US Census Data

ZIP 57638 vs ZIP 57646

A side-by-side comparison of ZIP Code 57638 and ZIP Code 57646: population, income, housing, and more.

ZIP 57638 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 57638 has the higher population (1,963 vs 248 in ZIP 57646). ZIP 57646 has the higher median home value ($101,400 vs $90,500 in ZIP 57638). Since 2019, ZIP 57638's population has grown faster (+9.8% vs -1.6%).

Population, income & housing

ZIP 57638ZIP 57646
Population1,963248
Median age46.5 yrs37.6 yrs
Median household income$58,672
Median home value$90,500$101,400
Median gross rent$625
Housing units1,119144
Homeownership rate83.2%85.8%
Bachelor's degree or higher22.2%42.3%
Unemployment rate5.3%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 57638ZIP 57646
Population1,788 → 1,963 (+9.8%)252 → 248 (-1.6%)
Median household income$51,929 → $58,672 (+13.0%)$53,600 → $91,563 (+70.8%)
Median home value$98,300 → $90,500 (-7.9%)$52,500 → $101,400 (+93.1%)
Median gross rent$588 → $625 (+6.3%)

ZIP 57638

Population
1,7881,963
Median household income
$51,929$58,672
Median home value
$98,300$90,500
Median gross rent
$588$625

ZIP 57646

Population
252248
Median household income
$53,600$91,563
Median home value
$52,500$101,400

Age & race/ethnicity

Age distribution (share)

ZIP 57638ZIP 57646
Under 54.1%2.4%
5 to 1715.1%27.0%
18 to 249.1%4.8%
25 to 349.7%7.3%
35 to 4410.2%19.8%
45 to 5412.1%7.3%
55 to 6412.6%13.3%
65 to 7412.4%6.5%
75 and over14.7%11.7%

Race & ethnicity (share)

ZIP 57638ZIP 57646
White (non-Hispanic)93.3%80.6%
Black or African American0.0%0.0%
American Indian & Alaska Native3.9%2.4%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%0.0%
Two or more races1.2%0.8%
Hispanic or Latino1.3%16.1%

Educational attainment (age 25+)

Share of adults 25+

ZIP 57638ZIP 57646
No high school diploma8.3%4.9%
High school graduate36.3%22.1%
Some college or associate's33.1%30.7%
Bachelor's degree15.0%41.7%
Graduate or professional degree7.2%0.6%

Commute to work

How workers get to work (share)

ZIP 57638ZIP 57646
Drove alone75.1%48.7%
Carpooled7.2%1.7%
Public transit0.0%0.0%
Walked3.1%1.7%
Bicycle0.5%0.0%
Worked from home13.8%47.9%
Other means0.3%0.0%

Housing

Units in structure (share)

ZIP 57638ZIP 57646
1-unit, detached75.0%80.6%
1-unit, attached1.8%0.0%
2 to 4 units1.5%1.4%
5 to 19 units5.0%0.0%
20 or more units1.6%0.0%
Mobile home & other15.1%18.1%

Poverty & households

ZIP 57638ZIP 57646
Poverty rate16.3%14.5%
Average household size2.332.34
Mean commute (minutes)1523
Median year structure built19621960

Full profiles

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