| ZIP Code | 57421 |
|---|---|
| City | Amherst |
| State | South Dakota (SD) |
| County | Marshall County |
| Area Code | 605 |
| Elevation | 1,312 ft |
| Latitude | 45.755478 |
|---|---|
| Longitude | -97.907063 |
| Timezone | Chicago (DST) |
| FIPS | 46091 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 16.3 yrs ↓ 51% since 2019 |
|---|---|
| Avg Household Size | 4.69 |
| Below Poverty | 0.0% ▼ 100% below avg |
| College Grads | 100.0% ▲ 158% above avg |
| Unemployment | 0.0% ▼ 100% below avg |
| Bachelors | 2 (11.1%) |
| Graduate Degree | 16 (88.9%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Total Units | 24 |
|---|---|
| Vacant Units | 8 |
| Avg HH Size | 4.69 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 24 |
|---|---|
| Vacant | 8 |
| Owner Occupied | 100.0% |
| Renter Occupied | 0.0% |
| Avg HH Size | 4.69 |
ZIP code 57421 is located in Amherst, South Dakota, within Marshall County. With a population of 75, this is a sparsely populated ZIP code with a young community — the median age is 16.3 years.
The population of 57421 is primarily White (100.00%). Residents are highly educated — 100.0% hold a bachelor's degree or higher, which is more than double the national average.
A notably high share of workers — 54% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 46%.
Overall, ZIP code 57421 in Amherst, SD is characterized as highly educated, a young community, and predominantly owner-occupied.