| ZIP Code | 57223 |
|---|---|
| City | Castlewood |
| State | South Dakota (SD) |
| County | Hamlin County |
| Area Code | 605 |
| Elevation | 1,724 ft |
| Latitude | 44.712299 |
|---|---|
| Longitude | -96.994353 |
| Timezone | Chicago (DST) |
| FIPS | 46057 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 36.9 yrs ↑ 4% since 2019 |
|---|---|
| Avg Household Size | 2.77 |
| Below Poverty | 2.2% ▼ 78% below avg |
| College Grads | 41.4% ≈ Avg |
| Unemployment | 1.2% ▼ 76% below avg |
| No HS Diploma | 5 (0.6%) |
| HS Graduate | 306 (35.6%) |
| Some College | 57 (6.6%) |
| Associates | 136 (15.8%) |
| Bachelors | 138 (16%) |
| Graduate Degree | 218 (25.3%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $88,571 ▲ 16% above avg ↑ 26% since 2019 |
|---|---|
| Median Home Value | $229,500 ▼ 18% below avg ↑ 39% since 2019 |
| Home/Income Ratio | 2.6x (nat avg ~3.5x) |
| Median Rent | $1,096/mo ↑ 109% since 2019 |
| Total Units | 548 |
| Vacant Units | 54 |
| Avg HH Size | 2.77 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 548 |
|---|---|
| Vacant | 54 |
| Owner Occupied | 88.3% |
| Renter Occupied | 11.7% |
| Avg HH Size | 2.77 |
ZIP code 57223 is located in Castlewood, South Dakota, within Hamlin County. With a population of 1,367, this is a sparsely populated ZIP code with a relatively young community — the median age is 36.9 years. Economically, 57223 is a middle-income ZIP code: the median household income of $88,571 is above the national average.
Real estate in ZIP code 57223 represents an affordable housing market. The median home value of $229,500 is below the national average. Renters can expect to pay around $1,096 per month in median rent. Homeownership is strong here — 88.3% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 39% since 2019.
The population of 57223 is primarily White (93.20%). Residents are well-educated — 41.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 2.2%. Household income has grown by 26% since 2019.
The unemployment rate in 57223 stands at 1.2%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 79%.
Overall, ZIP code 57223 in Castlewood, SD is characterized as middle-income, well-educated, a relatively young community, and predominantly owner-occupied. With 1,367 residents, a median household income of $88,571, and a median home value of $229,500, it offers a clear picture of life in this part of South Dakota.