| ZIP Code | 57631 |
|---|---|
| City | Glenham |
| State | South Dakota (SD) |
| County | Walworth County |
| Area Code | 605 |
| Elevation | 1,787 ft |
| Latitude | 45.589095 |
|---|---|
| Longitude | -100.296128 |
| Timezone | Chicago (DST) |
| FIPS | 46129 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 60.5 yrs ↑ 17% since 2019 |
|---|---|
| Avg Household Size | 1.75 |
| Below Poverty | 4.4% ▼ 56% below avg |
| College Grads | 31.1% ▼ 20% below avg |
| Unemployment | 19.8% ▲ 305% above avg |
| HS Graduate | 108 (39.6%) |
| Some College | 27 (9.9%) |
| Associates | 53 (19.4%) |
| Bachelors | 28 (10.3%) |
| Graduate Degree | 57 (20.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $56,250 ▼ 26% below avg ↓ 17% since 2019 |
|---|---|
| Median Home Value | $106,700 ▼ 62% below avg ↓ 15% since 2019 |
| Home/Income Ratio | 1.9x (nat avg ~3.5x) |
| Total Units | 329 |
| Vacant Units | 120 |
| Avg HH Size | 1.75 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 329 |
|---|---|
| Vacant | 120 |
| Owner Occupied | 90.4% |
| Renter Occupied | 9.6% |
| Avg HH Size | 1.75 |
ZIP code 57631 is located in Glenham, South Dakota, within Walworth County. With a population of 365, this is a sparsely populated ZIP code with an older community — the median age is 60.5 years. Economically, 57631 is a solidly middle-class ZIP code: the median household income of $56,250 is below the national average.
Real estate in ZIP code 57631 represents one of the more affordable housing markets in the country. The median home value of $106,700 is well below the national average. Homeownership is strong here — 90.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have decreased by 15% since 2019.
The population of 57631 is primarily White (95.62%). Residents are moderately educated — 31.1% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 4.4%. Household income has declined by 17% since 2019.
The unemployment rate in 57631 stands at 19.8%, which is more than double the national average. About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 70%.
Overall, ZIP code 57631 in Glenham, SD is characterized as solidly middle-class, moderately educated, an older community, and predominantly owner-occupied. With 365 residents, a median household income of $56,250, and a median home value of $106,700, it offers a clear picture of life in this part of South Dakota.