2024: subcounty totals, state 46 (2024). Land areas: Census Gazetteer 2025: counties. A dash means the figure is not in the cited file.
County officialsFrom public records
No county official is published yet. Names appear once a researcher drafts them from the county’s own site and a second person approves; office contacts only, never personal details.
Across Lake County
No job is posted in Lake County’s towns yet. Employers post from their business dashboard; public job banks are added once their terms are recorded.
No upcoming event is listed in Lake County's towns yet. Members and businesses add events from any town page.
Nothing has been posted in Lake County’s towns yet. Join a town to start its feed.
Neighboring counties
Neighboring counties
- Brookings CountyPopulation 36,359 (2024 estimate)
- Kingsbury CountyPopulation 5,261 (2024 estimate)
- McCook CountyPopulation 5,771 (2024 estimate)
- Miner CountyPopulation 2,303 (2024 estimate)
- Minnehaha CountyPopulation 208,639 (2024 estimate)
- Moody CountyPopulation 6,529 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 46, retrieved November 14, 2026.