ZIP 57421 vs ZIP 57430
A side-by-side comparison of ZIP Code 57421 and ZIP Code 57430: population, income, housing, and more.
ZIP 57421 and ZIP 57430 are ZIP Code areas in South Dakota. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.
ZIP 57430 has the higher population (1,916 vs 75 in ZIP 57421). Since 2019, ZIP 57421's population has grown faster (-2.6% vs -25.1%).
Population, income & housing
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| Population | 75 | 1,916 |
| Median age | 16.3 yrs | 47.4 yrs |
| Median household income | — | $71,563 |
| Median home value | — | $118,400 |
| Median gross rent | — | $788 |
| Housing units | 24 | 1,027 |
| Homeownership rate | 100.0% | 76.8% |
| Bachelor's degree or higher | 93.1% | 19.5% |
| Unemployment rate | 0.0% | 0.6% |
Trends (ACS 5-year, 2019–2023)
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| Population | 77 → 75 (-2.6%) | 2,559 → 1,916 (-25.1%) |
| Median household income | — | $68,942 → $71,563 (+3.8%) |
| Median home value | — | $118,100 → $118,400 (+0.3%) |
| Median gross rent | — | $651 → $788 (+21.0%) |
ZIP 57421
7775
ZIP 57430
2,5591,916
$68,942$71,563
$118,100$118,400
$651$788
Age & race/ethnicity
Age distribution (share)
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| Under 5 | 0.0% | 3.5% |
| 5 to 17 | 61.3% | 14.5% |
| 18 to 24 | 0.0% | 8.4% |
| 25 to 34 | 0.0% | 8.9% |
| 35 to 44 | 0.0% | 12.2% |
| 45 to 54 | 32.0% | 12.3% |
| 55 to 64 | 2.7% | 14.9% |
| 65 to 74 | 4.0% | 11.8% |
| 75 and over | 0.0% | 13.4% |
Race & ethnicity (share)
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 92.5% |
| Black or African American | 0.0% | 0.2% |
| American Indian & Alaska Native | 0.0% | 3.0% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 0.0% | 1.5% |
| Hispanic or Latino | 0.0% | 2.8% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| No high school diploma | 0.0% | 9.7% |
| High school graduate | 0.0% | 34.4% |
| Some college or associate's | 6.9% | 36.5% |
| Bachelor's degree | 44.8% | 17.0% |
| Graduate or professional degree | 48.3% | 2.6% |
Commute to work
How workers get to work (share)
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| Drove alone | 45.8% | 78.6% |
| Carpooled | 0.0% | 6.2% |
| Public transit | 0.0% | 4.0% |
| Walked | 0.0% | 7.7% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 54.2% | 0.8% |
| Other means | 0.0% | 2.8% |
Housing
Units in structure (share)
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| 1-unit, detached | 100.0% | 78.4% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 0.0% | 3.8% |
| 5 to 19 units | 0.0% | 8.0% |
| 20 or more units | 0.0% | 3.1% |
| Mobile home & other | 0.0% | 6.7% |
Poverty & households
| ZIP 57421 | ZIP 57430 | |
|---|---|---|
| Poverty rate | 0.0% | 9.7% |
| Average household size | 4.69 | 2.23 |
| Mean commute (minutes) | — | 10 |
| Median year structure built | 1943 | 1957 |