US Census Data

ZIP 21661 vs ZIP 21666

A side-by-side comparison of ZIP Code 21661 and ZIP Code 21666: population, income, housing, and more.

ZIP 21661 and ZIP 21666 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 2,400 in ZIP 21661). ZIP 21666 has the higher median household income ($130,426 vs $87,778 in ZIP 21661). ZIP 21666 has the higher median home value ($478,500 vs $258,800 in ZIP 21661).

Population, income & housing

ZIP 21661ZIP 21666
Population2,40014,205
Median age59.0 yrs46.4 yrs
Median household income$87,778$130,426
Median home value$258,800$478,500
Median gross rent$1,146$1,755
Housing units1,7375,781
Homeownership rate76.8%81.4%
Bachelor's degree or higher36.7%42.3%
Unemployment rate1.2%4.6%

Trends (ACS 5-year, 2019–2023)

ZIP 21661ZIP 21666
Population2,487 → 2,400 (-3.5%)12,836 → 14,205 (+10.7%)
Median household income$41,250 → $87,778 (+112.8%)$103,241 → $130,426 (+26.3%)
Median home value$197,800 → $258,800 (+30.8%)$375,500 → $478,500 (+27.4%)
Median gross rent$1,069 → $1,146 (+7.2%)$1,539 → $1,755 (+14.0%)

ZIP 21661

Population
2,4872,400
Median household income
$41,250$87,778
Median home value
$197,800$258,800
Median gross rent
$1,069$1,146

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

Age & race/ethnicity

Age distribution (share)

ZIP 21661ZIP 21666
Under 51.2%4.5%
5 to 1712.2%16.5%
18 to 245.2%7.2%
25 to 3411.8%10.4%
35 to 449.1%9.6%
45 to 545.4%14.8%
55 to 6418.5%14.9%
65 to 7419.4%13.3%
75 and over17.2%8.8%

Race & ethnicity (share)

ZIP 21661ZIP 21666
White (non-Hispanic)89.0%87.9%
Black or African American3.1%3.6%
American Indian & Alaska Native0.0%0.0%
Asian0.0%1.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.2%0.2%
Two or more races2.0%5.0%
Hispanic or Latino5.7%1.8%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21661ZIP 21666
No high school diploma7.5%5.2%
High school graduate31.6%23.1%
Some college or associate's24.2%29.4%
Bachelor's degree19.9%25.9%
Graduate or professional degree16.9%16.4%

Commute to work

How workers get to work (share)

ZIP 21661ZIP 21666
Drove alone76.4%79.0%
Carpooled7.7%5.0%
Public transit0.0%0.1%
Walked7.0%0.5%
Bicycle0.6%0.0%
Worked from home7.3%14.8%
Other means0.9%0.6%

Housing

Units in structure (share)

ZIP 21661ZIP 21666
1-unit, detached83.8%85.0%
1-unit, attached5.3%6.7%
2 to 4 units1.3%1.6%
5 to 19 units5.8%4.5%
20 or more units2.0%1.4%
Mobile home & other1.8%0.7%

Poverty & households

ZIP 21661ZIP 21666
Poverty rate10.3%4.2%
Average household size2.042.57
Mean commute (minutes)2631
Median year structure built19761987

Full profiles

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ZIP 21661 vs ZIP 21666: Compare Population & Demographics | US Census Data