US Census Data

ZIP 20720 vs ZIP 20721

A side-by-side comparison of ZIP Code 20720 and ZIP Code 20721: population, income, housing, and more.

ZIP 20720 and ZIP 20721 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 26,243 in ZIP 20720). ZIP 20721 has the higher median household income ($167,689 vs $162,976 in ZIP 20720). ZIP 20721 has the higher median home value ($561,500 vs $545,800 in ZIP 20720).

Population, income & housing

ZIP 20720ZIP 20721
Population26,24330,342
Median age41.6 yrs48.1 yrs
Median household income$162,976$167,689
Median home value$545,800$561,500
Median gross rent$3,162$2,394
Housing units8,65811,284
Homeownership rate93.8%89.1%
Bachelor's degree or higher59.2%58.7%
Unemployment rate3.6%5.5%

Trends (ACS 5-year, 2019–2023)

ZIP 20720ZIP 20721
Population22,971 → 26,243 (+14.2%)29,730 → 30,342 (+2.1%)
Median household income$140,322 → $162,976 (+16.1%)$131,508 → $167,689 (+27.5%)
Median home value$406,200 → $545,800 (+34.4%)$403,800 → $561,500 (+39.1%)
Median gross rent$2,412 → $3,162 (+31.1%)$2,199 → $2,394 (+8.9%)

ZIP 20720

Population
22,97126,243
Median household income
$140,322$162,976
Median home value
$406,200$545,800
Median gross rent
$2,412$3,162

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

Age & race/ethnicity

Age distribution (share)

ZIP 20720ZIP 20721
Under 57.0%4.8%
5 to 1717.5%12.8%
18 to 248.5%6.4%
25 to 3410.1%8.9%
35 to 4411.4%13.1%
45 to 5414.6%14.6%
55 to 6417.5%17.8%
65 to 749.0%11.9%
75 and over4.5%9.6%

Race & ethnicity (share)

ZIP 20720ZIP 20721
White (non-Hispanic)12.1%6.1%
Black or African American70.2%84.1%
American Indian & Alaska Native0.0%0.1%
Asian4.5%1.6%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.2%0.3%
Two or more races5.6%4.0%
Hispanic or Latino6.5%3.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 20720ZIP 20721
No high school diploma4.6%3.4%
High school graduate16.0%14.1%
Some college or associate's20.2%23.9%
Bachelor's degree30.6%25.9%
Graduate or professional degree28.6%32.8%

Commute to work

How workers get to work (share)

ZIP 20720ZIP 20721
Drove alone60.5%65.6%
Carpooled9.9%5.8%
Public transit6.0%5.5%
Walked0.4%0.1%
Bicycle0.0%0.0%
Worked from home22.7%20.2%
Other means0.6%2.8%

Housing

Units in structure (share)

ZIP 20720ZIP 20721
1-unit, detached75.2%72.5%
1-unit, attached22.8%20.7%
2 to 4 units0.3%0.4%
5 to 19 units0.6%3.2%
20 or more units0.4%3.2%
Mobile home & other0.7%0.0%

Poverty & households

ZIP 20720ZIP 20721
Poverty rate2.8%3.6%
Average household size3.062.73
Mean commute (minutes)3537
Median year structure built19981995

Full profiles

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