| ZIP Code | 57231 |
|---|---|
| City | De Smet |
| State | South Dakota (SD) |
| County | Kingsbury County |
| Area Code | 605 |
| Elevation | 1,712 ft |
| Latitude | 44.375816 |
|---|---|
| Longitude | -97.582277 |
| Timezone | Chicago (DST) |
| FIPS | 46077 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 42.1 yrs ↓ 6% since 2019 |
|---|---|
| Avg Household Size | 2.47 |
| Below Poverty | 7.4% ▼ 26% below avg |
| College Grads | 43.4% ▲ 12% above avg |
| Unemployment | 0.0% ▼ 100% below avg |
| No HS Diploma | 5 (0.4%) |
| HS Graduate | 470 (41.1%) |
| Some College | 93 (8.1%) |
| Associates | 80 (7%) |
| Bachelors | 178 (15.6%) |
| Graduate Degree | 318 (27.8%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $69,375 ▼ 9% below avg |
|---|---|
| Median Home Value | $173,600 ▼ 38% below avg ↑ 47% since 2019 |
| Home/Income Ratio | 2.5x (nat avg ~3.5x) |
| Median Rent | $748/mo ↑ 97% since 2019 |
| Total Units | 861 |
| Vacant Units | 165 |
| Avg HH Size | 2.47 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 861 |
|---|---|
| Vacant | 165 |
| Owner Occupied | 82.9% |
| Renter Occupied | 17.1% |
| Avg HH Size | 2.47 |
ZIP code 57231 is located in De Smet, South Dakota, within Kingsbury County. With a population of 1,769, this is a sparsely populated ZIP code with a middle-aged community — the median age is 42.1 years. Economically, 57231 is a solidly middle-class ZIP code: the median household income of $69,375 is near the national average.
Real estate in ZIP code 57231 represents an affordable housing market. The median home value of $173,600 is below the national average. Renters can expect to pay around $748 per month in median rent. Homeownership is strong here — 82.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 47% since 2019.
The population of 57231 is primarily White (95.03%). Residents are well-educated — 43.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 7.4%.
As in most parts of the country, driving alone is the dominant commute mode at 82%.
Overall, ZIP code 57231 in De Smet, SD is characterized as solidly middle-class, well-educated, a middle-aged community, and predominantly owner-occupied. With 1,769 residents, a median household income of $69,375, and a median home value of $173,600, it offers a clear picture of life in this part of South Dakota.