Bennett County, South Dakota
Bennett County: county in South Dakota, United States
About
Bennett County is a county located in the U.S. state of South Dakota. As of the 2010 census, the population was 3,431 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 3,399 inhabitants. Its county seat is Martin. The county was created 117 years ago in 1908.
County Snapshot
Bennett County at a glance
Bennett County currently has 4 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
4
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
BateslandPopulation 113
Top linked places
Quick Facts about Bennett County
| Population | 3,399 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| Area | 3084 km2 |
| Water as percent of area | 0.5% |
| Land as percent of area | 99.5% |
| Latitude & Longitude | 43.1949,-101.6640 |
| Named for | Granville G. Bennett |
| Altitude | 3,251 feet / 991 meters |
| Capital | Martin |
| Establishment | January 01, 1909 |
| Time Zone | UTC−07:00 |
| Local time | 20:13:13 (16th April 2026) |
| Density | 1 Pop. per km² as of 2020 |
| Population growth | -0.94% (2010-2020) |
| Weather | 43℉ Mostly Clear 7-days weather |
Geography
Bennett County is located at 43°11'42"N 101°39'50"W (43.1949200, -101.6639700). It has 3 neighbors: Cherry County, Jackson County and Todd County.
Bennett County map
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The largest city of Bennett County is Batesland with a population of 113. Other cities include, Blackpipe population 59 and Martin population 2. See all Bennett County cities & populated places.
Bennett County Populated Places
Cities, towns, neighborhoods & other populated places in Bennett County.
| City Name | Population | Title |
|---|---|---|
| Batesland | 113 | Town in South Dakota, United States of America |
| Allen | 88 | Census-designated place in Bennett County, South Dakota |
| Blackpipe | 59 | Unincorporated community in South Dakota |
| Martin | 2 | City in and county seat of Bennett County, South Dakota, United States |
Weather
Mostly clear, with a low around 43.
7-Day Forecast- Martin
Demographics
According to census records, the population of Bennett County decreased by 0.94% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 3,431 | - | census |
| 2011 | 3,449 | 0.52% | estimation process |
| 2012 | 3,450 | 0.03% | estimation process |
| 2013 | 3,463 | 0.38% | estimation process |
| 2014 | 3,436 | -0.79% | estimation process |
| 2015 | 3,402 | -1% | estimation process |
| 2016 | 3,441 | 1.13% | estimation process |
| 2017 | 3,446 | 0.15% | estimation process |
| 2018 | 3,473 | 0.78% | estimation process |
| 2019 | 3,365 | -3.21% | estimation process |
| 2020 | 3,399 | 1% | 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 |