US Census Data

ZIP 63021 vs ZIP 63031

A side-by-side comparison of ZIP Code 63021 and ZIP Code 63031: population, income, housing, and more.

ZIP 63021 and ZIP 63031 are ZIP Code areas in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 63021 has the higher population (56,297 vs 50,258 in ZIP 63031). ZIP 63021 has the higher median household income ($113,822 vs $71,783 in ZIP 63031). ZIP 63021 has the higher median home value ($324,300 vs $144,500 in ZIP 63031).

Population, income & housing

ZIP 63021ZIP 63031
Population56,29750,258
Median age40.4 yrs38.1 yrs
Median household income$113,822$71,783
Median home value$324,300$144,500
Median gross rent$1,362$1,351
Housing units22,98221,159
Homeownership rate79.0%71.5%
Bachelor's degree or higher62.1%28.0%
Unemployment rate3.4%5.7%

Trends (ACS 5-year, 2019–2023)

ZIP 63021ZIP 63031
Population57,112 → 56,297 (-1.4%)47,748 → 50,258 (+5.3%)
Median household income$90,419 → $113,822 (+25.9%)$62,980 → $71,783 (+14.0%)
Median home value$243,600 → $324,300 (+33.1%)$103,500 → $144,500 (+39.6%)
Median gross rent$1,135 → $1,362 (+20.0%)$1,088 → $1,351 (+24.2%)

ZIP 63021

Population
57,11256,297
Median household income
$90,419$113,822
Median home value
$243,600$324,300
Median gross rent
$1,135$1,362

ZIP 63031

Population
47,74850,258
Median household income
$62,980$71,783
Median home value
$103,500$144,500
Median gross rent
$1,088$1,351

Age & race/ethnicity

Age distribution (share)

ZIP 63021ZIP 63031
Under 55.8%5.2%
5 to 1716.8%19.5%
18 to 247.4%7.7%
25 to 3412.3%13.4%
35 to 4413.4%13.3%
45 to 5414.2%12.0%
55 to 6412.9%14.4%
65 to 7410.6%8.8%
75 and over6.6%5.7%

Race & ethnicity (share)

ZIP 63021ZIP 63031
White (non-Hispanic)76.1%49.4%
Black or African American2.5%41.2%
American Indian & Alaska Native0.0%0.0%
Asian9.9%0.6%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%0.3%
Two or more races6.0%6.0%
Hispanic or Latino5.2%2.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 63021ZIP 63031
No high school diploma2.4%8.2%
High school graduate13.7%28.1%
Some college or associate's21.8%35.8%
Bachelor's degree37.9%19.7%
Graduate or professional degree24.2%8.3%

Commute to work

How workers get to work (share)

ZIP 63021ZIP 63031
Drove alone77.6%77.9%
Carpooled4.2%6.8%
Public transit0.1%0.7%
Walked0.2%0.8%
Bicycle0.0%0.3%
Worked from home17.3%12.5%
Other means0.6%0.9%

Housing

Units in structure (share)

ZIP 63021ZIP 63031
1-unit, detached71.8%86.8%
1-unit, attached8.3%1.3%
2 to 4 units5.3%3.9%
5 to 19 units10.7%4.8%
20 or more units3.8%3.0%
Mobile home & other0.0%0.1%

Poverty & households

ZIP 63021ZIP 63031
Poverty rate5.1%10.3%
Average household size2.522.54
Mean commute (minutes)2427
Median year structure built19831967

Full profiles

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ZIP 63021 vs ZIP 63031: Compare Population & Demographics | US Census Data