US Census Data

ZIP 21864 vs ZIP 21866

A side-by-side comparison of ZIP Code 21864 and ZIP Code 21866: population, income, housing, and more.

ZIP 21864 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 21864 has the higher population (667 vs 106 in ZIP 21866). ZIP 21864 has the higher median household income ($87,717 vs $81,420 in ZIP 21866). ZIP 21864 has the higher median home value ($173,100 vs $95,700 in ZIP 21866).

Population, income & housing

ZIP 21864ZIP 21866
Population667106
Median age43.0 yrs60.7 yrs
Median household income$87,717$81,420
Median home value$173,100$95,700
Housing units32196
Homeownership rate83.7%100.0%
Bachelor's degree or higher5.2%4.7%
Unemployment rate7.6%21.1%

Trends (ACS 5-year, 2019–2023)

ZIP 21864ZIP 21866
Population548 → 667 (+21.7%)48 → 106 (+120.8%)
Median household income$48,456 → $87,717 (+81.0%)$73,684 → $81,420 (+10.5%)
Median home value$180,400 → $173,100 (-4.0%)$80,500 → $95,700 (+18.9%)

ZIP 21864

Population
548667
Median household income
$48,456$87,717
Median home value
$180,400$173,100

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 21864ZIP 21866
Under 50.0%0.0%
5 to 1730.7%0.0%
18 to 248.5%0.0%
25 to 344.6%1.9%
35 to 4413.3%4.7%
45 to 5412.0%14.2%
55 to 6412.9%45.3%
65 to 746.9%34.0%
75 and over10.9%0.0%

Race & ethnicity (share)

ZIP 21864ZIP 21866
White (non-Hispanic)78.0%93.4%
Black or African American18.6%4.7%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races3.4%0.0%
Hispanic or Latino0.0%1.9%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21864ZIP 21866
No high school diploma15.3%67.0%
High school graduate39.5%28.3%
Some college or associate's40.0%0.0%
Bachelor's degree5.2%4.7%
Graduate or professional degree0.0%0.0%

Commute to work

How workers get to work (share)

ZIP 21864ZIP 21866
Drove alone100.0%0.0%
Carpooled0.0%0.0%
Public transit0.0%8.3%
Walked0.0%36.7%
Bicycle0.0%0.0%
Worked from home0.0%30.0%
Other means0.0%25.0%

Housing

Units in structure (share)

ZIP 21864ZIP 21866
1-unit, detached87.2%77.1%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other12.8%22.9%

Poverty & households

ZIP 21864ZIP 21866
Poverty rate1.6%40.6%
Average household size2.651.63
Mean commute (minutes)209
Median year structure built19931957

Full profiles

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