ZIP 57640 vs ZIP 57646
A side-by-side comparison of ZIP Code 57640 and ZIP Code 57646: population, income, housing, and more.
ZIP 57640 and ZIP 57646 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 57646 has the higher population (248 vs 50 in ZIP 57640). Since 2019, ZIP 57646's population has grown faster (-1.6% vs -72.5%).
Population, income & housing
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| Population | 50 | 248 |
| Median age | 48.7 yrs | 37.6 yrs |
| Median home value | — | $101,400 |
| Housing units | 37 | 144 |
| Homeownership rate | 55.2% | 85.8% |
| Bachelor's degree or higher | 52.3% | 42.3% |
| Unemployment rate | 0.0% | 0.0% |
Trends (ACS 5-year, 2019–2023)
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| Population | 182 → 50 (-72.5%) | 252 → 248 (-1.6%) |
| Median household income | $86,458 → $100,833 (+16.6%) | $53,600 → $91,563 (+70.8%) |
| Median home value | $260,400 → $275,000 (+5.6%) | $52,500 → $101,400 (+93.1%) |
ZIP 57640
18250
$86,458$100,833
$260,400$275,000
ZIP 57646
252248
$53,600$91,563
$52,500$101,400
Age & race/ethnicity
Age distribution (share)
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| Under 5 | 12.0% | 2.4% |
| 5 to 17 | 0.0% | 27.0% |
| 18 to 24 | 0.0% | 4.8% |
| 25 to 34 | 18.0% | 7.3% |
| 35 to 44 | 0.0% | 19.8% |
| 45 to 54 | 28.0% | 7.3% |
| 55 to 64 | 32.0% | 13.3% |
| 65 to 74 | 4.0% | 6.5% |
| 75 and over | 6.0% | 11.7% |
Race & ethnicity (share)
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| White (non-Hispanic) | 100.0% | 80.6% |
| Black or African American | 0.0% | 0.0% |
| American Indian & Alaska Native | 0.0% | 2.4% |
| 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% | 0.8% |
| Hispanic or Latino | 0.0% | 16.1% |
Educational attainment (age 25+)
Share of adults 25+
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| No high school diploma | 6.8% | 4.9% |
| High school graduate | 4.5% | 22.1% |
| Some college or associate's | 36.4% | 30.7% |
| Bachelor's degree | 20.5% | 41.7% |
| Graduate or professional degree | 31.8% | 0.6% |
Commute to work
How workers get to work (share)
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| Drove alone | 42.4% | 48.7% |
| Carpooled | 15.2% | 1.7% |
| Public transit | 0.0% | 0.0% |
| Walked | 0.0% | 1.7% |
| Bicycle | 0.0% | 0.0% |
| Worked from home | 42.4% | 47.9% |
| Other means | 0.0% | 0.0% |
Housing
Units in structure (share)
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| 1-unit, detached | 94.6% | 80.6% |
| 1-unit, attached | 0.0% | 0.0% |
| 2 to 4 units | 0.0% | 1.4% |
| 5 to 19 units | 0.0% | 0.0% |
| 20 or more units | 0.0% | 0.0% |
| Mobile home & other | 5.4% | 18.1% |
Poverty & households
| ZIP 57640 | ZIP 57646 | |
|---|---|---|
| Poverty rate | 0.0% | 14.5% |
| Average household size | 1.72 | 2.34 |
| Mean commute (minutes) | — | 23 |
| Median year structure built | 1968 | 1960 |