US Census Data

ZIP 21220 vs ZIP 21227

A side-by-side comparison of ZIP Code 21220 and ZIP Code 21227: population, income, housing, and more.

ZIP 21220 and ZIP 21227 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21220 has the higher population (42,936 vs 35,695 in ZIP 21227). ZIP 21227 has the higher median household income ($83,620 vs $79,676 in ZIP 21220). ZIP 21220 has the higher median home value ($279,900 vs $272,400 in ZIP 21227).

Population, income & housing

ZIP 21220ZIP 21227
Population42,93635,695
Median age38.0 yrs36.1 yrs
Median household income$79,676$83,620
Median home value$279,900$272,400
Median gross rent$1,621$1,347
Housing units17,96014,260
Homeownership rate68.5%66.5%
Bachelor's degree or higher26.4%26.9%
Unemployment rate4.1%3.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21220ZIP 21227
Population41,051 → 42,936 (+4.6%)33,589 → 35,695 (+6.3%)
Median household income$70,800 → $79,676 (+12.5%)$68,323 → $83,620 (+22.4%)
Median home value$218,300 → $279,900 (+28.2%)$213,400 → $272,400 (+27.6%)
Median gross rent$1,248 → $1,621 (+29.9%)$1,117 → $1,347 (+20.6%)

ZIP 21220

Population
41,05142,936
Median household income
$70,800$79,676
Median home value
$218,300$279,900
Median gross rent
$1,248$1,621

ZIP 21227

Population
33,58935,695
Median household income
$68,323$83,620
Median home value
$213,400$272,400
Median gross rent
$1,117$1,347

Age & race/ethnicity

Age distribution (share)

ZIP 21220ZIP 21227
Under 57.3%6.8%
5 to 1716.1%15.9%
18 to 249.3%7.9%
25 to 3413.5%17.3%
35 to 4414.0%13.6%
45 to 5413.6%9.5%
55 to 6413.3%14.2%
65 to 748.2%10.1%
75 and over4.8%4.7%

Race & ethnicity (share)

ZIP 21220ZIP 21227
White (non-Hispanic)56.9%60.9%
Black or African American26.7%16.5%
American Indian & Alaska Native0.1%0.0%
Asian5.1%4.2%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.3%1.2%
Two or more races5.3%5.0%
Hispanic or Latino5.7%12.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21220ZIP 21227
No high school diploma11.2%15.3%
High school graduate34.6%33.0%
Some college or associate's27.7%24.8%
Bachelor's degree16.5%16.3%
Graduate or professional degree9.9%10.6%

Commute to work

How workers get to work (share)

ZIP 21220ZIP 21227
Drove alone74.6%74.3%
Carpooled10.4%9.0%
Public transit2.6%3.9%
Walked1.4%0.7%
Bicycle0.1%0.1%
Worked from home8.7%10.4%
Other means2.2%1.7%

Housing

Units in structure (share)

ZIP 21220ZIP 21227
1-unit, detached46.9%45.1%
1-unit, attached28.9%39.5%
2 to 4 units1.9%4.4%
5 to 19 units9.6%5.8%
20 or more units5.2%5.1%
Mobile home & other7.5%0.1%

Poverty & households

ZIP 21220ZIP 21227
Poverty rate14.3%15.2%
Average household size2.642.59
Mean commute (minutes)3126
Median year structure built19821958

Full profiles

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ZIP 21220 vs ZIP 21227: Compare Population & Demographics | US Census Data