US Census Data

ZIP 21623 vs ZIP 21631

A side-by-side comparison of ZIP Code 21623 and ZIP Code 21631: population, income, housing, and more.

ZIP 21623 and ZIP 21631 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21631 has the higher population (2,580 vs 2,482 in ZIP 21623). ZIP 21623 has the higher median household income ($77,014 vs $69,095 in ZIP 21631). ZIP 21623 has the higher median home value ($383,300 vs $307,800 in ZIP 21631).

Population, income & housing

ZIP 21623ZIP 21631
Population2,4822,580
Median age35.9 yrs47.9 yrs
Median household income$77,014$69,095
Median home value$383,300$307,800
Median gross rent$1,108$1,528
Housing units9081,094
Homeownership rate84.8%84.4%
Bachelor's degree or higher21.2%25.4%
Unemployment rate2.0%4.2%

Trends (ACS 5-year, 2019–2023)

ZIP 21623ZIP 21631
Population1,989 → 2,482 (+24.8%)2,814 → 2,580 (-8.3%)
Median household income$72,000 → $77,014 (+7.0%)$69,934 → $69,095 (-1.2%)
Median home value$273,100 → $383,300 (+40.4%)$254,900 → $307,800 (+20.8%)
Median gross rent$1,250 → $1,108 (-11.4%)$1,054 → $1,528 (+45.0%)

ZIP 21623

Population
1,9892,482
Median household income
$72,000$77,014
Median home value
$273,100$383,300
Median gross rent
$1,250$1,108

ZIP 21631

Population
2,8142,580
Median household income
$69,934$69,095
Median home value
$254,900$307,800
Median gross rent
$1,054$1,528

Age & race/ethnicity

Age distribution (share)

ZIP 21623ZIP 21631
Under 57.9%3.3%
5 to 1717.1%20.0%
18 to 245.5%4.6%
25 to 3417.5%8.1%
35 to 4416.0%10.8%
45 to 5411.3%16.4%
55 to 6412.9%18.6%
65 to 747.5%11.8%
75 and over4.4%6.6%

Race & ethnicity (share)

ZIP 21623ZIP 21631
White (non-Hispanic)61.2%71.6%
Black or African American13.3%5.5%
American Indian & Alaska Native0.0%0.0%
Asian2.3%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races1.4%9.4%
Hispanic or Latino21.8%13.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21623ZIP 21631
No high school diploma15.3%14.4%
High school graduate36.4%41.0%
Some college or associate's27.1%19.2%
Bachelor's degree12.6%16.5%
Graduate or professional degree8.6%9.0%

Commute to work

How workers get to work (share)

ZIP 21623ZIP 21631
Drove alone78.3%80.5%
Carpooled16.9%10.2%
Public transit0.5%0.7%
Walked0.9%0.0%
Bicycle0.0%0.0%
Worked from home3.5%8.6%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21623ZIP 21631
1-unit, detached80.8%85.8%
1-unit, attached6.8%6.3%
2 to 4 units0.2%0.5%
5 to 19 units3.6%1.2%
20 or more units0.0%0.2%
Mobile home & other8.5%5.9%

Poverty & households

ZIP 21623ZIP 21631
Poverty rate7.7%6.1%
Average household size2.722.64
Mean commute (minutes)3521
Median year structure built20001978

Full profiles

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ZIP 21623 vs ZIP 21631: Compare Population & Demographics | US Census Data