US Census Data

ZIP 21665 vs ZIP 21675

A side-by-side comparison of ZIP Code 21665 and ZIP Code 21675: population, income, housing, and more.

ZIP 21665 and ZIP 21675 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21665 has the higher population (169 vs 43 in ZIP 21675). Since 2019, ZIP 21665's population has grown faster (-21.4% vs -52.2%).

Population, income & housing

ZIP 21665ZIP 21675
Population16943
Median age62.5 yrs67.4 yrs
Median household income$23,958
Median home value$525,900
Housing units18975
Homeownership rate100.0%100.0%
Bachelor's degree or higher41.8%25.6%
Unemployment rate8.7%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21665ZIP 21675
Population215 → 169 (-21.4%)90 → 43 (-52.2%)
Median household income$87,250 → $150,809 (+72.8%)$41,250 → $23,958 (-41.9%)
Median home value$479,400 → $525,900 (+9.7%)$90,000 → $112,500 (+25.0%)

ZIP 21665

Population
215169
Median household income
$87,250$150,809
Median home value
$479,400$525,900

ZIP 21675

Population
9043
Median household income
$41,250$23,958
Median home value
$90,000$112,500

Age & race/ethnicity

Age distribution (share)

ZIP 21665ZIP 21675
Under 50.0%0.0%
5 to 176.5%0.0%
18 to 240.0%0.0%
25 to 340.0%0.0%
35 to 443.0%14.0%
45 to 542.4%0.0%
55 to 6440.2%25.6%
65 to 7437.9%25.6%
75 and over10.1%34.9%

Race & ethnicity (share)

ZIP 21665ZIP 21675
White (non-Hispanic)89.3%100.0%
Black or African American0.0%0.0%
American Indian & Alaska Native0.0%0.0%
Asian4.1%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.0%0.0%
Hispanic or Latino6.5%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21665ZIP 21675
No high school diploma10.1%25.6%
High school graduate27.2%48.8%
Some college or associate's20.9%0.0%
Bachelor's degree17.7%0.0%
Graduate or professional degree24.1%25.6%

Commute to work

How workers get to work (share)

ZIP 21665ZIP 21675
Drove alone61.9%100.0%
Carpooled0.0%0.0%
Public transit0.0%0.0%
Walked11.1%0.0%
Bicycle0.0%0.0%
Worked from home27.0%0.0%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21665ZIP 21675
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 21665ZIP 21675
Poverty rate13.0%23.3%
Average household size1.841.59
Mean commute (minutes)40
Median year structure built19951941

Full profiles

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