| ZIP Code | 57365 |
|---|---|
| City | Oacoma |
| State | South Dakota (SD) |
| County | Lyman County |
| Area Code | 605 |
| Elevation | 1,401 ft |
| Latitude | 43.811327 |
|---|---|
| Longitude | -99.416428 |
| Timezone | Chicago (DST) |
| FIPS | 46085 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 51.8 yrs ↑ 4% since 2019 |
|---|---|
| Avg Household Size | 2.23 |
| Below Poverty | 6.1% ▼ 39% below avg |
| College Grads | 33.5% ▼ 14% below avg |
| Unemployment | 4.3% ▼ 13% below avg |
| No HS Diploma | 11 (2.4%) |
| HS Graduate | 185 (40.2%) |
| Some College | 56 (12.2%) |
| Associates | 54 (11.7%) |
| Bachelors | 49 (10.7%) |
| Graduate Degree | 105 (22.8%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $63,611 ▼ 17% below avg ↓ 3% since 2019 |
|---|---|
| Median Home Value | $259,300 ≈ Avg ↑ 56% since 2019 |
| Home/Income Ratio | 4.1x (nat avg ~3.5x) |
| Median Rent | $847/mo ↑ 31% since 2019 |
| Total Units | 342 |
| Vacant Units | 64 |
| Avg HH Size | 2.23 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 342 |
|---|---|
| Vacant | 64 |
| Owner Occupied | 83.5% |
| Renter Occupied | 16.6% |
| Avg HH Size | 2.23 |
ZIP code 57365 is located in Oacoma, South Dakota, within Lyman County. With a population of 619, this is a sparsely populated ZIP code with a mature community — the median age is 51.8 years. Economically, 57365 is a solidly middle-class ZIP code: the median household income of $63,611 is below the national average.
Real estate in ZIP code 57365 represents a mid-range housing market. The median home value of $259,300 is near the national average. Renters can expect to pay around $847 per month in median rent. Homeownership is strong here — 83.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 56% since 2019.
The population of 57365 is primarily White (96.45%). Residents are moderately educated — 33.5% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 6.1%. Household income has declined by 3% since 2019.
The unemployment rate in 57365 stands at 4.3%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 79%.
Overall, ZIP code 57365 in Oacoma, SD is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 619 residents, a median household income of $63,611, and a median home value of $259,300, it offers a clear picture of life in this part of South Dakota.