US Census Data

ZIP 57631 vs ZIP 57638

A side-by-side comparison of ZIP Code 57631 and ZIP Code 57638: population, income, housing, and more.

ZIP 57631 and ZIP 57638 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 365 in ZIP 57631). ZIP 57638 has the higher median household income ($58,672 vs $56,250 in ZIP 57631). ZIP 57631 has the higher median home value ($106,700 vs $90,500 in ZIP 57638).

Population, income & housing

ZIP 57631ZIP 57638
Population3651,963
Median age60.5 yrs46.5 yrs
Median household income$56,250$58,672
Median home value$106,700$90,500
Median gross rent$625
Housing units3291,119
Homeownership rate90.4%83.2%
Bachelor's degree or higher20.9%22.2%
Unemployment rate19.8%5.3%

Trends (ACS 5-year, 2019–2023)

ZIP 57631ZIP 57638
Population398 → 365 (-8.3%)1,788 → 1,963 (+9.8%)
Median household income$68,125 → $56,250 (-17.4%)$51,929 → $58,672 (+13.0%)
Median home value$125,800 → $106,700 (-15.2%)$98,300 → $90,500 (-7.9%)
Median gross rent$588 → $625 (+6.3%)

ZIP 57631

Population
398365
Median household income
$68,125$56,250
Median home value
$125,800$106,700

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

Age & race/ethnicity

Age distribution (share)

ZIP 57631ZIP 57638
Under 51.4%4.1%
5 to 173.6%15.1%
18 to 2417.8%9.1%
25 to 341.6%9.7%
35 to 444.1%10.2%
45 to 5418.1%12.1%
55 to 6412.6%12.6%
65 to 7429.9%12.4%
75 and over11.0%14.7%

Race & ethnicity (share)

ZIP 57631ZIP 57638
White (non-Hispanic)95.6%93.3%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%3.9%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.1%0.3%
Two or more races3.3%1.2%
Hispanic or Latino0.0%1.3%

Educational attainment (age 25+)

Share of adults 25+

ZIP 57631ZIP 57638
No high school diploma2.5%8.3%
High school graduate42.2%36.3%
Some college or associate's34.4%33.1%
Bachelor's degree10.6%15.0%
Graduate or professional degree10.3%7.2%

Commute to work

How workers get to work (share)

ZIP 57631ZIP 57638
Drove alone70.3%75.1%
Carpooled2.6%7.2%
Public transit0.0%0.0%
Walked3.2%3.1%
Bicycle0.0%0.5%
Worked from home23.9%13.8%
Other means0.0%0.3%

Housing

Units in structure (share)

ZIP 57631ZIP 57638
1-unit, detached64.4%75.0%
1-unit, attached0.0%1.8%
2 to 4 units0.0%1.5%
5 to 19 units0.0%5.0%
20 or more units0.0%1.6%
Mobile home & other35.6%15.1%

Poverty & households

ZIP 57631ZIP 57638
Poverty rate4.4%16.3%
Average household size1.752.33
Mean commute (minutes)1415
Median year structure built19761962

Full profiles

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ZIP 57631 vs ZIP 57638: Compare Population & Demographics | US Census Data