ZIP 57020 vs ZIP 57021
A side-by-side comparison of ZIP Code 57020 and ZIP Code 57021: population, income, housing, and more.
ZIP 57020 and ZIP 57021 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 57020 has the higher population (1,553 vs 356 in ZIP 57021). ZIP 57020 has the higher median household income ($104,375 vs $74,594 in ZIP 57021). Since 2019, ZIP 57021's population has grown faster (+40.7% vs +7.7%).
Population, income & housing
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| Population | 1,553 | 356 |
| Median age | 41.7 yrs | 45.8 yrs |
| Median household income | $104,375 | $74,594 |
| Median home value | $285,600 | — |
| Median gross rent | $1,133 | — |
| Housing units | 582 | 145 |
| Homeownership rate | 89.3% | 84.9% |
| Bachelor's degree or higher | 37.0% | 55.0% |
| Unemployment rate | 1.5% | 2.1% |
Trends (ACS 5-year, 2019–2023)
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| Population | 1,442 → 1,553 (+7.7%) | 253 → 356 (+40.7%) |
| Median household income | $95,714 → $104,375 (+9.0%) | $71,250 → $74,594 (+4.7%) |
| Median home value | $213,000 → $285,600 (+34.1%) | — |
| Median gross rent | $1,114 → $1,133 (+1.7%) | — |
ZIP 57020
1,4421,553
$95,714$104,375
$213,000$285,600
$1,114$1,133
ZIP 57021
253356
$71,250$74,594
Age & race/ethnicity
Age distribution (share)
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| Under 5 | 5.4% | 4.8% |
| 5 to 17 | 20.5% | 19.7% |
| 18 to 24 | 4.8% | 0.0% |
| 25 to 34 | 8.9% | 13.5% |
| 35 to 44 | 18.0% | 7.6% |
| 45 to 54 | 11.3% | 9.3% |
| 55 to 64 | 18.4% | 32.6% |
| 65 to 74 | 10.1% | 7.0% |
| 75 and over | 2.8% | 5.6% |
Race & ethnicity (share)
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| White (non-Hispanic) | 95.3% | 92.1% |
| Black or African American | 0.5% | 0.0% |
| American Indian & Alaska Native | 0.1% | 0.0% |
| Asian | 0.4% | 7.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 0.0% | 0.0% |
| Two or more races | 3.7% | 0.8% |
| Hispanic or Latino | 0.0% | 0.0% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| No high school diploma | 5.4% | 4.5% |
| High school graduate | 25.2% | 20.8% |
| Some college or associate's | 32.4% | 19.7% |
| Bachelor's degree | 28.7% | 55.0% |
| Graduate or professional degree | 8.4% | 0.0% |
Commute to work
How workers get to work (share)
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| Drove alone | 83.1% | 76.3% |
| Carpooled | 5.1% | 14.7% |
| Public transit | 0.0% | 0.9% |
| Walked | 0.3% | 5.2% |
| Bicycle | 0.3% | 0.0% |
| Worked from home | 10.4% | 3.0% |
| Other means | 0.7% | 0.0% |
Housing
Units in structure (share)
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| 1-unit, detached | 97.3% | 91.7% |
| 1-unit, attached | 0.7% | 0.0% |
| 2 to 4 units | 2.1% | 1.4% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 0.0% | 6.9% |
Poverty & households
| ZIP 57020 | ZIP 57021 | |
|---|---|---|
| Poverty rate | 0.2% | 6.6% |
| Average household size | 2.67 | 2.56 |
| Mean commute (minutes) | 25 | 34 |
| Median year structure built | 1991 | 1938 |