US Census Data

ZIP 21218 vs ZIP 21227

A side-by-side comparison of ZIP Code 21218 and ZIP Code 21227: population, income, housing, and more.

ZIP 21218 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 21218 has the higher population (44,903 vs 35,695 in ZIP 21227). ZIP 21227 has the higher median household income ($83,620 vs $58,378 in ZIP 21218). ZIP 21227 has the higher median home value ($272,400 vs $229,800 in ZIP 21218).

Population, income & housing

ZIP 21218ZIP 21227
Population44,90335,695
Median age34.6 yrs36.1 yrs
Median household income$58,378$83,620
Median home value$229,800$272,400
Median gross rent$1,239$1,347
Housing units21,75114,260
Homeownership rate49.1%66.5%
Bachelor's degree or higher43.7%26.9%
Unemployment rate7.6%3.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21218ZIP 21227
Population47,555 → 44,903 (-5.6%)33,589 → 35,695 (+6.3%)
Median household income$47,029 → $58,378 (+24.1%)$68,323 → $83,620 (+22.4%)
Median home value$162,000 → $229,800 (+41.9%)$213,400 → $272,400 (+27.6%)
Median gross rent$1,065 → $1,239 (+16.3%)$1,117 → $1,347 (+20.6%)

ZIP 21218

Population
47,55544,903
Median household income
$47,029$58,378
Median home value
$162,000$229,800
Median gross rent
$1,065$1,239

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 21218ZIP 21227
Under 54.7%6.8%
5 to 1712.3%15.9%
18 to 2418.9%7.9%
25 to 3414.8%17.3%
35 to 4413.3%13.6%
45 to 548.9%9.5%
55 to 6412.3%14.2%
65 to 749.5%10.1%
75 and over5.3%4.7%

Race & ethnicity (share)

ZIP 21218ZIP 21227
White (non-Hispanic)25.5%60.9%
Black or African American59.5%16.5%
American Indian & Alaska Native0.5%0.0%
Asian4.6%4.2%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.7%1.2%
Two or more races3.9%5.0%
Hispanic or Latino5.2%12.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21218ZIP 21227
No high school diploma10.1%15.3%
High school graduate26.6%33.0%
Some college or associate's19.5%24.8%
Bachelor's degree19.5%16.3%
Graduate or professional degree24.3%10.6%

Commute to work

How workers get to work (share)

ZIP 21218ZIP 21227
Drove alone47.5%74.3%
Carpooled6.3%9.0%
Public transit12.0%3.9%
Walked10.5%0.7%
Bicycle1.6%0.1%
Worked from home20.1%10.4%
Other means2.0%1.7%

Housing

Units in structure (share)

ZIP 21218ZIP 21227
1-unit, detached10.3%45.1%
1-unit, attached53.9%39.5%
2 to 4 units11.5%4.4%
5 to 19 units8.0%5.8%
20 or more units15.8%5.1%
Mobile home & other0.4%0.1%

Poverty & households

ZIP 21218ZIP 21227
Poverty rate23.2%15.2%
Average household size2.172.59
Mean commute (minutes)2826
Median year structure built19381958

Full profiles

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ZIP 21218 vs ZIP 21227: Compare Population & Demographics | US Census Data