Hamlin County, South Dakota
Hamlin County: County in South Dakota, United States of America
About
Hamlin County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 5,903 and a population density of 4 people per km². After 10 years in 2020 county had an estimated population of 6,234 inhabitants. Its county seat is Hayti. The county was created 152 years ago in 1872.
Quick Facts about Hamlin County
| Population : | 6,234 (2020) |
| Country : | United States of America |
| State : | South Dakota (United States) |
| Area : | 1393 km2 |
| Water as percent of area : | 5.7% |
| Land as percent of area : | 94.3% |
| Named for : | Hannibal Hamlin |
| Altitude : | 1,752 feet / 534 meters |
| Capital : | Hayti |
| Establishment : | January 01, 1873 |
| Time Zone : | UTC−06:00 |
| Local time : | 11:34:09 (22nd February 2025) |
| Density : | 4 Pop. per km² as of 2020 |
| Population growth : | 5.31% (2010-2020) |
Geography
Hamlin County is located at 44°40'26"N 97°11'18"W (44.6737600, -97.1883300). It has 5 neighbors: Brookings County, Clark County, Codington County, Deuel County and Kingsbury County.
Hamlin County map
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The largest city of Hamlin County is Lake Norden with a population of 540. Other cities include and Bryant population 330. See all Hamlin County cities & populated places.
Hamlin County Populated Places
Cities, towns, neighborhoods & other populated places in Hamlin County.
| City Name | Population | Title |
|---|---|---|
| Lake Norden | 540 | City in South Dakota, United States of America |
| Estelline | 351 | Township in Hamlin County, South Dakota |
| Bryant | 330 | City in Hamlin County, South Dakota, United States. |
| Hayti | 309 | Township in Hamlin County, South Dakota |
| Dempster | 271 | Township in Hamlin County, South Dakota |
| Castlewood | 247 | Township in Hamlin County, South Dakota |
| Hazel | 86 | Town in South Dakota, United States of America |
Hamlin County has 5 neighbours.
- Brookings County county in South Dakota, United States of America
- Clark County county in South Dakota, United States
- Codington County county in South Dakota, United States of America
- Deuel County county in South Dakota, United States
- Kingsbury County county in South Dakota, United States of America
- Hayti
Demographics
The population of Hamlin County increased by 5.31% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 5,903 | - | census |
| 2011 | 5,965 | 1.04% | estimation process |
| 2012 | 5,947 | -0.3% | estimation process |
| 2013 | 5,928 | -0.32% | estimation process |
| 2014 | 5,954 | 0.44% | estimation process |
| 2015 | 5,976 | 0.37% | estimation process |
| 2016 | 5,917 | -1% | estimation process |
| 2017 | 5,998 | 1.35% | estimation process |
| 2018 | 6,070 | 1.19% | estimation process |
| 2019 | 6,164 | 1.52% | estimation process |
| 2020 | 6,234 | 1.12% | estimation process |
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 |
