ZIP 57631 vs ZIP 57639
A side-by-side comparison of ZIP Code 57631 and ZIP Code 57639: population, income, housing, and more.
ZIP 57631 and ZIP 57639 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 57639 has the higher population (373 vs 365 in ZIP 57631). ZIP 57631 has the higher median household income ($56,250 vs $22,125 in ZIP 57639). Since 2019, ZIP 57639's population has grown faster (-2.6% vs -8.3%).
Population, income & housing
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| Population | 365 | 373 |
| Median age | 60.5 yrs | 19.5 yrs |
| Median household income | $56,250 | $22,125 |
| Median home value | $106,700 | — |
| Median gross rent | — | $244 |
| Housing units | 329 | 90 |
| Homeownership rate | 90.4% | 14.1% |
| Bachelor's degree or higher | 20.9% | 0.0% |
| Unemployment rate | 19.8% | 74.7% |
Trends (ACS 5-year, 2019–2023)
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| Population | 398 → 365 (-8.3%) | 383 → 373 (-2.6%) |
| Median household income | $68,125 → $56,250 (-17.4%) | $14,643 → $22,125 (+51.1%) |
| Median home value | $125,800 → $106,700 (-15.2%) | $60,000 → $38,200 (-36.3%) |
| Median gross rent | — | $350 → $244 (-30.3%) |
ZIP 57631
398365
$68,125$56,250
$125,800$106,700
ZIP 57639
383373
$14,643$22,125
$60,000$38,200
$350$244
Age & race/ethnicity
Age distribution (share)
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| Under 5 | 1.4% | 22.0% |
| 5 to 17 | 3.6% | 24.1% |
| 18 to 24 | 17.8% | 11.0% |
| 25 to 34 | 1.6% | 9.1% |
| 35 to 44 | 4.1% | 16.1% |
| 45 to 54 | 18.1% | 7.0% |
| 55 to 64 | 12.6% | 5.6% |
| 65 to 74 | 29.9% | 5.1% |
| 75 and over | 11.0% | 0.0% |
Race & ethnicity (share)
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| White (non-Hispanic) | 95.6% | 1.1% |
| Black or African American | 0.0% | 0.0% |
| American Indian & Alaska Native | 0.0% | 97.6% |
| Asian | 0.0% | 0.0% |
| Native Hawaiian & Pacific Islander | 0.0% | 0.0% |
| Some other race | 1.1% | 0.0% |
| Two or more races | 3.3% | 0.0% |
| Hispanic or Latino | 0.0% | 1.3% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| No high school diploma | 2.5% | 23.8% |
| High school graduate | 42.2% | 55.0% |
| Some college or associate's | 34.4% | 21.3% |
| Bachelor's degree | 10.6% | 0.0% |
| Graduate or professional degree | 10.3% | 0.0% |
Commute to work
How workers get to work (share)
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| Drove alone | 70.3% | 85.7% |
| Carpooled | 2.6% | 0.0% |
| Public transit | 0.0% | 0.0% |
| Walked | 3.2% | 0.0% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 23.9% | 14.3% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| 1-unit, detached | 64.4% | 87.8% |
| 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 | 35.6% | 12.2% |
Poverty & households
| ZIP 57631 | ZIP 57639 | |
|---|---|---|
| Poverty rate | 4.4% | 86.9% |
| Average household size | 1.75 | 5.25 |
| Mean commute (minutes) | 14 | — |
| Median year structure built | 1976 | 1983 |