US Census Data

ZIP 21913 vs ZIP 21921

A side-by-side comparison of ZIP Code 21913 and ZIP Code 21921: population, income, housing, and more.

ZIP 21913 and ZIP 21921 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21921 has the higher population (45,698 vs 863 in ZIP 21913). ZIP 21913 has the higher median household income ($95,795 vs $84,608 in ZIP 21921). ZIP 21921 has the higher median home value ($296,000 vs $233,800 in ZIP 21913).

Population, income & housing

ZIP 21913ZIP 21921
Population86345,698
Median age30.3 yrs39.1 yrs
Median household income$95,795$84,608
Median home value$233,800$296,000
Median gross rent$882$1,413
Housing units40918,782
Homeownership rate66.6%68.3%
Bachelor's degree or higher28.8%27.9%
Unemployment rate1.5%3.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21913ZIP 21921
Population880 → 863 (-1.9%)46,162 → 45,698 (-1.0%)
Median household income$34,569 → $95,795 (+177.1%)$72,992 → $84,608 (+15.9%)
Median home value$173,800 → $233,800 (+34.5%)$234,300 → $296,000 (+26.3%)
Median gross rent$742 → $882 (+18.9%)$1,160 → $1,413 (+21.8%)

ZIP 21913

Population
880863
Median household income
$34,569$95,795
Median home value
$173,800$233,800
Median gross rent
$742$882

ZIP 21921

Population
46,16245,698
Median household income
$72,992$84,608
Median home value
$234,300$296,000
Median gross rent
$1,160$1,413

Age & race/ethnicity

Age distribution (share)

ZIP 21913ZIP 21921
Under 56.5%6.0%
5 to 1716.3%17.0%
18 to 247.6%7.2%
25 to 3425.7%15.1%
35 to 448.3%11.6%
45 to 549.3%12.4%
55 to 6413.6%14.6%
65 to 743.1%10.2%
75 and over9.5%5.9%

Race & ethnicity (share)

ZIP 21913ZIP 21921
White (non-Hispanic)82.0%75.8%
Black or African American7.4%9.4%
American Indian & Alaska Native0.0%0.1%
Asian0.0%1.7%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race0.0%0.8%
Two or more races6.4%5.8%
Hispanic or Latino4.2%6.4%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21913ZIP 21921
No high school diploma10.3%7.7%
High school graduate37.7%37.8%
Some college or associate's23.2%26.6%
Bachelor's degree18.5%18.3%
Graduate or professional degree10.3%9.6%

Commute to work

How workers get to work (share)

ZIP 21913ZIP 21921
Drove alone82.8%77.2%
Carpooled12.3%10.4%
Public transit0.0%0.8%
Walked4.9%1.4%
Bicycle0.0%0.2%
Worked from home0.0%8.8%
Other means0.0%1.2%

Housing

Units in structure (share)

ZIP 21913ZIP 21921
1-unit, detached74.1%66.0%
1-unit, attached3.9%11.2%
2 to 4 units13.0%6.1%
5 to 19 units8.6%8.3%
20 or more units0.5%3.6%
Mobile home & other0.0%4.7%

Poverty & households

ZIP 21913ZIP 21921
Poverty rate5.8%13.6%
Average household size2.272.56
Mean commute (minutes)3328
Median year structure built19761987

Full profiles

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ZIP 21913 vs ZIP 21921: Compare Population & Demographics | US Census Data