| ZIP Code | 57730 |
|---|---|
| City | Custer |
| State | South Dakota (SD) |
| County | Custer County |
| Area Code | 605 |
| Elevation | 5,601 ft |
| Latitude | 43.726576 |
|---|---|
| Longitude | -103.648599 |
| Timezone | Chicago (DST) |
| FIPS | 46033 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 57.6 yrs ↑ 5% since 2019 |
|---|---|
| Avg Household Size | 2.15 |
| Below Poverty | 7.5% ▼ 25% below avg |
| College Grads | 43.9% ▲ 13% above avg |
| Unemployment | 2.0% ▼ 59% below avg |
| No HS Diploma | 17 (0.4%) |
| HS Graduate | 1,225 (27.7%) |
| Some College | 363 (8.2%) |
| Associates | 878 (19.8%) |
| Bachelors | 343 (7.8%) |
| Graduate Degree | 1,599 (36.1%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $81,911 ≈ Avg ↑ 42% since 2019 |
|---|---|
| Median Home Value | $324,300 ▲ 16% above avg ↑ 51% since 2019 |
| Home/Income Ratio | 4.0x (nat avg ~3.5x) |
| Median Rent | $1,070/mo ↑ 35% since 2019 |
| Total Units | 3,328 |
| Vacant Units | 809 |
| Avg HH Size | 2.15 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 3,328 |
|---|---|
| Vacant | 809 |
| Owner Occupied | 80.7% |
| Renter Occupied | 19.3% |
| Avg HH Size | 2.15 |
ZIP code 57730 is located in Custer, South Dakota, within Custer County. With a population of 5,647, this is a lightly populated ZIP code with an older community — the median age is 57.6 years. Economically, 57730 is a middle-income ZIP code: the median household income of $81,911 is near the national average.
Real estate in ZIP code 57730 represents a mid-range housing market. The median home value of $324,300 is above the national average. Renters can expect to pay around $1,070 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 51% since 2019.
The population of 57730 is primarily White (90.38%). Residents are well-educated — 43.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 7.5%. Household income has grown by 42% since 2019.
The unemployment rate in 57730 stands at 2.0%, which is well below the national average. About 12% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 76%.
Overall, ZIP code 57730 in Custer, SD is characterized as middle-income, well-educated, an older community, and predominantly owner-occupied. With 5,647 residents, a median household income of $81,911, and a median home value of $324,300, it offers a clear picture of life in this part of South Dakota.