US Census Data

ZIP 57621 vs ZIP 57623

A side-by-side comparison of ZIP Code 57621 and ZIP Code 57623: population, income, housing, and more.

ZIP 57621 and ZIP 57623 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 57623 has the higher population (955 vs 285 in ZIP 57621). ZIP 57623 has the higher median household income ($55,865 vs $32,614 in ZIP 57621). Since 2019, ZIP 57623's population has grown faster (-14.7% vs -26.0%).

Population, income & housing

ZIP 57621ZIP 57623
Population285955
Median age21.1 yrs38.5 yrs
Median household income$32,614$55,865
Median home value$84,700
Median gross rent$575$720
Housing units66360
Homeownership rate31.6%63.9%
Bachelor's degree or higher7.8%18.7%
Unemployment rate45.1%11.1%

Trends (ACS 5-year, 2019–2023)

ZIP 57621ZIP 57623
Population385 → 285 (-26.0%)1,120 → 955 (-14.7%)
Median household income$26,964 → $32,614 (+21.0%)$47,500 → $55,865 (+17.6%)
Median home value$61,900 → $84,700 (+36.8%)
Median gross rent$531 → $575 (+8.3%)$585 → $720 (+23.1%)

ZIP 57621

Population
385285
Median household income
$26,964$32,614
Median gross rent
$531$575

ZIP 57623

Population
1,120955
Median household income
$47,500$55,865
Median home value
$61,900$84,700
Median gross rent
$585$720

Age & race/ethnicity

Age distribution (share)

ZIP 57621ZIP 57623
Under 516.1%4.8%
5 to 1726.7%15.9%
18 to 2411.9%15.0%
25 to 349.8%8.8%
35 to 4412.6%11.8%
45 to 5412.6%13.2%
55 to 645.6%17.2%
65 to 743.5%10.5%
75 and over1.1%2.8%

Race & ethnicity (share)

ZIP 57621ZIP 57623
White (non-Hispanic)0.7%35.6%
Black or African American0.0%0.0%
American Indian & Alaska Native99.3%60.9%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.8%
Some other race0.0%0.0%
Two or more races0.0%1.9%
Hispanic or Latino0.0%0.7%

Educational attainment (age 25+)

Share of adults 25+

ZIP 57621ZIP 57623
No high school diploma21.7%9.3%
High school graduate57.4%52.6%
Some college or associate's13.2%19.4%
Bachelor's degree6.2%13.2%
Graduate or professional degree1.6%5.5%

Commute to work

How workers get to work (share)

ZIP 57621ZIP 57623
Drove alone46.2%52.2%
Carpooled7.7%15.7%
Public transit0.0%0.0%
Walked15.4%3.7%
Bicycle0.0%0.0%
Worked from home26.9%25.9%
Other means3.8%2.6%

Housing

Units in structure (share)

ZIP 57621ZIP 57623
1-unit, detached77.3%60.3%
1-unit, attached0.0%1.1%
2 to 4 units0.0%4.4%
5 to 19 units0.0%3.6%
20 or more units0.0%0.0%
Mobile home & other22.7%30.6%

Poverty & households

ZIP 57621ZIP 57623
Poverty rate65.0%26.4%
Average household size5.003.28
Mean commute (minutes)2423
Median year structure built19851978

Full profiles

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