| ZIP Code | 57520 |
|---|---|
| City | Agar |
| State | South Dakota (SD) |
| County | Sully County |
| Area Code | 605 |
| Elevation | 1,853 ft |
| Latitude | 44.852798 |
|---|---|
| Longitude | -100.193658 |
| Timezone | Chicago (DST) |
| FIPS | 46119 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 63.4 yrs ↑ 28% since 2019 |
|---|---|
| Avg Household Size | 1.53 |
| Below Poverty | 15.8% ▲ 58% above avg |
| College Grads | 60.8% ▲ 57% above avg |
| Unemployment | 0.0% ▼ 100% below avg |
| HS Graduate | 31 (25.8%) |
| Some College | 9 (7.5%) |
| Associates | 7 (5.8%) |
| Bachelors | 37 (30.8%) |
| Graduate Degree | 36 (30%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $46,875 ▼ 39% below avg |
|---|---|
| Median Home Value | $113,800 ▼ 59% below avg ↑ 52% since 2019 |
| Home/Income Ratio | 2.4x (nat avg ~3.5x) |
| Median Rent | $850/mo |
| Total Units | 127 |
| Vacant Units | 44 |
| Avg HH Size | 1.53 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 127 |
|---|---|
| Vacant | 44 |
| Owner Occupied | 80.7% |
| Renter Occupied | 19.3% |
| Avg HH Size | 1.53 |
ZIP code 57520 is located in Agar, South Dakota, within Sully County. With a population of 127, this is a sparsely populated ZIP code with an older community — the median age is 63.4 years. Economically, 57520 is a working-class ZIP code: the median household income of $46,875 is below the national average.
Real estate in ZIP code 57520 represents one of the more affordable housing markets in the country. The median home value of $113,800 is well below the national average. Renters can expect to pay around $850 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 52% since 2019.
The population of 57520 is primarily White (92.91%). Residents are highly educated — 60.8% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects some residents at 15.8%.
As in most parts of the country, driving alone is the dominant commute mode at 90%.
Overall, ZIP code 57520 in Agar, SD is characterized as working-class, highly educated, an older community, and predominantly owner-occupied. With 127 residents, a median household income of $46,875, and a median home value of $113,800, it offers a clear picture of life in this part of South Dakota.