US Census Data

ZIP 21790 vs ZIP 21798

A side-by-side comparison of ZIP Code 21790 and ZIP Code 21798: population, income, housing, and more.

ZIP 21790 and ZIP 21798 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21798 has the higher population (2,765 vs 38 in ZIP 21790). Since 2019, ZIP 21798's population has grown faster (+34.4% vs -75.8%).

Population, income & housing

ZIP 21790ZIP 21798
Population382,765
Median age2.9 yrs41.6 yrs
Median household income$125,583
Median home value$466,100
Median gross rent$932
Housing units8933
Homeownership rate0.0%81.5%
Bachelor's degree or higher0.0%37.2%
Unemployment rate0.0%5.3%

Trends (ACS 5-year, 2019–2023)

ZIP 21790ZIP 21798
Population157 → 38 (-75.8%)2,057 → 2,765 (+34.4%)
Median household income$82,500 → $125,583 (+52.2%)
Median home value$535,000 → $540,400 (+1.0%)$344,700 → $466,100 (+35.2%)
Median gross rent$796 → $932 (+17.1%)

ZIP 21790

Population
15738
Median home value
$535,000$540,400

ZIP 21798

Population
2,0572,765
Median household income
$82,500$125,583
Median home value
$344,700$466,100
Median gross rent
$796$932

Age & race/ethnicity

Age distribution (share)

ZIP 21790ZIP 21798
Under 552.6%3.9%
5 to 170.0%21.0%
18 to 240.0%9.6%
25 to 3447.4%9.4%
35 to 440.0%9.0%
45 to 540.0%17.0%
55 to 640.0%16.6%
65 to 740.0%8.5%
75 and over0.0%5.0%

Race & ethnicity (share)

ZIP 21790ZIP 21798
White (non-Hispanic)100.0%80.4%
Black or African American0.0%13.1%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.0%3.8%
Hispanic or Latino0.0%2.1%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21790ZIP 21798
No high school diploma0.0%6.2%
High school graduate55.6%23.8%
Some college or associate's44.4%32.8%
Bachelor's degree0.0%21.7%
Graduate or professional degree0.0%15.5%

Commute to work

How workers get to work (share)

ZIP 21790ZIP 21798
Drove alone100.0%66.1%
Carpooled0.0%11.3%
Public transit0.0%0.0%
Walked0.0%2.7%
Bicycle0.0%0.0%
Worked from home0.0%15.2%
Other means0.0%4.8%

Housing

Units in structure (share)

ZIP 21790ZIP 21798
1-unit, detached0.0%85.2%
1-unit, attached0.0%4.2%
2 to 4 units0.0%1.6%
5 to 19 units0.0%5.8%
20 or more units0.0%0.5%
Mobile home & other100.0%2.7%

Poverty & households

ZIP 21790ZIP 21798
Poverty rate0.0%13.9%
Average household size4.753.22
Mean commute (minutes)35
Median year structure built1987

Full profiles

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ZIP 21790 vs ZIP 21798: Compare Population & Demographics | US Census Data