Saint Charles, South Dakota
Saint Charles: Situated within Gregory County in south-central South Dakota, this small unincorporated community rests on the rolling plains west of the Missouri River.
About
Saint Charles is a city located in the county of Gregory in the U.S. state of South Dakota.
Quick Facts about Saint Charles
| State | South Dakota (United States) |
| County | Gregory County |
| Latitude & Longitude | 43.0869,-99.0954 |
| Time Zone | America/Chicago |
| Local time | 05:20:43 (6th November 2026) |
| Postal code | 57571 |
| Weather | 31℉ Cloudy 7-days weather |
Geography
Saint Charles is located at 43°5'13"N 99°5'43"W (43.0869400, -99.0953700).
Saint Charles map
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Weather
31°F
Cloudy
0 to 5 mph ENE
Tonight
Cloudy, with a low around 31. East northeast wind 0 to 5 mph.
7-Day Forecast
Saint Charles zip code is 57571.
County name: Gregory, County
fips: 46053
Hampton, Sent-Charl'z, Сент-Чарльз
Closest post offices linked to Saint Charles.
| Post Office Name | City | ZIP |
|---|---|---|
| Herrick Post Office | Herrick (SD) | 57538 |
Other places with the same name (3)
- Saint Charles, Missouri A city in St. Charles County, Missouri. with a population of 71,761 people.
- Saint Charles, Maryland city in St. Charles County, Missouri, United States. with a population of 36,376 people.
- Saint Charles, Michigan village in Michigan, United States. with a population of 1,886 people.
Other cities in Gregory County
Cities, towns, neighborhoods & other populated places in Gregory County , SD.
| City Name | Population | Title |
|---|---|---|
| Gregory | 1,250 | City in Gregory County, South Dakota, United States |