US Census Data

ZIP 21111 vs ZIP 21120

A side-by-side comparison of ZIP Code 21111 and ZIP Code 21120: population, income, housing, and more.

ZIP 21111 and ZIP 21120 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21120 has the higher population (7,286 vs 4,690 in ZIP 21111). ZIP 21120 has the higher median household income ($157,275 vs $135,781 in ZIP 21111). ZIP 21111 has the higher median home value ($585,400 vs $552,400 in ZIP 21120).

Population, income & housing

ZIP 21111ZIP 21120
Population4,6907,286
Median age48.6 yrs41.4 yrs
Median household income$135,781$157,275
Median home value$585,400$552,400
Median gross rent$1,458$1,338
Housing units1,9022,589
Homeownership rate95.7%94.9%
Bachelor's degree or higher64.0%62.0%
Unemployment rate8.1%2.2%

Trends (ACS 5-year, 2019–2023)

ZIP 21111ZIP 21120
Population5,387 → 4,690 (-12.9%)7,095 → 7,286 (+2.7%)
Median household income$132,679 → $135,781 (+2.3%)$114,881 → $157,275 (+36.9%)
Median home value$518,800 → $585,400 (+12.8%)$456,600 → $552,400 (+21.0%)
Median gross rent$1,667 → $1,458 (-12.5%)$1,599 → $1,338 (-16.3%)

ZIP 21111

Population
5,3874,690
Median household income
$132,679$135,781
Median home value
$518,800$585,400
Median gross rent
$1,667$1,458

ZIP 21120

Population
7,0957,286
Median household income
$114,881$157,275
Median home value
$456,600$552,400
Median gross rent
$1,599$1,338

Age & race/ethnicity

Age distribution (share)

ZIP 21111ZIP 21120
Under 57.0%7.6%
5 to 1716.5%19.4%
18 to 242.7%3.5%
25 to 344.1%9.3%
35 to 4413.7%14.6%
45 to 5413.2%12.8%
55 to 6419.6%15.5%
65 to 7413.5%12.0%
75 and over9.9%5.3%

Race & ethnicity (share)

ZIP 21111ZIP 21120
White (non-Hispanic)95.0%86.8%
Black or African American0.9%1.4%
American Indian & Alaska Native0.0%0.0%
Asian0.5%3.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%1.2%
Two or more races2.1%3.0%
Hispanic or Latino1.2%4.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21111ZIP 21120
No high school diploma0.6%2.5%
High school graduate9.2%16.2%
Some college or associate's26.2%19.3%
Bachelor's degree36.4%36.1%
Graduate or professional degree27.6%25.9%

Commute to work

How workers get to work (share)

ZIP 21111ZIP 21120
Drove alone72.9%69.1%
Carpooled4.8%6.2%
Public transit0.0%1.3%
Walked0.4%0.0%
Bicycle0.0%0.0%
Worked from home21.6%22.9%
Other means0.2%0.5%

Housing

Units in structure (share)

ZIP 21111ZIP 21120
1-unit, detached96.1%97.6%
1-unit, attached3.9%1.1%
2 to 4 units0.0%1.1%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other0.0%0.2%

Poverty & households

ZIP 21111ZIP 21120
Poverty rate6.7%2.7%
Average household size2.532.84
Mean commute (minutes)3235
Median year structure built19821986

Full profiles

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ZIP 21111 vs ZIP 21120: Compare Population & Demographics | US Census Data