US Census Data

ZIP 21084 vs ZIP 21090

A side-by-side comparison of ZIP Code 21084 and ZIP Code 21090: population, income, housing, and more.

ZIP 21084 and ZIP 21090 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21090 has the higher population (10,033 vs 7,488 in ZIP 21084). ZIP 21090 has the higher median household income ($124,688 vs $118,098 in ZIP 21084). ZIP 21084 has the higher median home value ($445,200 vs $374,300 in ZIP 21090).

Population, income & housing

ZIP 21084ZIP 21090
Population7,48810,033
Median age46.3 yrs38.3 yrs
Median household income$118,098$124,688
Median home value$445,200$374,300
Median gross rent$1,332$1,910
Housing units2,8464,191
Homeownership rate91.9%84.1%
Bachelor's degree or higher43.4%42.8%
Unemployment rate5.5%2.6%

Trends (ACS 5-year, 2019–2023)

ZIP 21084ZIP 21090
Population7,603 → 7,488 (-1.5%)9,991 → 10,033 (+0.4%)
Median household income$108,158 → $118,098 (+9.2%)$97,426 → $124,688 (+28.0%)
Median home value$385,900 → $445,200 (+15.4%)$313,800 → $374,300 (+19.3%)
Median gross rent$1,211 → $1,332 (+10.0%)$1,507 → $1,910 (+26.7%)

ZIP 21084

Population
7,6037,488
Median household income
$108,158$118,098
Median home value
$385,900$445,200
Median gross rent
$1,211$1,332

ZIP 21090

Population
9,99110,033
Median household income
$97,426$124,688
Median home value
$313,800$374,300
Median gross rent
$1,507$1,910

Age & race/ethnicity

Age distribution (share)

ZIP 21084ZIP 21090
Under 53.8%7.4%
5 to 1719.4%16.0%
18 to 245.7%6.4%
25 to 348.3%15.4%
35 to 4412.2%14.9%
45 to 549.1%11.6%
55 to 6416.3%11.4%
65 to 7413.8%10.4%
75 and over11.5%6.5%

Race & ethnicity (share)

ZIP 21084ZIP 21090
White (non-Hispanic)91.8%80.1%
Black or African American0.8%6.6%
American Indian & Alaska Native0.0%0.0%
Asian3.1%3.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.6%0.2%
Two or more races2.7%5.1%
Hispanic or Latino0.9%4.3%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21084ZIP 21090
No high school diploma3.1%5.1%
High school graduate25.4%20.3%
Some college or associate's28.1%31.8%
Bachelor's degree25.6%25.0%
Graduate or professional degree17.7%17.8%

Commute to work

How workers get to work (share)

ZIP 21084ZIP 21090
Drove alone79.4%75.7%
Carpooled6.3%5.5%
Public transit0.0%0.9%
Walked0.5%1.1%
Bicycle0.0%0.0%
Worked from home13.8%16.0%
Other means0.0%0.7%

Housing

Units in structure (share)

ZIP 21084ZIP 21090
1-unit, detached94.7%85.7%
1-unit, attached1.6%0.0%
2 to 4 units0.6%1.2%
5 to 19 units0.0%5.6%
20 or more units0.0%7.5%
Mobile home & other3.2%0.0%

Poverty & households

ZIP 21084ZIP 21090
Poverty rate4.7%3.0%
Average household size2.672.59
Mean commute (minutes)3921
Median year structure built19781960

Full profiles

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ZIP 21084 vs ZIP 21090: Compare Population & Demographics | US Census Data