Alcester, South Dakota
Alcester: township in Union County, South Dakota
About
Alcester is a township located in the county of Union in the U.S. state of South Dakota. Its population at the 2010 census was 274. After 10 years in 2020 city had an estimated population of 327 inhabitants.
Quick Facts about Alcester
| Population | 327 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| County | Union County |
| Latitude & Longitude | 43.0214,-96.6309 |
| Time Zone | America/Chicago |
| Local time | 23:59:49 (22nd April 2026) |
| Postal code | 57001 |
| Population growth | 16.21% (2010-2020) |
| Weather | 85℉ Sunny 7-days weather |
Geography
Alcester is located at 43°1'17"N 96°37'51"W (43.0213800, -96.6308700).
Alcester map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Demographics
The population of Alcester increased by 16.21% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 274 | - | census |
| 2011 | 281 | 2.49% | estimation process |
| 2012 | 288 | 2.43% | estimation process |
| 2013 | 289 | 0.35% | estimation process |
| 2014 | 295 | 2.03% | estimation process |
| 2015 | 294 | -0.34% | estimation process |
| 2016 | 301 | 2.33% | estimation process |
| 2017 | 305 | 1.31% | estimation process |
| 2018 | 315 | 3.17% | estimation process |
| 2019 | 325 | 3.08% | estimation process |
| 2020 | 327 | 0.61% | estimation process |
Alcester zip code is 57001.
County name: Union, County
fips: 46127
Irene, Linia
Nearby Schools and Colleges
Schools and campuses linked to Alcester, SD. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 219471 | University of South Dakota | Vermillion (SD) | 57069-2390 |
Closest post offices linked to Alcester.
| Post Office Name | City | ZIP |
|---|---|---|
| Alcester Post Office | Alcester (SD) | 57001 |
Other cities in Union County
Cities, towns, neighborhoods & other populated places in Union County , SD.
| City Name | Population | Title |
|---|---|---|
| North Sioux City | 2,928 | City in Union County South Dakota, United States |
| Dakota Dunes | 2,540 | Township in Union County, South Dakota |
| Beresford | 1,609 | City in South Dakota, United States of America |
| Jefferson | 1,159 | City in South Dakota, United States |
| Big Springs | 338 | Township in Union County, South Dakota |
| Elk Point | 322 | City in South Dakota, United States of America |
| Spink | 267 | Unincorporated community in South Dakota, United States |
| Emmet | 262 | Township in South Dakota, United States |
| Richland | 159 | Unincorporated community in South Dakota |