ZIP 57221 vs ZIP 57231
A side-by-side comparison of ZIP Code 57221 and ZIP Code 57231: population, income, housing, and more.
ZIP 57221 and ZIP 57231 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 57231 has the higher population (1,769 vs 1,185 in ZIP 57221). ZIP 57221 has the higher median household income ($82,500 vs $69,375 in ZIP 57231). ZIP 57221 has the higher median home value ($229,100 vs $173,600 in ZIP 57231).
Population, income & housing
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| Population | 1,185 | 1,769 |
| Median age | 23.9 yrs | 42.1 yrs |
| Median household income | $82,500 | $69,375 |
| Median home value | $229,100 | $173,600 |
| Median gross rent | $738 | $748 |
| Housing units | 395 | 861 |
| Homeownership rate | 76.5% | 82.9% |
| Bachelor's degree or higher | 13.3% | 26.0% |
| Unemployment rate | 0.8% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| Population | 897 → 1,185 (+32.1%) | 1,623 → 1,769 (+9.0%) |
| Median household income | $67,500 → $82,500 (+22.2%) | $68,846 → $69,375 (+0.8%) |
| Median home value | $138,800 → $229,100 (+65.1%) | $118,100 → $173,600 (+47.0%) |
| Median gross rent | $519 → $738 (+42.2%) | $380 → $748 (+96.8%) |
ZIP 57221
8971,185
$67,500$82,500
$138,800$229,100
$519$738
ZIP 57231
1,6231,769
$68,846$69,375
$118,100$173,600
$380$748
Age & race/ethnicity
Age distribution (share)
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| Under 5 | 15.4% | 9.6% |
| 5 to 17 | 19.6% | 16.7% |
| 18 to 24 | 15.6% | 4.7% |
| 25 to 34 | 9.7% | 9.1% |
| 35 to 44 | 7.8% | 12.5% |
| 45 to 54 | 6.8% | 5.6% |
| 55 to 64 | 9.7% | 14.4% |
| 65 to 74 | 6.0% | 14.5% |
| 75 and over | 9.3% | 12.9% |
Race & ethnicity (share)
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| White (non-Hispanic) | 96.5% | 95.0% |
| 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 | 0.1% | 4.7% |
| Hispanic or Latino | 3.5% | 0.2% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| No high school diploma | 17.1% | 8.1% |
| High school graduate | 49.1% | 41.0% |
| Some college or associate's | 20.5% | 24.9% |
| Bachelor's degree | 11.6% | 17.0% |
| Graduate or professional degree | 1.7% | 9.0% |
Commute to work
How workers get to work (share)
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| Drove alone | 70.7% | 82.4% |
| Carpooled | 15.0% | 8.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 3.3% | 3.5% |
| Bicycle | 0.0% | 0.3% |
| Worked from home | 11.1% | 5.7% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| 1-unit, detached | 90.4% | 79.9% |
| 1-unit, attached | 0.8% | 0.6% |
| 2 to 4 units | 1.0% | 5.2% |
| 5 to 19 units | 3.8% | 1.3% |
| 20 or more units | 0.0% | 0.6% |
| Mobile home & other | 4.1% | 12.4% |
Poverty & households
| ZIP 57221 | ZIP 57231 | |
|---|---|---|
| Poverty rate | 17.2% | 7.6% |
| Average household size | 3.03 | 2.47 |
| Mean commute (minutes) | 20 | 14 |
| Median year structure built | 1968 | 1967 |