| ZIP Code | 57720 |
|---|---|
| City | Buffalo |
| State | South Dakota (SD) |
| County | Harding County |
| Area Code | 605 |
| Elevation | 2,841 ft |
| Latitude | 45.537168 |
|---|---|
| Longitude | -103.586067 |
| Timezone | Chicago (DST) |
| FIPS | 46063 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 53.0 yrs ↑ 21% since 2019 |
|---|---|
| Avg Household Size | 2.00 |
| Below Poverty | 8.4% ▼ 16% below avg |
| College Grads | 34.1% ▼ 12% below avg |
| Unemployment | 1.9% ▼ 61% below avg |
| HS Graduate | 144 (35.6%) |
| Some College | 45 (11.1%) |
| Associates | 78 (19.3%) |
| Bachelors | 25 (6.2%) |
| Graduate Degree | 113 (27.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $78,333 ≈ Avg ↑ 25% since 2019 |
|---|---|
| Median Home Value | $128,800 ▼ 54% below avg ↑ 5% since 2019 |
| Home/Income Ratio | 1.6x (nat avg ~3.5x) |
| Median Rent | $579/mo ↓ 3% since 2019 |
| Total Units | 415 |
| Vacant Units | 135 |
| Avg HH Size | 2.00 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 415 |
|---|---|
| Vacant | 135 |
| Owner Occupied | 80.7% |
| Renter Occupied | 19.3% |
| Avg HH Size | 2.00 |
ZIP code 57720 is located in Buffalo, South Dakota, within Harding County. With a population of 561, this is a sparsely populated ZIP code with a mature community — the median age is 53 years. Economically, 57720 is a middle-income ZIP code: the median household income of $78,333 is near the national average.
Real estate in ZIP code 57720 represents one of the more affordable housing markets in the country. The median home value of $128,800 is well below the national average. Renters can expect to pay around $579 per month in median rent. Homeownership is strong here — 80.7% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 5% since 2019.
The population of 57720 is primarily White (86.81%). Residents are moderately educated — 34.1% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 8.4%. Household income has grown by 25% since 2019.
The unemployment rate in 57720 stands at 1.9%, which is well below the national average. About 24% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 64%.
Overall, ZIP code 57720 in Buffalo, SD is characterized as middle-income, moderately educated, a mature community, and predominantly owner-occupied. With 561 residents, a median household income of $78,333, and a median home value of $128,800, it offers a clear picture of life in this part of South Dakota.