US Census Data

ZIP 21658 vs ZIP 21666

A side-by-side comparison of ZIP Code 21658 and ZIP Code 21666: population, income, housing, and more.

ZIP 21658 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 3,802 in ZIP 21658). ZIP 21658 has the higher median household income ($132,500 vs $130,426 in ZIP 21666). ZIP 21666 has the higher median home value ($478,500 vs $471,300 in ZIP 21658).

Population, income & housing

ZIP 21658ZIP 21666
Population3,80214,205
Median age55.0 yrs46.4 yrs
Median household income$132,500$130,426
Median home value$471,300$478,500
Median gross rent$1,775$1,755
Housing units1,8275,781
Homeownership rate89.0%81.4%
Bachelor's degree or higher42.7%42.3%
Unemployment rate3.6%4.6%

Trends (ACS 5-year, 2019–2023)

ZIP 21658ZIP 21666
Population3,987 → 3,802 (-4.6%)12,836 → 14,205 (+10.7%)
Median household income$110,348 → $132,500 (+20.1%)$103,241 → $130,426 (+26.3%)
Median home value$421,300 → $471,300 (+11.9%)$375,500 → $478,500 (+27.4%)
Median gross rent$1,547 → $1,775 (+14.7%)$1,539 → $1,755 (+14.0%)

ZIP 21658

Population
3,9873,802
Median household income
$110,348$132,500
Median home value
$421,300$471,300
Median gross rent
$1,547$1,775

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 21658ZIP 21666
Under 54.6%4.5%
5 to 1711.7%16.5%
18 to 246.6%7.2%
25 to 347.8%10.4%
35 to 449.8%9.6%
45 to 549.5%14.8%
55 to 6426.4%14.9%
65 to 7415.3%13.3%
75 and over8.4%8.8%

Race & ethnicity (share)

ZIP 21658ZIP 21666
White (non-Hispanic)70.9%87.9%
Black or African American7.8%3.6%
American Indian & Alaska Native0.0%0.0%
Asian1.2%1.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.5%0.2%
Two or more races5.5%5.0%
Hispanic or Latino13.1%1.8%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21658ZIP 21666
No high school diploma5.6%5.2%
High school graduate26.5%23.1%
Some college or associate's25.2%29.4%
Bachelor's degree22.6%25.9%
Graduate or professional degree20.2%16.4%

Commute to work

How workers get to work (share)

ZIP 21658ZIP 21666
Drove alone75.5%79.0%
Carpooled10.2%5.0%
Public transit0.4%0.1%
Walked1.3%0.5%
Bicycle0.0%0.0%
Worked from home12.6%14.8%
Other means0.0%0.6%

Housing

Units in structure (share)

ZIP 21658ZIP 21666
1-unit, detached89.8%85.0%
1-unit, attached2.1%6.7%
2 to 4 units3.6%1.6%
5 to 19 units0.0%4.5%
20 or more units0.0%1.4%
Mobile home & other4.5%0.7%

Poverty & households

ZIP 21658ZIP 21666
Poverty rate10.2%4.2%
Average household size2.622.57
Mean commute (minutes)3831
Median year structure built19861987

Full profiles

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ZIP 21658 vs ZIP 21666: Compare Population & Demographics | US Census Data