US Census Data

ZIP 20721 vs ZIP 20724

A side-by-side comparison of ZIP Code 20721 and ZIP Code 20724: population, income, housing, and more.

ZIP 20721 and ZIP 20724 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 20721 has the higher population (30,342 vs 18,669 in ZIP 20724). ZIP 20721 has the higher median household income ($167,689 vs $109,530 in ZIP 20724). ZIP 20721 has the higher median home value ($561,500 vs $392,500 in ZIP 20724).

Population, income & housing

ZIP 20721ZIP 20724
Population30,34218,669
Median age48.1 yrs35.6 yrs
Median household income$167,689$109,530
Median home value$561,500$392,500
Median gross rent$2,394$2,199
Housing units11,2847,514
Homeownership rate89.1%59.8%
Bachelor's degree or higher58.7%48.1%
Unemployment rate5.5%7.1%

Trends (ACS 5-year, 2019–2023)

ZIP 20721ZIP 20724
Population29,730 → 30,342 (+2.1%)17,513 → 18,669 (+6.6%)
Median household income$131,508 → $167,689 (+27.5%)$103,112 → $109,530 (+6.2%)
Median home value$403,800 → $561,500 (+39.1%)$315,500 → $392,500 (+24.4%)
Median gross rent$2,199 → $2,394 (+8.9%)$1,824 → $2,199 (+20.6%)

ZIP 20721

Population
29,73030,342
Median household income
$131,508$167,689
Median home value
$403,800$561,500
Median gross rent
$2,199$2,394

ZIP 20724

Population
17,51318,669
Median household income
$103,112$109,530
Median home value
$315,500$392,500
Median gross rent
$1,824$2,199

Age & race/ethnicity

Age distribution (share)

ZIP 20721ZIP 20724
Under 54.8%7.2%
5 to 1712.8%14.8%
18 to 246.4%10.4%
25 to 348.9%17.1%
35 to 4413.1%16.6%
45 to 5414.6%12.3%
55 to 6417.8%14.9%
65 to 7411.9%3.4%
75 and over9.6%3.3%

Race & ethnicity (share)

ZIP 20721ZIP 20724
White (non-Hispanic)6.1%24.0%
Black or African American84.1%43.0%
American Indian & Alaska Native0.1%0.0%
Asian1.6%6.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%0.1%
Two or more races4.0%2.0%
Hispanic or Latino3.9%24.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 20721ZIP 20724
No high school diploma3.4%7.5%
High school graduate14.1%21.2%
Some college or associate's23.9%23.1%
Bachelor's degree25.9%28.9%
Graduate or professional degree32.8%19.2%

Commute to work

How workers get to work (share)

ZIP 20721ZIP 20724
Drove alone65.6%72.6%
Carpooled5.8%5.9%
Public transit5.5%3.3%
Walked0.1%0.9%
Bicycle0.0%0.0%
Worked from home20.2%16.7%
Other means2.8%0.7%

Housing

Units in structure (share)

ZIP 20721ZIP 20724
1-unit, detached72.5%31.3%
1-unit, attached20.7%36.2%
2 to 4 units0.4%3.8%
5 to 19 units3.2%15.1%
20 or more units3.2%9.0%
Mobile home & other0.0%4.5%

Poverty & households

ZIP 20721ZIP 20724
Poverty rate3.6%10.1%
Average household size2.732.53
Mean commute (minutes)3731
Median year structure built19951992

Full profiles

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ZIP 20721 vs ZIP 20724: Compare Population & Demographics | US Census Data