US Census Data

ZIP 21734 vs ZIP 21742

A side-by-side comparison of ZIP Code 21734 and ZIP Code 21742: population, income, housing, and more.

ZIP 21734 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 826 in ZIP 21734). ZIP 21742 has the higher median household income ($80,533 vs $58,438 in ZIP 21734). ZIP 21742 has the higher median home value ($280,100 vs $241,900 in ZIP 21734).

Population, income & housing

ZIP 21734ZIP 21742
Population82635,114
Median age55.6 yrs41.3 yrs
Median household income$58,438$80,533
Median home value$241,900$280,100
Median gross rent$802$1,267
Housing units48714,099
Homeownership rate60.7%66.6%
Bachelor's degree or higher31.6%29.9%
Unemployment rate3.9%4.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21734ZIP 21742
Population816 → 826 (+1.2%)33,483 → 35,114 (+4.9%)
Median household income$36,667 → $58,438 (+59.4%)$65,638 → $80,533 (+22.7%)
Median home value$152,600 → $241,900 (+58.5%)$218,300 → $280,100 (+28.3%)
Median gross rent$674 → $802 (+19.0%)$1,036 → $1,267 (+22.3%)

ZIP 21734

Population
816826
Median household income
$36,667$58,438
Median home value
$152,600$241,900
Median gross rent
$674$802

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 21734ZIP 21742
Under 51.0%7.0%
5 to 173.9%16.8%
18 to 247.9%8.0%
25 to 345.7%12.1%
35 to 447.6%11.3%
45 to 5422.5%12.7%
55 to 6426.6%13.5%
65 to 7413.3%10.7%
75 and over11.5%8.0%

Race & ethnicity (share)

ZIP 21734ZIP 21742
White (non-Hispanic)97.0%69.8%
Black or African American0.0%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 races1.6%6.1%
Hispanic or Latino1.5%10.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21734ZIP 21742
No high school diploma9.0%9.9%
High school graduate30.4%29.7%
Some college or associate's29.0%30.5%
Bachelor's degree18.6%16.8%
Graduate or professional degree13.0%13.1%

Commute to work

How workers get to work (share)

ZIP 21734ZIP 21742
Drove alone60.9%76.2%
Carpooled23.4%8.5%
Public transit1.1%0.2%
Walked1.8%1.6%
Bicycle0.0%0.0%
Worked from home11.6%12.6%
Other means1.1%0.9%

Housing

Units in structure (share)

ZIP 21734ZIP 21742
1-unit, detached57.7%57.5%
1-unit, attached8.8%15.7%
2 to 4 units15.4%4.2%
5 to 19 units8.4%14.8%
20 or more units0.0%5.5%
Mobile home & other9.7%2.3%

Poverty & households

ZIP 21734ZIP 21742
Poverty rate6.5%11.3%
Average household size1.782.61
Mean commute (minutes)1827
Median year structure built19551980

Full profiles

2