US Census Data

ZIP 21647 vs ZIP 21655

A side-by-side comparison of ZIP Code 21647 and ZIP Code 21655: population, income, housing, and more.

ZIP 21647 and ZIP 21655 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21655 has the higher population (4,995 vs 412 in ZIP 21647). ZIP 21647 has the higher median household income ($111,111 vs $85,608 in ZIP 21655). ZIP 21647 has the higher median home value ($493,800 vs $291,200 in ZIP 21655).

Population, income & housing

ZIP 21647ZIP 21655
Population4124,995
Median age43.6 yrs42.5 yrs
Median household income$111,111$85,608
Median home value$493,800$291,200
Median gross rent$1,313
Housing units1772,041
Homeownership rate96.5%82.2%
Bachelor's degree or higher43.4%25.4%
Unemployment rate0.0%3.4%

Trends (ACS 5-year, 2019–2023)

ZIP 21647ZIP 21655
Population288 → 412 (+43.1%)4,747 → 4,995 (+5.2%)
Median household income$77,361 → $111,111 (+43.6%)$65,842 → $85,608 (+30.0%)
Median home value$401,800 → $493,800 (+22.9%)$215,800 → $291,200 (+34.9%)
Median gross rent$1,007 → $1,313 (+30.4%)

ZIP 21647

Population
288412
Median household income
$77,361$111,111
Median home value
$401,800$493,800

ZIP 21655

Population
4,7474,995
Median household income
$65,842$85,608
Median home value
$215,800$291,200
Median gross rent
$1,007$1,313

Age & race/ethnicity

Age distribution (share)

ZIP 21647ZIP 21655
Under 511.4%4.2%
5 to 1717.0%17.5%
18 to 240.0%7.9%
25 to 3410.9%10.3%
35 to 4411.7%14.4%
45 to 5410.7%12.4%
55 to 6419.2%16.0%
65 to 7417.7%10.0%
75 and over1.5%7.3%

Race & ethnicity (share)

ZIP 21647ZIP 21655
White (non-Hispanic)100.0%79.2%
Black or African American0.0%10.5%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.3%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%2.5%
Two or more races0.0%6.0%
Hispanic or Latino0.0%1.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21647ZIP 21655
No high school diploma4.4%8.0%
High school graduate17.6%35.1%
Some college or associate's34.6%31.4%
Bachelor's degree33.6%12.6%
Graduate or professional degree9.8%12.9%

Commute to work

How workers get to work (share)

ZIP 21647ZIP 21655
Drove alone52.9%87.2%
Carpooled3.5%3.4%
Public transit9.4%0.0%
Walked0.0%0.7%
Bicycle0.0%0.0%
Worked from home34.1%5.3%
Other means0.0%3.3%

Housing

Units in structure (share)

ZIP 21647ZIP 21655
1-unit, detached100.0%87.3%
1-unit, attached0.0%2.5%
2 to 4 units0.0%2.6%
5 to 19 units0.0%1.4%
20 or more units0.0%0.0%
Mobile home & other0.0%6.2%

Poverty & households

ZIP 21647ZIP 21655
Poverty rate1.2%7.3%
Average household size2.422.70
Mean commute (minutes)2929
Median year structure built19811979

Full profiles

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ZIP 21647 vs ZIP 21655: Compare Population & Demographics | US Census Data