Moreau, South Dakota
Moreau: township in Perkins County, South Dakota
About
Moreau is a township located in the county of Dewey in the U.S. state of South Dakota. Its population at the 2010 census was 20. After 10 years in 2020 city had an estimated population of 27 inhabitants.
Quick Facts about Moreau
| Population | 27 (2020) |
| Country | United States of America |
| State | South Dakota (United States) |
| County | Dewey County |
| Latitude & Longitude | 45.3558,-100.3979 |
| Time Zone | America/Denver |
| Local time | 17:13:09 (22nd April 2026) |
| Population growth | 25.93% (2010-2020) |
| Weather | 51℉ Mostly Clear 7-days weather |
Geography
Moreau is located at 45°21'21"N 100°23'52"W (45.3558200, -100.3979100).
Moreau map
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Weather
51°F
Mostly Clear
15 mph SE
Tuesday Night
Mostly clear, with a low around 51. Southeast wind around 15 mph, with gusts as high as 26 mph.
7-Day ForecastDemographics
The population of Moreau increased by 25.93% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 20 | - | census |
| 2011 | 29 | 31.03% | estimation process |
| 2012 | 30 | 3.33% | estimation process |
| 2013 | 29 | -3.45% | estimation process |
| 2014 | 29 | 0% | estimation process |
| 2015 | 29 | 0% | estimation process |
| 2016 | 29 | 0% | estimation process |
| 2017 | 29 | 0% | estimation process |
| 2018 | 28 | -3.57% | estimation process |
| 2019 | 28 | 0% | estimation process |
| 2020 | 27 | -3.7% | estimation process |
Closest post offices linked to Moreau.
| Post Office Name | City | ZIP |
|---|---|---|
| Mobridg Post Office | Mobridge (SD) | 57601 |
Other cities in Dewey County
Cities, towns, neighborhoods & other populated places in Dewey County , SD.
| City Name | Population | Title |
|---|---|---|
| North Eagle Butte | 1,954 | Census designated place in Dewey County, South Dakota, United States |
| Eagle Butte | 1,418 | City in Dewey and Ziebach counties in South Dakota, United States |
| Timber Lake | 491 | City in and county seat of Dewey County, South Dakota, United States |
| Virginia | 292 | Township in Union County, South Dakota |
| Isabel | 150 | Town in Dewey County, South Dakota, United States |
| Firesteel | 35 | Unincorporated community in South Dakota |