ZIP code 57571: Saint Charles, SD
57571 is a ZIP code in Saint Charles, South Dakota, mainly in Gregory County. About 22 people live here.
- Population
- 22
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- 56.5
- Homeowners
- 91.7%of occupied homes
Shaded: ZIP code 57571's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57571 details
| City | Saint Charles |
|---|---|
| State | South Dakota |
| County | Gregory County |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 10.5 sq mi |
| Population density | 2 people per sq mi |
| Bachelor's degree or higher | 15.4% of adults 25+ |
| Center coordinates | 43.04125, -99.09010 |
ZIP codes near 57571
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57538 | Herrick, SD | 6.5 mi | 236 |
| 68755 | Naper, NE | 8.2 mi | 397 |
| 57317 | Bonesteel, SD | 9.4 mi | 573 |
| 68722 | Butte, NE | 13.6 mi | 384 |
| 57523 | Burke, SD | 16.1 mi | 1,041 |
| 57335 | Fairfax, SD | 17.6 mi | 303 |
| 68753 | Mills, NE | 23.8 mi | 39 |
| 68759 | Newport, NE | 23.8 mi | 349 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 57571
What city is ZIP code 57571?
ZIP code 57571 is in Saint Charles, SD, in Gregory County.
What county is ZIP code 57571 in?
57571 is mainly in Gregory County, South Dakota.
What is the population of ZIP code 57571?
About 22 people live in ZIP code 57571, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57571 in?
57571 is in Central Time (UTC−6). It observes daylight saving time.