ZIP code 57365: Oacoma, SD
57365 is a ZIP code in Oacoma, South Dakota, mainly in Lyman County. About 599 people live here.
- Population
- 599
- Median household income
- $76,000
- Typical home value
- $218,400ACS median value
- Median rent
- $883gross, per month
- Median age
- 41.2
- Homeowners
- 79.5%of occupied homes
Shaded: ZIP code 57365's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57365 details
| City | Oacoma |
|---|---|
| State | South Dakota |
| County | Lyman 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 | 62.5 sq mi, plus 9.5 sq mi of water |
| Population density | 10 people per sq mi |
| Bachelor's degree or higher | 23.6% of adults 25+ |
| Average commute | 14.5 minutes |
| Center coordinates | 43.81133, -99.41643 |
ZIP codes near 57365
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57326 | Chamberlain, SD | 4.3 mi | — |
| 57325 | Chamberlain, SD | 5.5 mi | 3,335 |
| 57569 | Reliance, SD | 7.6 mi | 497 |
| 57370 | Pukwana, SD | 12.4 mi | 894 |
| 57534 | Hamill, SD | 20.9 mi | 130 |
| 57544 | Kennebec, SD | 21.9 mi | 421 |
| 57339 | Fort Thompson, SD | 21.9 mi | 1,390 |
| 57355 | Kimball, SD | 24.3 mi | 1,120 |
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 57365?
A typical home in ZIP code 57365 is worth about $218,400 (ACS median value). The median household here earns $76,000 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $218,400 homeWhat can a $76,000 income afford?Rental property numbers
About ZIP code 57365
What city is ZIP code 57365?
ZIP code 57365 is in Oacoma, SD, in Lyman County.
What county is ZIP code 57365 in?
57365 is mainly in Lyman County, South Dakota.
What is the population of ZIP code 57365?
About 599 people live in ZIP code 57365, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57365 in?
57365 is in Central Time (UTC−6). It observes daylight saving time.