ZIP code 57657: Trail City, SD
57657 is a ZIP code in Trail City, South Dakota, mainly in Corson County. About 247 people live here.
- Population
- 247
- Median household income
- —
- Typical home value
- $57,100ACS median value
- Median rent
- —gross, per month
- Median age
- 38.9
- Homeowners
- 88%of occupied homes
Shaded: ZIP code 57657's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57657 details
| City | Trail City |
|---|---|
| State | South Dakota |
| County | Corson County (also partly Dewey County) |
| Metro area | Not in a metro or micro area |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 191.2 sq mi, plus 2.4 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 14.4% of adults 25+ |
| Center coordinates | 45.51888, -100.79216 |
ZIP codes near 57657
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57639 | Little Eagle, SD | 11.1 mi | 290 |
| 57630 | Glencross, SD | 13.0 mi | 11 |
| 57658 | Wakpala, SD | 15.2 mi | 319 |
| 57656 | Timber Lake, SD | 16.6 mi | 1,000 |
| 57642 | Mc Laughlin, SD | 19.2 mi | 1,969 |
| 57661 | Whitehorse, SD | 19.6 mi | 177 |
| 57621 | Bullhead, SD | 22.4 mi | 294 |
| 57601 | Mobridge, SD | 24.2 mi | 3,422 |
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
Buying a home in 57657?
A typical home in ZIP code 57657 is worth about $57,100 (ACS median value). See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
About ZIP code 57657
What city is ZIP code 57657?
ZIP code 57657 is in Trail City, SD, in Corson County.
What county is ZIP code 57657 in?
57657 is mainly in Corson County, South Dakota, and partly in Dewey County.
What is the population of ZIP code 57657?
About 247 people live in ZIP code 57657, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57657 in?
57657 is in Mountain Time (UTC−7). It observes daylight saving time.