US Census Data

ZIP 21051 vs ZIP 21056

A side-by-side comparison of ZIP Code 21051 and ZIP Code 21056: population, income, housing, and more.

ZIP 21051 and ZIP 21056 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21056 has the higher population (264 vs 132 in ZIP 21051). ZIP 21056 has the higher median household income ($250,001 vs $189,453 in ZIP 21051). ZIP 21056 has the higher median home value ($2,000,001 vs $562,500 in ZIP 21051).

Population, income & housing

ZIP 21051ZIP 21056
Population132264
Median age44.8 yrs66.6 yrs
Median household income$189,453$250,001
Median home value$562,500$2,000,001
Housing units47234
Homeownership rate100.0%100.0%
Bachelor's degree or higher12.3%92.4%
Unemployment rate0.0%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21051ZIP 21056
Population295 → 132 (-55.3%)158 → 264 (+67.1%)
Median household income$161,875 → $189,453 (+17.0%)$150,583 → $250,001 (+66.0%)
Median home value$380,600 → $562,500 (+47.8%)$1,108,900 → $2,000,001 (+80.4%)

ZIP 21051

Population
295132
Median household income
$161,875$189,453
Median home value
$380,600$562,500

ZIP 21056

Population
158264
Median household income
$150,583$250,001
Median home value
$1,108,900$2,000,001

Age & race/ethnicity

Age distribution (share)

ZIP 21051ZIP 21056
Under 50.0%0.0%
5 to 1712.1%0.0%
18 to 247.6%0.0%
25 to 349.8%0.0%
35 to 4422.7%0.0%
45 to 544.5%5.7%
55 to 6426.5%13.6%
65 to 740.0%72.3%
75 and over16.7%8.3%

Race & ethnicity (share)

ZIP 21051ZIP 21056
White (non-Hispanic)100.0%100.0%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.0%0.0%
Hispanic or Latino0.0%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21051ZIP 21056
No high school diploma11.3%0.0%
High school graduate15.1%7.6%
Some college or associate's61.3%0.0%
Bachelor's degree12.3%84.1%
Graduate or professional degree0.0%8.3%

Commute to work

How workers get to work (share)

ZIP 21051ZIP 21056
Drove alone48.1%72.3%
Carpooled0.0%0.0%
Public transit0.0%0.0%
Walked0.0%12.6%
Bicycle0.0%0.0%
Worked from home51.9%15.1%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21051ZIP 21056
1-unit, detached100.0%100.0%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 21051ZIP 21056
Poverty rate0.0%0.0%
Average household size2.812.03
Median year structure built19671948

Full profiles

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ZIP 21051 vs ZIP 21056: Compare Population & Demographics | US Census Data