US Census Data

ZIP 21737 vs ZIP 21742

A side-by-side comparison of ZIP Code 21737 and ZIP Code 21742: population, income, housing, and more.

ZIP 21737 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 2,384 in ZIP 21737). ZIP 21737 has the higher median household income ($250,001 vs $80,533 in ZIP 21742). ZIP 21737 has the higher median home value ($1,032,800 vs $280,100 in ZIP 21742).

Population, income & housing

ZIP 21737ZIP 21742
Population2,38435,114
Median age38.2 yrs41.3 yrs
Median household income$250,001$80,533
Median home value$1,032,800$280,100
Median gross rent$1,267
Housing units68914,099
Homeownership rate92.0%66.6%
Bachelor's degree or higher74.3%29.9%
Unemployment rate0.8%4.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21737ZIP 21742
Population2,462 → 2,384 (-3.2%)33,483 → 35,114 (+4.9%)
Median household income$191,786 → $250,001 (+30.4%)$65,638 → $80,533 (+22.7%)
Median home value$830,800 → $1,032,800 (+24.3%)$218,300 → $280,100 (+28.3%)
Median gross rent$1,036 → $1,267 (+22.3%)

ZIP 21737

Population
2,4622,384
Median household income
$191,786$250,001
Median home value
$830,800$1,032,800

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 21737ZIP 21742
Under 57.8%7.0%
5 to 1718.1%16.8%
18 to 2411.7%8.0%
25 to 3410.8%12.1%
35 to 4413.0%11.3%
45 to 5412.7%12.7%
55 to 6418.4%13.5%
65 to 742.7%10.7%
75 and over4.7%8.0%

Race & ethnicity (share)

ZIP 21737ZIP 21742
White (non-Hispanic)73.2%69.8%
Black or African American6.5%10.2%
American Indian & Alaska Native0.0%0.1%
Asian14.7%2.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race2.0%0.6%
Two or more races3.4%6.1%
Hispanic or Latino0.3%10.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21737ZIP 21742
No high school diploma1.8%9.9%
High school graduate8.1%29.7%
Some college or associate's15.8%30.5%
Bachelor's degree29.1%16.8%
Graduate or professional degree45.2%13.1%

Commute to work

How workers get to work (share)

ZIP 21737ZIP 21742
Drove alone72.7%76.2%
Carpooled6.7%8.5%
Public transit0.5%0.2%
Walked0.0%1.6%
Bicycle0.0%0.0%
Worked from home19.3%12.6%
Other means0.7%0.9%

Housing

Units in structure (share)

ZIP 21737ZIP 21742
1-unit, detached99.1%57.5%
1-unit, attached0.9%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 21737ZIP 21742
Poverty rate0.8%11.3%
Average household size3.452.61
Mean commute (minutes)3127
Median year structure built20031980

Full profiles

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