US Census Data

ZIP 21074 vs ZIP 21078

A side-by-side comparison of ZIP Code 21074 and ZIP Code 21078: population, income, housing, and more.

ZIP 21074 and ZIP 21078 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21078 has the higher population (20,002 vs 15,070 in ZIP 21074). ZIP 21078 has the higher median household income ($109,451 vs $101,462 in ZIP 21074). ZIP 21078 has the higher median home value ($355,500 vs $349,900 in ZIP 21074).

Population, income & housing

ZIP 21074ZIP 21078
Population15,07020,002
Median age42.0 yrs47.4 yrs
Median household income$101,462$109,451
Median home value$349,900$355,500
Median gross rent$1,212$1,331
Housing units6,1588,760
Homeownership rate86.0%77.4%
Bachelor's degree or higher35.9%40.9%
Unemployment rate3.5%3.5%

Trends (ACS 5-year, 2019–2023)

ZIP 21074ZIP 21078
Population15,166 → 15,070 (-0.6%)18,366 → 20,002 (+8.9%)
Median household income$85,993 → $101,462 (+18.0%)$79,489 → $109,451 (+37.7%)
Median home value$284,700 → $349,900 (+22.9%)$292,700 → $355,500 (+21.5%)
Median gross rent$897 → $1,212 (+35.1%)$973 → $1,331 (+36.8%)

ZIP 21074

Population
15,16615,070
Median household income
$85,993$101,462
Median home value
$284,700$349,900
Median gross rent
$897$1,212

ZIP 21078

Population
18,36620,002
Median household income
$79,489$109,451
Median home value
$292,700$355,500
Median gross rent
$973$1,331

Age & race/ethnicity

Age distribution (share)

ZIP 21074ZIP 21078
Under 55.6%4.2%
5 to 1717.1%14.6%
18 to 246.6%5.7%
25 to 3411.9%12.8%
35 to 4411.9%9.8%
45 to 5411.9%13.9%
55 to 6419.0%17.5%
65 to 749.1%12.7%
75 and over7.0%8.8%

Race & ethnicity (share)

ZIP 21074ZIP 21078
White (non-Hispanic)87.4%74.8%
Black or African American5.4%11.8%
American Indian & Alaska Native0.0%0.1%
Asian2.0%2.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.0%0.4%
Two or more races2.2%4.9%
Hispanic or Latino2.0%5.4%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21074ZIP 21078
No high school diploma3.2%7.1%
High school graduate29.7%24.5%
Some college or associate's31.2%27.5%
Bachelor's degree22.4%21.0%
Graduate or professional degree13.6%19.9%

Commute to work

How workers get to work (share)

ZIP 21074ZIP 21078
Drove alone81.0%70.0%
Carpooled4.3%8.4%
Public transit0.0%1.2%
Walked0.6%2.5%
Bicycle0.0%0.3%
Worked from home14.0%16.3%
Other means0.1%1.2%

Housing

Units in structure (share)

ZIP 21074ZIP 21078
1-unit, detached76.6%59.2%
1-unit, attached10.6%18.0%
2 to 4 units4.3%6.5%
5 to 19 units5.2%8.5%
20 or more units3.0%3.5%
Mobile home & other0.3%4.2%

Poverty & households

ZIP 21074ZIP 21078
Poverty rate2.0%9.2%
Average household size2.482.39
Mean commute (minutes)3228
Median year structure built19841987

Full profiles

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ZIP 21074 vs ZIP 21078: Compare Population & Demographics | US Census Data