ZIP code 57339: Fort Thompson, SD
57339 is a ZIP code in Fort Thompson, South Dakota, mainly in Buffalo County. About 1,390 people live here.
- Population
- 1,390
- Median household income
- $46,136
- Typical home value
- $121,700ACS median value
- Median rent
- $605gross, per month
- Median age
- 21.3
- Homeowners
- 43.5%of occupied homes
Shaded: ZIP code 57339's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57339 details
| City | Fort Thompson |
|---|---|
| State | South Dakota |
| County | Buffalo 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 | 54.2 sq mi, plus 10.5 sq mi of water |
| Population density | 26 people per sq mi |
| Bachelor's degree or higher | 7.2% of adults 25+ |
| Average commute | 10.8 minutes |
| Center coordinates | 44.12668, -99.46392 |
Median rent in 57339 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $444/mo |
| 2 bedrooms | $1,017/mo |
| 3 bedrooms | $659/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 57339
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57548 | Lower Brule, SD | 6.8 mi | 1,442 |
| 57346 | Stephan, SD | 8.5 mi | 13 |
| 57341 | Gann Valley, SD | 17.3 mi | 79 |
| 57569 | Reliance, SD | 19.0 mi | 497 |
| 57325 | Chamberlain, SD | 21.5 mi | 3,335 |
| 57365 | Oacoma, SD | 21.9 mi | 599 |
| 57326 | Chamberlain, SD | 22.8 mi | — |
| 57540 | Holabird, SD | 24.2 mi | 223 |
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 57339?
A typical home in ZIP code 57339 is worth about $121,700 (ACS median value). The median household here earns $46,136 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $121,700 homeWhat can a $46,136 income afford?Rental property numbers
About ZIP code 57339
What city is ZIP code 57339?
ZIP code 57339 is in Fort Thompson, SD, in Buffalo County.
What county is ZIP code 57339 in?
57339 is mainly in Buffalo County, South Dakota.
What is the population of ZIP code 57339?
About 1,390 people live in ZIP code 57339, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57339 in?
57339 is in Central Time (UTC−6). It observes daylight saving time.