Alpena, South Dakota
Alpena: township in Jerauld County, South Dakota.
About
Alpena is a township located in the county of Jerauld in the U.S. state of South Dakota. Its population at the 2010 census was 68. After 10 years in 2020 city had an estimated population of 68 inhabitants.
Quick Facts about Alpena
| Population | 68 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| County | Jerauld County |
| Latitude & Longitude | 44.1814,-98.3657 |
| Time Zone | America/Chicago |
| Local time | 20:23:37 (6th November 2026) |
| Postal code | 57312 |
| Population growth | 0% (2010-2020) |
| Weather | 43℉ Mostly Cloudy 7-days weather |
Geography
Alpena is located at 44°10'53"N 98°21'56"W (44.1813800, -98.3656500).
Alpena map
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Weather
43°F
Mostly Cloudy
5 to 10 mph SSE
Today
Mostly cloudy, with a high near 43. South southeast wind 5 to 10 mph.
7-Day ForecastDemographics
The population of Alpena increased by 0% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 68 | - | census |
| 2011 | 67 | -1.47% | estimation process |
| 2012 | 68 | 1.49% | estimation process |
| 2013 | 69 | 1.47% | estimation process |
| 2014 | 68 | -1.45% | estimation process |
| 2015 | 67 | -1.47% | estimation process |
| 2016 | 67 | 0% | estimation process |
| 2017 | 67 | 0% | estimation process |
| 2018 | 67 | 0% | estimation process |
| 2019 | 67 | 0% | estimation process |
| 2020 | 68 | 1.49% | estimation process |
Alpena zip code is 57312.
County name: Jerauld, County
fips: 46073
Closest post offices linked to Alpena.
| Post Office Name | City | ZIP |
|---|---|---|
| Alpena Post Office | Alpena (SD) | 57312 |
| Woonsock Post Office | Woonsocket (SD) | 57385 |
| Wessington Spring Post Office | Wessington Springs (SD) | 57382 |
| Huron Post Office | Huron (SD) | 57350 |
| Wolsey Post Office | Wolsey (SD) | 57384 |