| ZIP Code | 57620 |
|---|---|
| City | Bison |
| State | South Dakota (SD) |
| County | Perkins County |
| Area Code | 605 |
| Elevation | 2,763 ft |
| Latitude | 45.377258 |
|---|---|
| Longitude | -102.540212 |
| Timezone | Chicago (DST) |
| FIPS | 46105 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 46.1 yrs ↑ 25% since 2019 |
|---|---|
| Avg Household Size | 2.22 |
| Below Poverty | 5.6% ▼ 44% below avg |
| College Grads | 35.0% ▼ 10% below avg |
| Unemployment | 0.0% ▼ 100% below avg |
| HS Graduate | 127 (32%) |
| Some College | 47 (11.8%) |
| Associates | 84 (21.2%) |
| Bachelors | 43 (10.8%) |
| Graduate Degree | 96 (24.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $73,500 ≈ Avg ↑ 22% since 2019 |
|---|---|
| Median Home Value | $92,100 ▼ 67% below avg ↑ 22% since 2019 |
| Home/Income Ratio | 1.3x (nat avg ~3.5x) |
| Median Rent | $943/mo ↑ 32% since 2019 |
| Total Units | 336 |
| Vacant Units | 70 |
| Avg HH Size | 2.22 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 336 |
|---|---|
| Vacant | 70 |
| Owner Occupied | 77.1% |
| Renter Occupied | 22.9% |
| Avg HH Size | 2.22 |
ZIP code 57620 is located in Bison, South Dakota, within Perkins County. With a population of 590, this is a sparsely populated ZIP code with a mature community — the median age is 46.1 years. Economically, 57620 is a solidly middle-class ZIP code: the median household income of $73,500 is near the national average.
Real estate in ZIP code 57620 represents one of the more affordable housing markets in the country. The median home value of $92,100 is well below the national average. Renters can expect to pay around $943 per month in median rent. Homeownership is strong here — 77.1% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 22% since 2019.
The population of 57620 is primarily White (97.29%). Residents are moderately educated — 35.0% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 5.6%. Household income has grown by 22% since 2019.
About 25% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 66%.
Overall, ZIP code 57620 in Bison, SD is characterized as solidly middle-class, moderately educated, a mature community, and predominantly owner-occupied. With 590 residents, a median household income of $73,500, and a median home value of $92,100, it offers a clear picture of life in this part of South Dakota.