| ZIP Code | 57551 |
|---|---|
| City | Martin |
| State | South Dakota (SD) |
| County | Bennett County |
| Area Code | 605 |
| Elevation | 3,227 ft |
| Latitude | 43.191962 |
|---|---|
| Longitude | -101.708294 |
| Timezone | Chicago (DST) |
| FIPS | 46007 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 35.7 yrs ↑ 9% since 2019 |
|---|---|
| Avg Household Size | 2.63 |
| Below Poverty | 23.4% ▲ 134% above avg |
| College Grads | 36.4% ≈ Avg |
| Unemployment | 5.1% ≈ Avg |
| No HS Diploma | 9 (0.7%) |
| HS Graduate | 456 (37.3%) |
| Some College | 114 (9.3%) |
| Associates | 200 (16.3%) |
| Bachelors | 87 (7.1%) |
| Graduate Degree | 358 (29.2%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $52,500 ▼ 31% below avg ↑ 7% since 2019 |
|---|---|
| Median Home Value | $138,300 ▼ 50% below avg ↑ 84% since 2019 |
| Home/Income Ratio | 2.6x (nat avg ~3.5x) |
| Median Rent | $734/mo ↑ 34% since 2019 |
| Total Units | 917 |
| Vacant Units | 163 |
| Avg HH Size | 2.63 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 917 |
|---|---|
| Vacant | 163 |
| Owner Occupied | 64.2% |
| Renter Occupied | 35.8% |
| Avg HH Size | 2.63 |
ZIP code 57551 is located in Martin, South Dakota, within Bennett County. With a population of 2,026, this is a sparsely populated ZIP code with a relatively young community — the median age is 35.7 years. Economically, 57551 is a working-class ZIP code: the median household income of $52,500 is below the national average.
Real estate in ZIP code 57551 represents one of the more affordable housing markets in the country. The median home value of $138,300 is well below the national average. Renters can expect to pay around $734 per month in median rent. Homeownership is strong here — 64.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 84% since 2019.
The population of 57551 is majority White (53.90%). Residents are moderately educated — 36.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a significant share of residents at 23.4%. Household income has grown by 7% since 2019.
The unemployment rate in 57551 stands at 5.1%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 80%.
Overall, ZIP code 57551 in Martin, SD is characterized as working-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 2,026 residents, a median household income of $52,500, and a median home value of $138,300, it offers a clear picture of life in this part of South Dakota.