Lake County, South Dakota
Lake County: county in South Dakota, United States.
About
Lake County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 11,200 and a population density of 8 people per km². After 10 years in 2020 county had an estimated population of 12,488 inhabitants. Its county seat is Madison. The county was created 153 years ago in 1872.
County Snapshot
Lake County at a glance
Lake County currently has 1 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
1
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
South Dakota counties
66
Open related pagesLargest city
MadisonPopulation 7,064
Top linked places
Quick Facts about Lake County
| Population | 12,488 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| Different from | Lake County, Lake County, Lake County, Lake and Peninsula Borough, Lake County, Lake County, Lake of the Woods County, Lake County, Lake County, Lake County, Lake County, Lake County, Lake County |
| Area | 1489 km2 |
| Water as percent of area | 2.1% |
| Land as percent of area | 97.9% |
| Latitude & Longitude | 44.0220,-97.1294 |
| Capital | Madison |
| Establishment | January 01, 1873 |
| Time Zone | America/Chicago |
| Local time | 06:15:45 (23rd September 2026) |
| Density | 8 Pop. per km² as of 2020 |
| Population growth | 11.5% (2010-2020) |
| Weather | 50℉ Cloudy 7-days weather |
Geography
Lake County is located at 44°1'19"N 97°7'46"W (44.0220400, -97.1293800). It has 6 neighbors: Brookings County, Kingsbury County, McCook County, Miner County, Minnehaha County and Moody County.
Lake County map
icon to open full mode. View satellite images
The largest city of Lake County is Madison with a population of 7,064. . See all Lake County cities & populated places.
Lake County Populated Places
Cities, towns, neighborhoods & other populated places in Lake County.
| City Name | Population | Title |
|---|---|---|
| Madison | 7,064 | City in Lake County, South Dakota, United States |
Weather
Cloudy. Low around 50, with temperatures rising to around 54 overnight. Southeast wind 10 to 15 mph.
7-Day ForecastOfficial website of Lake County
Official Website- Madison
Demographics
The population of Lake County increased by 11.5% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 11,200 | - | census |
| 2011 | 11,559 | 3.21% | estimation process |
| 2012 | 11,750 | 1.65% | estimation process |
| 2013 | 11,910 | 1.36% | estimation process |
| 2014 | 12,088 | 1.49% | estimation process |
| 2015 | 12,334 | 2.04% | estimation process |
| 2016 | 12,605 | 2.2% | estimation process |
| 2017 | 12,795 | 1.51% | estimation process |
| 2018 | 13,055 | 2.03% | estimation process |
| 2019 | 12,797 | -1.98% | estimation process |
| 2020 | 12,488 | -2.41% | estimation process |
People born in Lake County (1)
Stuntman, Actor (1901-1974) Cliff Lyons was born in Lake County
Other places with the same name (11)
- Lake County, Illinois county in Oregon, United States. with a population of 693,593 people.
- Lake County, Indiana County in Indiana, United States. with a population of 487,536 people.
- Lake County, Florida county in Florida, United States. with a population of 375,492 people.
- Lake County, Ohio county in Ohio, United States. with a population of 229,569 people.
- Lake County, California county in California, United States. with a population of 64,479 people.
- Lake County, Montana county in Montana, United States. with a population of 30,986 people.
- Lake County, Michigan county in Michigan, United States. with a population of 11,587 people.
- Lake County, Minnesota county in Minnesota, United States. with a population of 10,639 people.
- Lake County, Colorado county in Colorado, United States. with a population of 7,987 people.
- Lake County, Oregon county in Oregon, United States. with a population of 7,949 people.
- Lake County, Tennessee county in Tennessee, United States. with a population of 6,988 people.
South Dakota Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Minnehaha County | 196,659 | County in South Dakota, United States of America |
| Sioux Falls | 157,584 | The largest city in South Dakota. |
| Pennington County | 115,926 | County in South Dakota, United States of America |
| Rapid City | 77,503 | The second most populous city in South Dakota. |
| Lincoln County | 63,019 | County in South Dakota, United States |
| Brown County | 38,738 | County in South Dakota, United States |
| Brookings County | 35,603 | County in South Dakota, United States of America |
| Meade County | 28,588 | County in South Dakota, United States |
| Codington County | 28,186 | County in South Dakota, United States of America |
| Lawrence County | 26,221 | County in South Dakota, United States |
| Yankton County | 22,742 | County in South Dakota, United States |
| Watertown | 22,303 | City in and county seat of Codington County, South Dakota, United States |
| Davison County | 19,812 | County in South Dakota, United States of America |
| Beadle County | 18,513 | County in South Dakota, United States |
| Hughes County | 17,336 | County in Oklahoma, United States |
| Union County | 16,192 | County in South Dakota, United States |