US Census Data

ZIP 21824 vs ZIP 21830

A side-by-side comparison of ZIP Code 21824 and ZIP Code 21830: population, income, housing, and more.

ZIP 21824 and ZIP 21830 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21830 has the higher population (5,001 vs 234 in ZIP 21824). ZIP 21830 has the higher median household income ($110,015 vs $87,938 in ZIP 21824). ZIP 21830 has the higher median home value ($244,900 vs $109,000 in ZIP 21824).

Population, income & housing

ZIP 21824ZIP 21830
Population2345,001
Median age48.6 yrs38.9 yrs
Median household income$87,938$110,015
Median home value$109,000$244,900
Median gross rent$1,413
Housing units1511,872
Homeownership rate80.2%86.3%
Bachelor's degree or higher1.1%39.2%
Unemployment rate0.0%4.6%

Trends (ACS 5-year, 2019–2023)

ZIP 21824ZIP 21830
Population101 → 234 (+131.7%)4,060 → 5,001 (+23.2%)
Median household income$73,047 → $87,938 (+20.4%)$75,913 → $110,015 (+44.9%)
Median home value$111,400 → $109,000 (-2.2%)$159,700 → $244,900 (+53.4%)
Median gross rent$810 → $1,413 (+74.4%)

ZIP 21824

Population
101234
Median household income
$73,047$87,938
Median home value
$111,400$109,000

ZIP 21830

Population
4,0605,001
Median household income
$75,913$110,015
Median home value
$159,700$244,900
Median gross rent
$810$1,413

Age & race/ethnicity

Age distribution (share)

ZIP 21824ZIP 21830
Under 50.0%4.3%
5 to 1722.6%19.7%
18 to 242.1%15.3%
25 to 341.7%7.5%
35 to 4414.1%10.8%
45 to 5421.4%16.1%
55 to 640.9%12.8%
65 to 7423.1%7.4%
75 and over14.1%6.3%

Race & ethnicity (share)

ZIP 21824ZIP 21830
White (non-Hispanic)99.1%80.3%
Black or African American0.0%13.6%
American Indian & Alaska Native0.0%0.1%
Asian0.0%0.2%
Native Hawaiian & Pacific Islander0.0%0.3%
Some other race0.0%0.5%
Two or more races0.9%2.4%
Hispanic or Latino0.0%2.7%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21824ZIP 21830
No high school diploma31.8%3.1%
High school graduate51.1%26.7%
Some college or associate's15.9%31.1%
Bachelor's degree0.0%28.3%
Graduate or professional degree1.1%10.9%

Commute to work

How workers get to work (share)

ZIP 21824ZIP 21830
Drove alone55.7%79.5%
Carpooled5.1%3.9%
Public transit0.0%0.5%
Walked0.0%0.0%
Bicycle0.0%0.0%
Worked from home19.0%14.9%
Other means20.3%1.2%

Housing

Units in structure (share)

ZIP 21824ZIP 21830
1-unit, detached93.4%91.8%
1-unit, attached0.0%1.2%
2 to 4 units0.0%0.0%
5 to 19 units0.0%1.0%
20 or more units0.0%0.4%
Mobile home & other6.6%5.6%

Poverty & households

ZIP 21824ZIP 21830
Poverty rate7.7%6.4%
Average household size2.212.77
Mean commute (minutes)826
Median year structure built19381998

Full profiles

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