US Census Data

ZIP 57521 vs ZIP 57531

A side-by-side comparison of ZIP Code 57521 and ZIP Code 57531: population, income, housing, and more.

ZIP 57521 and ZIP 57531 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 57521 has the higher population (245 vs 84 in ZIP 57531). ZIP 57531 has the higher median household income ($54,000 vs $50,521 in ZIP 57521). ZIP 57531 has the higher median home value ($57,200 vs $37,100 in ZIP 57521).

Population, income & housing

ZIP 57521ZIP 57531
Population24584
Median age14.5 yrs47.5 yrs
Median household income$50,521$54,000
Median home value$37,100$57,200
Housing units8742
Homeownership rate51.0%76.3%
Bachelor's degree or higher11.4%34.4%
Unemployment rate0.0%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 57521ZIP 57531
Population150 → 245 (+63.3%)96 → 84 (-12.5%)
Median household income$25,893 → $50,521 (+95.1%)$44,250 → $54,000 (+22.0%)
Median home value$39,000 → $37,100 (-4.9%)$81,300 → $57,200 (-29.6%)

ZIP 57521

Population
150245
Median household income
$25,893$50,521
Median home value
$39,000$37,100

ZIP 57531

Population
9684
Median household income
$44,250$54,000
Median home value
$81,300$57,200

Age & race/ethnicity

Age distribution (share)

ZIP 57521ZIP 57531
Under 517.1%14.3%
5 to 1740.0%11.9%
18 to 240.0%1.2%
25 to 347.3%15.5%
35 to 440.0%6.0%
45 to 549.0%3.6%
55 to 649.8%20.2%
65 to 745.3%27.4%
75 and over11.4%0.0%

Race & ethnicity (share)

ZIP 57521ZIP 57531
White (non-Hispanic)64.5%100.0%
Black or African American0.0%0.0%
American Indian & Alaska Native33.1%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race2.4%0.0%
Two or more races0.0%0.0%
Hispanic or Latino0.0%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 57521ZIP 57531
No high school diploma15.2%0.0%
High school graduate51.4%37.7%
Some college or associate's21.9%27.9%
Bachelor's degree11.4%32.8%
Graduate or professional degree0.0%1.6%

Commute to work

How workers get to work (share)

ZIP 57521ZIP 57531
Drove alone83.3%43.3%
Carpooled0.0%6.7%
Public transit0.0%0.0%
Walked0.0%20.0%
Bicycle0.0%0.0%
Worked from home16.7%30.0%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 57521ZIP 57531
1-unit, detached73.6%88.1%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other26.4%11.9%

Poverty & households

ZIP 57521ZIP 57531
Poverty rate22.9%20.2%
Average household size4.802.21
Mean commute (minutes)2313
Median year structure built19711975

Full profiles

2