US Census Data

ZIP 21128 vs ZIP 21133

A side-by-side comparison of ZIP Code 21128 and ZIP Code 21133: population, income, housing, and more.

ZIP 21128 and ZIP 21133 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21133 has the higher population (31,847 vs 14,954 in ZIP 21128). ZIP 21128 has the higher median household income ($123,191 vs $84,248 in ZIP 21133). ZIP 21128 has the higher median home value ($424,200 vs $302,000 in ZIP 21133).

Population, income & housing

ZIP 21128ZIP 21133
Population14,95431,847
Median age40.6 yrs47.5 yrs
Median household income$123,191$84,248
Median home value$424,200$302,000
Median gross rent$1,644$1,518
Housing units5,81112,785
Homeownership rate83.6%69.1%
Bachelor's degree or higher54.1%34.6%
Unemployment rate2.6%7.2%

Trends (ACS 5-year, 2019–2023)

ZIP 21128ZIP 21133
Population13,985 → 14,954 (+6.9%)33,299 → 31,847 (-4.4%)
Median household income$100,417 → $123,191 (+22.7%)$80,969 → $84,248 (+4.0%)
Median home value$328,300 → $424,200 (+29.2%)$241,400 → $302,000 (+25.1%)
Median gross rent$1,422 → $1,644 (+15.6%)$1,214 → $1,518 (+25.0%)

ZIP 21128

Population
13,98514,954
Median household income
$100,417$123,191
Median home value
$328,300$424,200
Median gross rent
$1,422$1,644

ZIP 21133

Population
33,29931,847
Median household income
$80,969$84,248
Median home value
$241,400$302,000
Median gross rent
$1,214$1,518

Age & race/ethnicity

Age distribution (share)

ZIP 21128ZIP 21133
Under 54.2%4.1%
5 to 1717.8%14.2%
18 to 247.3%8.1%
25 to 3413.0%8.9%
35 to 4412.8%11.4%
45 to 5414.0%14.0%
55 to 6413.6%18.3%
65 to 7410.3%13.1%
75 and over7.0%8.0%

Race & ethnicity (share)

ZIP 21128ZIP 21133
White (non-Hispanic)66.1%9.3%
Black or African American9.0%77.0%
American Indian & Alaska Native0.0%0.1%
Asian15.7%1.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.2%1.0%
Two or more races2.7%3.8%
Hispanic or Latino6.3%7.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21128ZIP 21133
No high school diploma6.1%9.7%
High school graduate19.6%25.6%
Some college or associate's20.2%30.1%
Bachelor's degree32.6%19.4%
Graduate or professional degree21.6%15.2%

Commute to work

How workers get to work (share)

ZIP 21128ZIP 21133
Drove alone71.8%72.5%
Carpooled6.8%7.9%
Public transit3.5%6.2%
Walked2.5%0.5%
Bicycle0.0%0.0%
Worked from home13.0%11.3%
Other means2.4%1.7%

Housing

Units in structure (share)

ZIP 21128ZIP 21133
1-unit, detached56.6%53.4%
1-unit, attached18.4%20.3%
2 to 4 units1.0%2.2%
5 to 19 units18.5%18.8%
20 or more units5.5%5.3%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 21128ZIP 21133
Poverty rate4.1%8.8%
Average household size2.752.50
Mean commute (minutes)3233
Median year structure built20001977

Full profiles

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ZIP 21128 vs ZIP 21133: Compare Population & Demographics | US Census Data