US Census Data

ZIP 21866 vs ZIP 21875

A side-by-side comparison of ZIP Code 21866 and ZIP Code 21875: population, income, housing, and more.

ZIP 21866 and ZIP 21875 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21875 has the higher population (7,455 vs 106 in ZIP 21866). ZIP 21866 has the higher median household income ($81,420 vs $76,007 in ZIP 21875). ZIP 21875 has the higher median home value ($226,600 vs $95,700 in ZIP 21866).

Population, income & housing

ZIP 21866ZIP 21875
Population1067,455
Median age60.7 yrs40.7 yrs
Median household income$81,420$76,007
Median home value$95,700$226,600
Median gross rent$1,320
Housing units963,553
Homeownership rate100.0%70.8%
Bachelor's degree or higher4.7%26.7%
Unemployment rate21.1%4.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21866ZIP 21875
Population48 → 106 (+120.8%)6,676 → 7,455 (+11.7%)
Median household income$73,684 → $81,420 (+10.5%)$61,094 → $76,007 (+24.4%)
Median home value$80,500 → $95,700 (+18.9%)$166,500 → $226,600 (+36.1%)
Median gross rent$1,067 → $1,320 (+23.7%)

ZIP 21866

Population
48106
Median household income
$73,684$81,420
Median home value
$80,500$95,700

ZIP 21875

Population
6,6767,455
Median household income
$61,094$76,007
Median home value
$166,500$226,600
Median gross rent
$1,067$1,320

Age & race/ethnicity

Age distribution (share)

ZIP 21866ZIP 21875
Under 50.0%3.9%
5 to 170.0%13.5%
18 to 240.0%11.5%
25 to 341.9%12.5%
35 to 444.7%11.3%
45 to 5414.2%12.1%
55 to 6445.3%18.5%
65 to 7434.0%11.6%
75 and over0.0%5.1%

Race & ethnicity (share)

ZIP 21866ZIP 21875
White (non-Hispanic)93.4%63.7%
Black or African American4.7%19.3%
American Indian & Alaska Native0.0%0.1%
Asian0.0%5.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.3%
Two or more races0.0%2.1%
Hispanic or Latino1.9%8.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21866ZIP 21875
No high school diploma67.0%8.8%
High school graduate28.3%30.9%
Some college or associate's0.0%33.6%
Bachelor's degree4.7%18.4%
Graduate or professional degree0.0%8.3%

Commute to work

How workers get to work (share)

ZIP 21866ZIP 21875
Drove alone0.0%88.2%
Carpooled0.0%4.5%
Public transit8.3%0.0%
Walked36.7%0.3%
Bicycle0.0%0.7%
Worked from home30.0%6.3%
Other means25.0%0.0%

Housing

Units in structure (share)

ZIP 21866ZIP 21875
1-unit, detached77.1%68.8%
1-unit, attached0.0%3.4%
2 to 4 units0.0%4.0%
5 to 19 units0.0%15.6%
20 or more units0.0%4.0%
Mobile home & other22.9%4.2%

Poverty & households

ZIP 21866ZIP 21875
Poverty rate40.6%5.6%
Average household size1.632.26
Mean commute (minutes)923
Median year structure built19571994

Full profiles

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ZIP 21866 vs ZIP 21875: Compare Population & Demographics | US Census Data