US Census Data

ZIP 21047 vs ZIP 21056

A side-by-side comparison of ZIP Code 21047 and ZIP Code 21056: population, income, housing, and more.

ZIP 21047 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 21047 has the higher population (13,540 vs 264 in ZIP 21056). ZIP 21056 has the higher median household income ($250,001 vs $154,524 in ZIP 21047). ZIP 21056 has the higher median home value ($2,000,001 vs $516,700 in ZIP 21047).

Population, income & housing

ZIP 21047ZIP 21056
Population13,540264
Median age47.2 yrs66.6 yrs
Median household income$154,524$250,001
Median home value$516,700$2,000,001
Median gross rent$2,482
Housing units4,925234
Homeownership rate96.9%100.0%
Bachelor's degree or higher53.1%92.4%
Unemployment rate0.9%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21047ZIP 21056
Population12,266 → 13,540 (+10.4%)158 → 264 (+67.1%)
Median household income$119,663 → $154,524 (+29.1%)$150,583 → $250,001 (+66.0%)
Median home value$391,000 → $516,700 (+32.1%)$1,108,900 → $2,000,001 (+80.4%)
Median gross rent$2,021 → $2,482 (+22.8%)

ZIP 21047

Population
12,26613,540
Median household income
$119,663$154,524
Median home value
$391,000$516,700
Median gross rent
$2,021$2,482

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 21047ZIP 21056
Under 54.6%0.0%
5 to 1717.1%0.0%
18 to 248.0%0.0%
25 to 344.8%0.0%
35 to 4413.4%0.0%
45 to 5413.3%5.7%
55 to 6417.4%13.6%
65 to 7413.9%72.3%
75 and over7.6%8.3%

Race & ethnicity (share)

ZIP 21047ZIP 21056
White (non-Hispanic)87.4%100.0%
Black or African American2.2%0.0%
American Indian & Alaska Native0.0%0.0%
Asian3.8%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.1%0.0%
Two or more races1.4%0.0%
Hispanic or Latino5.1%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21047ZIP 21056
No high school diploma1.6%0.0%
High school graduate18.5%7.6%
Some college or associate's26.8%0.0%
Bachelor's degree30.5%84.1%
Graduate or professional degree22.5%8.3%

Commute to work

How workers get to work (share)

ZIP 21047ZIP 21056
Drove alone75.2%72.3%
Carpooled6.2%0.0%
Public transit1.0%0.0%
Walked1.2%12.6%
Bicycle0.0%0.0%
Worked from home16.4%15.1%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21047ZIP 21056
1-unit, detached93.8%100.0%
1-unit, attached6.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units0.2%0.0%
20 or more units0.0%0.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 21047ZIP 21056
Poverty rate3.9%0.0%
Average household size2.792.03
Mean commute (minutes)45
Median year structure built19771948

Full profiles

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ZIP 21047 vs ZIP 21056: Compare Population & Demographics | US Census Data