US Census Data

ZIP 21733 vs ZIP 21742

A side-by-side comparison of ZIP Code 21733 and ZIP Code 21742: population, income, housing, and more.

ZIP 21733 and ZIP 21742 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21742 has the higher population (35,114 vs 1,240 in ZIP 21733). ZIP 21733 has the higher median household income ($106,667 vs $80,533 in ZIP 21742). ZIP 21733 has the higher median home value ($316,300 vs $280,100 in ZIP 21742).

Population, income & housing

ZIP 21733ZIP 21742
Population1,24035,114
Median age38.1 yrs41.3 yrs
Median household income$106,667$80,533
Median home value$316,300$280,100
Median gross rent$1,267
Housing units46614,099
Homeownership rate86.1%66.6%
Bachelor's degree or higher31.9%29.9%
Unemployment rate0.0%4.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21733ZIP 21742
Population897 → 1,240 (+38.2%)33,483 → 35,114 (+4.9%)
Median household income$85,061 → $106,667 (+25.4%)$65,638 → $80,533 (+22.7%)
Median home value$324,300 → $316,300 (-2.5%)$218,300 → $280,100 (+28.3%)
Median gross rent$1,036 → $1,267 (+22.3%)

ZIP 21733

Population
8971,240
Median household income
$85,061$106,667
Median home value
$324,300$316,300

ZIP 21742

Population
33,48335,114
Median household income
$65,638$80,533
Median home value
$218,300$280,100
Median gross rent
$1,036$1,267

Age & race/ethnicity

Age distribution (share)

ZIP 21733ZIP 21742
Under 56.8%7.0%
5 to 1714.7%16.8%
18 to 246.5%8.0%
25 to 3413.4%12.1%
35 to 4415.1%11.3%
45 to 5413.4%12.7%
55 to 6410.8%13.5%
65 to 7414.8%10.7%
75 and over4.5%8.0%

Race & ethnicity (share)

ZIP 21733ZIP 21742
White (non-Hispanic)76.9%69.8%
Black or African American2.1%10.2%
American Indian & Alaska Native0.0%0.1%
Asian0.0%2.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.6%
Two or more races9.9%6.1%
Hispanic or Latino11.0%10.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21733ZIP 21742
No high school diploma4.1%9.9%
High school graduate34.9%29.7%
Some college or associate's29.0%30.5%
Bachelor's degree25.5%16.8%
Graduate or professional degree6.4%13.1%

Commute to work

How workers get to work (share)

ZIP 21733ZIP 21742
Drove alone79.4%76.2%
Carpooled3.0%8.5%
Public transit0.0%0.2%
Walked0.0%1.6%
Bicycle0.0%0.0%
Worked from home17.6%12.6%
Other means0.0%0.9%

Housing

Units in structure (share)

ZIP 21733ZIP 21742
1-unit, detached89.5%57.5%
1-unit, attached10.5%15.7%
2 to 4 units0.0%4.2%
5 to 19 units0.0%14.8%
20 or more units0.0%5.5%
Mobile home & other0.0%2.3%

Poverty & households

ZIP 21733ZIP 21742
Poverty rate3.1%11.3%
Average household size2.642.61
Mean commute (minutes)3927
Median year structure built19681980

Full profiles

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ZIP 21733 vs ZIP 21742: Compare Population & Demographics | US Census Data