| ZIP Code | 57051 |
|---|---|
| City | Oldham |
| State | South Dakota (SD) |
| County | Kingsbury County |
| Area Code | 605 |
| Elevation | 1,706 ft |
| Latitude | 44.217416 |
|---|---|
| Longitude | -97.350687 |
| Timezone | Chicago (DST) |
| FIPS | 46077 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 60.0 yrs ↑ 68% since 2019 |
|---|---|
| Avg Household Size | 1.71 |
| Below Poverty | 10.5% ≈ Avg |
| College Grads | 47.6% ▲ 23% above avg |
| Unemployment | 0.0% ▼ 100% below avg |
| HS Graduate | 50 (34%) |
| Some College | 14 (9.5%) |
| Associates | 13 (8.8%) |
| Bachelors | 30 (20.4%) |
| Graduate Degree | 40 (27.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $46,250 ▼ 39% below avg ↓ 22% since 2019 |
|---|---|
| Median Home Value | $100,000 ▼ 64% below avg ↑ 76% since 2019 |
| Home/Income Ratio | 2.2x (nat avg ~3.5x) |
| Median Rent | $388/mo ↓ 30% since 2019 |
| Total Units | 148 |
| Vacant Units | 42 |
| Avg HH Size | 1.71 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 148 |
|---|---|
| Vacant | 42 |
| Owner Occupied | 84.9% |
| Renter Occupied | 15.1% |
| Avg HH Size | 1.71 |
ZIP code 57051 is located in Oldham, South Dakota, within Kingsbury County. With a population of 181, this is a sparsely populated ZIP code with an older community — the median age is 60 years. Economically, 57051 is a working-class ZIP code: the median household income of $46,250 is below the national average.
Real estate in ZIP code 57051 represents one of the more affordable housing markets in the country. The median home value of $100,000 is well below the national average. Renters can expect to pay around $388 per month in median rent. Homeownership is strong here — 84.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 76% since 2019.
The population of 57051 is primarily White (92.82%). Residents are well-educated — 47.6% hold a bachelor's degree or higher, which is above the national average. Poverty affects some residents at 10.5%. Household income has declined by 22% since 2019.
About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.
Overall, ZIP code 57051 in Oldham, SD is characterized as working-class, well-educated, an older community, and predominantly owner-occupied. With 181 residents, a median household income of $46,250, and a median home value of $100,000, it offers a clear picture of life in this part of South Dakota.