US Census Data

ZIP 21042 vs ZIP 21048

A side-by-side comparison of ZIP Code 21042 and ZIP Code 21048: population, income, housing, and more.

ZIP 21042 and ZIP 21048 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21042 has the higher population (43,021 vs 10,002 in ZIP 21048). ZIP 21042 has the higher median household income ($190,504 vs $122,801 in ZIP 21048). ZIP 21042 has the higher median home value ($674,700 vs $423,900 in ZIP 21048).

Population, income & housing

ZIP 21042ZIP 21048
Population43,02110,002
Median age45.0 yrs44.7 yrs
Median household income$190,504$122,801
Median home value$674,700$423,900
Median gross rent$2,253$1,500
Housing units15,2693,740
Homeownership rate85.4%93.9%
Bachelor's degree or higher74.7%43.5%
Unemployment rate2.1%4.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21042ZIP 21048
Population41,195 → 43,021 (+4.4%)10,276 → 10,002 (-2.7%)
Median household income$156,812 → $190,504 (+21.5%)$111,684 → $122,801 (+10.0%)
Median home value$600,500 → $674,700 (+12.4%)$356,800 → $423,900 (+18.8%)
Median gross rent$1,750 → $2,253 (+28.7%)$1,203 → $1,500 (+24.7%)

ZIP 21042

Population
41,19543,021
Median household income
$156,812$190,504
Median home value
$600,500$674,700
Median gross rent
$1,750$2,253

ZIP 21048

Population
10,27610,002
Median household income
$111,684$122,801
Median home value
$356,800$423,900
Median gross rent
$1,203$1,500

Age & race/ethnicity

Age distribution (share)

ZIP 21042ZIP 21048
Under 54.6%4.7%
5 to 1721.2%16.0%
18 to 245.6%8.3%
25 to 346.4%9.7%
35 to 4412.2%11.5%
45 to 5415.9%10.6%
55 to 6415.2%19.7%
65 to 7411.1%9.7%
75 and over7.9%9.9%

Race & ethnicity (share)

ZIP 21042ZIP 21048
White (non-Hispanic)57.0%85.9%
Black or African American4.2%3.5%
American Indian & Alaska Native0.3%0.0%
Asian29.3%4.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.8%0.0%
Two or more races4.1%2.9%
Hispanic or Latino4.3%2.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21042ZIP 21048
No high school diploma2.5%3.7%
High school graduate8.8%29.2%
Some college or associate's14.0%23.6%
Bachelor's degree33.5%26.8%
Graduate or professional degree41.3%16.7%

Commute to work

How workers get to work (share)

ZIP 21042ZIP 21048
Drove alone67.5%72.1%
Carpooled3.9%6.0%
Public transit0.5%1.3%
Walked0.9%0.0%
Bicycle0.2%0.0%
Worked from home26.2%19.2%
Other means0.8%1.3%

Housing

Units in structure (share)

ZIP 21042ZIP 21048
1-unit, detached76.0%90.9%
1-unit, attached10.0%2.2%
2 to 4 units0.7%2.8%
5 to 19 units8.0%0.0%
20 or more units5.3%0.4%
Mobile home & other0.0%3.7%

Poverty & households

ZIP 21042ZIP 21048
Poverty rate2.7%2.2%
Average household size2.862.74
Mean commute (minutes)2940
Median year structure built19861980

Full profiles

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ZIP 21042 vs ZIP 21048: Compare Population & Demographics | US Census Data