US Census Data

ZIP 21715 vs ZIP 21718

A side-by-side comparison of ZIP Code 21715 and ZIP Code 21718: population, income, housing, and more.

ZIP 21715 and ZIP 21718 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21718 has the higher population (142 vs 18 in ZIP 21715). Since 2019, ZIP 21718's population has grown faster (-6.0% vs -47.1%).

Population, income & housing

ZIP 21715ZIP 21718
Population18142
Median age66.5 yrs54.8 yrs
Median household income$102,917
Median home value$446,900
Median gross rent$1,104
Housing units1268
Homeownership rate100.0%71.2%
Bachelor's degree or higher0.0%49.1%
Unemployment rate0.0%9.3%

Trends (ACS 5-year, 2019–2023)

ZIP 21715ZIP 21718
Population34 → 18 (-47.1%)151 → 142 (-6.0%)
Median household income$80,417 → $102,917 (+28.0%)
Median home value$408,000 → $446,900 (+9.5%)
Median gross rent$1,281 → $1,104 (-13.8%)

ZIP 21715

Population
3418

ZIP 21718

Population
151142
Median household income
$80,417$102,917
Median home value
$408,000$446,900
Median gross rent
$1,281$1,104

Age & race/ethnicity

Age distribution (share)

ZIP 21715ZIP 21718
Under 50.0%2.1%
5 to 170.0%12.7%
18 to 240.0%4.9%
25 to 340.0%6.3%
35 to 440.0%4.2%
45 to 540.0%21.1%
55 to 6433.3%19.7%
65 to 7433.3%23.2%
75 and over33.3%5.6%

Race & ethnicity (share)

ZIP 21715ZIP 21718
White (non-Hispanic)100.0%91.5%
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%4.2%
Two or more races0.0%4.2%
Hispanic or Latino0.0%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21715ZIP 21718
No high school diploma33.3%1.8%
High school graduate66.7%28.9%
Some college or associate's0.0%20.2%
Bachelor's degree0.0%21.1%
Graduate or professional degree0.0%28.1%

Commute to work

How workers get to work (share)

ZIP 21715ZIP 21718
Drove alone100.0%74.0%
Carpooled0.0%2.6%
Public transit0.0%3.9%
Walked0.0%3.9%
Bicycle0.0%0.0%
Worked from home0.0%14.3%
Other means0.0%1.3%

Housing

Units in structure (share)

ZIP 21715ZIP 21718
1-unit, detached100.0%88.2%
1-unit, attached0.0%1.5%
2 to 4 units0.0%2.9%
5 to 19 units0.0%7.4%
20 or more units0.0%0.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 21715ZIP 21718
Poverty rate0.0%4.2%
Average household size1.502.15
Mean commute (minutes)33
Median year structure built1938

Full profiles

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