| ZIP Code | 57430 |
|---|---|
| City | Britton |
| State | South Dakota (SD) |
| County | Marshall County |
| Area Code | 605 |
| Elevation | 1,338 ft |
| Latitude | 45.834926 |
|---|---|
| Longitude | -97.719666 |
| Timezone | Chicago (DST) |
| FIPS | 46091 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 47.4 yrs ↑ 28% since 2019 |
|---|---|
| Avg Household Size | 2.23 |
| Below Poverty | 9.1% ▼ 9% below avg |
| College Grads | 42.8% ▲ 10% above avg |
| Unemployment | 0.6% ▼ 88% below avg |
| HS Graduate | 449 (35.6%) |
| Some College | 58 (4.6%) |
| Associates | 215 (17%) |
| Bachelors | 284 (22.5%) |
| Graduate Degree | 256 (20.3%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $71,563 ≈ Avg ↑ 4% since 2019 |
|---|---|
| Median Home Value | $118,400 ▼ 58% below avg |
| Home/Income Ratio | 1.7x (nat avg ~3.5x) |
| Median Rent | $788/mo ↑ 21% since 2019 |
| Total Units | 1,027 |
| Vacant Units | 227 |
| Avg HH Size | 2.23 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 1,027 |
|---|---|
| Vacant | 227 |
| Owner Occupied | 76.8% |
| Renter Occupied | 23.3% |
| Avg HH Size | 2.23 |
ZIP code 57430 is located in Britton, South Dakota, within Marshall County. With a population of 1,916, this is a sparsely populated ZIP code with a mature community — the median age is 47.4 years. Economically, 57430 is a solidly middle-class ZIP code: the median household income of $71,563 is near the national average.
Real estate in ZIP code 57430 represents one of the more affordable housing markets in the country. The median home value of $118,400 is well below the national average. Renters can expect to pay around $788 per month in median rent. Homeownership is strong here — 76.8% of occupied units are owner-occupied, suggesting an established, stable residential community.
The population of 57430 is primarily White (92.54%). Residents are well-educated — 42.8% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 9.1%. Household income has grown by 4% since 2019.
The unemployment rate in 57430 stands at 0.6%, 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 57430 in Britton, SD is characterized as solidly middle-class, well-educated, a mature community, and predominantly owner-occupied. With 1,916 residents, a median household income of $71,563, and a median home value of $118,400, it offers a clear picture of life in this part of South Dakota.