Willow Lake, South Dakota
Willow Lake: City in South Dakota, United States
About
Willow Lake is a city located in the county of Clark in the U.S. state of South Dakota. Its population at the 2010 census was 263 and a population density of 270 people per km². After 10 years in 2020 city had an estimated population of 244 inhabitants.
Quick Facts about Willow Lake
| Population : | 244 (2020) |
| Country : | United States of America |
| State : | South Dakota (United States) |
| County : | Clark County |
| Postal code : | 57278 |
| Phone Area Codes : | 605 |
| Area : | 0.98 km2 |
| Altitude : | 1,785 feet / 544 meters |
| Time Zone : | America/Chicago |
| Local time : | 13:50:36 (5th December 2025) |
| Density : | 250 Pop. per km² as of 2020 |
| Population growth : | -7.79% (2010-2020) |
Geography
Willow Lake is located at 44°37'39"N 97°38'13"W (44.6274700, -97.6370300).
Willow Lake map
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Demographics
According to census records, the population of Willow Lake decreased by 7.79% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 263 | - | census |
| 2011 | 250 | -5.2% | estimation process |
| 2012 | 246 | -1.63% | estimation process |
| 2013 | 245 | -0.41% | estimation process |
| 2014 | 244 | -0.41% | estimation process |
| 2015 | 242 | -0.83% | estimation process |
| 2016 | 240 | -0.83% | estimation process |
| 2017 | 242 | 0.83% | estimation process |
| 2018 | 245 | 1.22% | estimation process |
| 2019 | 243 | -0.82% | estimation process |
| 2020 | 244 | 0.41% | estimation process |
Willow Lake zip code is 57278.
County name: Clark, County
fips: 46025
Schools in Willow Lake
College & universities near Willow Lake, SD
| Code | Name | City | ZIP |
|---|---|---|---|
| 219143 | Lake Area Technical College | Watertown (SD) | 57201-0730 |
Post offices near Willow Lake
| Post Office Name | City | ZIP |
|---|---|---|
| Willow Lak Post Office | Willow Lake (SD) | 57278 |
Other cities in Clark County
Cities, towns, neighborhoods & other populated places in Clark County , SD.
| City Name | Population | Title |
|---|---|---|
| Elrod | 99 | Township in Clark County, South Dakota |
| Bradley | 79 | Town in South Dakota, United States of America |
| Raymond | 71 | Town in Clark County, South Dakota, United States |
| Garden City | 59 | Town in South Dakota, United States of America |
| Naples | 49 | Town in South Dakota, United States |
| Vienna | 46 | Town in South Dakota, United States of America |
