US Census Data

ZIP 21666 vs ZIP 21676

A side-by-side comparison of ZIP Code 21666 and ZIP Code 21676: population, income, housing, and more.

ZIP 21666 and ZIP 21676 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21666 has the higher population (14,205 vs 300 in ZIP 21676). ZIP 21666 has the higher median household income ($130,426 vs $112,862 in ZIP 21676). ZIP 21676 has the higher median home value ($668,800 vs $478,500 in ZIP 21666).

Population, income & housing

ZIP 21666ZIP 21676
Population14,205300
Median age46.4 yrs71.7 yrs
Median household income$130,426$112,862
Median home value$478,500$668,800
Median gross rent$1,755
Housing units5,781304
Homeownership rate81.4%100.0%
Bachelor's degree or higher42.3%55.7%
Unemployment rate4.6%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21666ZIP 21676
Population12,836 → 14,205 (+10.7%)424 → 300 (-29.2%)
Median household income$103,241 → $130,426 (+26.3%)$58,929 → $112,862 (+91.5%)
Median home value$375,500 → $478,500 (+27.4%)$609,700 → $668,800 (+9.7%)
Median gross rent$1,539 → $1,755 (+14.0%)$1,422 → $1,417 (-0.4%)

ZIP 21666

Population
12,83614,205
Median household income
$103,241$130,426
Median home value
$375,500$478,500
Median gross rent
$1,539$1,755

ZIP 21676

Population
424300
Median household income
$58,929$112,862
Median home value
$609,700$668,800
Median gross rent
$1,422$1,417

Age & race/ethnicity

Age distribution (share)

ZIP 21666ZIP 21676
Under 54.5%0.0%
5 to 1716.5%0.0%
18 to 247.2%0.0%
25 to 3410.4%19.7%
35 to 449.6%0.0%
45 to 5414.8%0.0%
55 to 6414.9%10.7%
65 to 7413.3%29.7%
75 and over8.8%40.0%

Race & ethnicity (share)

ZIP 21666ZIP 21676
White (non-Hispanic)87.9%85.7%
Black or African American3.6%0.0%
American Indian & Alaska Native0.0%0.0%
Asian1.7%9.3%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.2%0.0%
Two or more races5.0%5.0%
Hispanic or Latino1.8%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21666ZIP 21676
No high school diploma5.2%20.0%
High school graduate23.1%4.0%
Some college or associate's29.4%20.3%
Bachelor's degree25.9%47.0%
Graduate or professional degree16.4%8.7%

Commute to work

How workers get to work (share)

ZIP 21666ZIP 21676
Drove alone79.0%63.9%
Carpooled5.0%10.3%
Public transit0.1%0.0%
Walked0.5%0.0%
Bicycle0.0%0.0%
Worked from home14.8%25.8%
Other means0.6%0.0%

Housing

Units in structure (share)

ZIP 21666ZIP 21676
1-unit, detached85.0%90.8%
1-unit, attached6.7%9.2%
2 to 4 units1.6%0.0%
5 to 19 units4.5%0.0%
20 or more units1.4%0.0%
Mobile home & other0.7%0.0%

Poverty & households

ZIP 21666ZIP 21676
Poverty rate4.2%9.3%
Average household size2.571.45
Mean commute (minutes)31
Median year structure built19871981

Full profiles

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