ZIP 57420 vs ZIP 57421
A side-by-side comparison of ZIP Code 57420 and ZIP Code 57421: population, income, housing, and more.
ZIP 57420 and ZIP 57421 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 57420 has the higher population (221 vs 75 in ZIP 57421). Since 2019, ZIP 57420's population has grown faster (+148.3% vs -2.6%).
Population, income & housing
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| Population | 221 | 75 |
| Median age | 21.9 yrs | 16.3 yrs |
| Median household income | $41,250 | — |
| Median home value | $79,800 | — |
| Housing units | 169 | 24 |
| Homeownership rate | 84.1% | 100.0% |
| Bachelor's degree or higher | 30.3% | 93.1% |
| Unemployment rate | 0.0% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| Population | 89 → 221 (+148.3%) | 77 → 75 (-2.6%) |
| Median household income | $53,750 → $41,250 (-23.3%) | — |
| Median home value | $82,500 → $79,800 (-3.3%) | — |
ZIP 57420
89221
$53,750$41,250
$82,500$79,800
ZIP 57421
7775
Age & race/ethnicity
Age distribution (share)
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| Under 5 | 36.2% | 0.0% |
| 5 to 17 | 5.0% | 61.3% |
| 18 to 24 | 9.5% | 0.0% |
| 25 to 34 | 13.6% | 0.0% |
| 35 to 44 | 5.4% | 0.0% |
| 45 to 54 | 0.5% | 32.0% |
| 55 to 64 | 4.5% | 2.7% |
| 65 to 74 | 20.4% | 4.0% |
| 75 and over | 5.0% | 0.0% |
Race & ethnicity (share)
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 100.0% |
| Black or African American | 0.0% | 0.0% |
| American Indian & Alaska Native | 0.0% | 0.0% |
| 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% | 0.0% |
| Hispanic or Latino | 0.0% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| No high school diploma | 3.7% | 0.0% |
| High school graduate | 28.4% | 0.0% |
| Some college or associate's | 37.6% | 6.9% |
| Bachelor's degree | 29.4% | 44.8% |
| Graduate or professional degree | 0.9% | 48.3% |
Commute to work
How workers get to work (share)
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| Drove alone | 77.8% | 45.8% |
| Carpooled | 0.0% | 0.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.0% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 22.2% | 54.2% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| 1-unit, detached | 41.4% | 100.0% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 0.0% | 0.0% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 58.6% | 0.0% |
Poverty & households
| ZIP 57420 | ZIP 57421 | |
|---|---|---|
| Poverty rate | 39.4% | 0.0% |
| Average household size | 2.70 | 4.69 |
| Mean commute (minutes) | 50 | — |
| Median year structure built | 1992 | 1943 |