US Census Data

ZIP 21861 vs ZIP 21866

A side-by-side comparison of ZIP Code 21861 and ZIP Code 21866: population, income, housing, and more.

ZIP 21861 and ZIP 21866 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21861 has the higher population (806 vs 106 in ZIP 21866). ZIP 21861 has the higher median household income ($85,714 vs $81,420 in ZIP 21866). ZIP 21861 has the higher median home value ($186,700 vs $95,700 in ZIP 21866).

Population, income & housing

ZIP 21861ZIP 21866
Population806106
Median age37.7 yrs60.7 yrs
Median household income$85,714$81,420
Median home value$186,700$95,700
Median gross rent$1,118
Housing units35496
Homeownership rate84.7%100.0%
Bachelor's degree or higher18.7%4.7%
Unemployment rate3.8%21.1%

Trends (ACS 5-year, 2019–2023)

ZIP 21861ZIP 21866
Population689 → 806 (+17.0%)48 → 106 (+120.8%)
Median household income$65,809 → $85,714 (+30.2%)$73,684 → $81,420 (+10.5%)
Median home value$154,500 → $186,700 (+20.8%)$80,500 → $95,700 (+18.9%)
Median gross rent$870 → $1,118 (+28.5%)

ZIP 21861

Population
689806
Median household income
$65,809$85,714
Median home value
$154,500$186,700
Median gross rent
$870$1,118

ZIP 21866

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

Age & race/ethnicity

Age distribution (share)

ZIP 21861ZIP 21866
Under 55.6%0.0%
5 to 1717.2%0.0%
18 to 247.6%0.0%
25 to 3415.5%1.9%
35 to 4411.4%4.7%
45 to 5414.3%14.2%
55 to 6412.4%45.3%
65 to 749.4%34.0%
75 and over6.6%0.0%

Race & ethnicity (share)

ZIP 21861ZIP 21866
White (non-Hispanic)89.0%93.4%
Black or African American6.0%4.7%
American Indian & Alaska Native0.0%0.0%
Asian1.4%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races2.4%0.0%
Hispanic or Latino1.4%1.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21861ZIP 21866
No high school diploma6.8%67.0%
High school graduate39.2%28.3%
Some college or associate's35.3%0.0%
Bachelor's degree11.2%4.7%
Graduate or professional degree7.5%0.0%

Commute to work

How workers get to work (share)

ZIP 21861ZIP 21866
Drove alone87.2%0.0%
Carpooled7.3%0.0%
Public transit0.0%8.3%
Walked0.0%36.7%
Bicycle0.0%0.0%
Worked from home5.5%30.0%
Other means0.0%25.0%

Housing

Units in structure (share)

ZIP 21861ZIP 21866
1-unit, detached95.5%77.1%
1-unit, attached0.8%0.0%
2 to 4 units3.7%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other0.0%22.9%

Poverty & households

ZIP 21861ZIP 21866
Poverty rate4.6%40.6%
Average household size2.571.63
Mean commute (minutes)309
Median year structure built19381957

Full profiles

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ZIP 21861 vs ZIP 21866: Compare Population & Demographics | US Census Data