US Census Data

ZIP 21639 vs ZIP 21640

A side-by-side comparison of ZIP Code 21639 and ZIP Code 21640: population, income, housing, and more.

ZIP 21639 and ZIP 21640 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21639 has the higher population (4,621 vs 1,251 in ZIP 21640). ZIP 21640 has the higher median household income ($65,952 vs $59,274 in ZIP 21639). ZIP 21639 has the higher median home value ($270,300 vs $260,200 in ZIP 21640).

Population, income & housing

ZIP 21639ZIP 21640
Population4,6211,251
Median age37.3 yrs41.8 yrs
Median household income$59,274$65,952
Median home value$270,300$260,200
Median gross rent$1,017$1,625
Housing units1,890546
Homeownership rate71.4%96.0%
Bachelor's degree or higher12.2%14.6%
Unemployment rate3.0%1.4%

Trends (ACS 5-year, 2019–2023)

ZIP 21639ZIP 21640
Population5,279 → 4,621 (-12.5%)1,499 → 1,251 (-16.5%)
Median household income$55,417 → $59,274 (+7.0%)$59,250 → $65,952 (+11.3%)
Median home value$167,000 → $270,300 (+61.9%)$206,300 → $260,200 (+26.1%)
Median gross rent$858 → $1,017 (+18.5%)$875 → $1,625 (+85.7%)

ZIP 21639

Population
5,2794,621
Median household income
$55,417$59,274
Median home value
$167,000$270,300
Median gross rent
$858$1,017

ZIP 21640

Population
1,4991,251
Median household income
$59,250$65,952
Median home value
$206,300$260,200
Median gross rent
$875$1,625

Age & race/ethnicity

Age distribution (share)

ZIP 21639ZIP 21640
Under 58.4%4.9%
5 to 1719.8%17.8%
18 to 247.8%5.4%
25 to 3410.3%12.0%
35 to 4414.3%13.7%
45 to 5411.6%7.8%
55 to 6412.7%12.5%
65 to 748.8%12.1%
75 and over6.3%13.7%

Race & ethnicity (share)

ZIP 21639ZIP 21640
White (non-Hispanic)70.6%74.7%
Black or African American8.8%0.0%
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 races1.9%0.2%
Hispanic or Latino18.7%25.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21639ZIP 21640
No high school diploma16.8%19.0%
High school graduate42.3%53.5%
Some college or associate's28.7%12.9%
Bachelor's degree7.3%13.1%
Graduate or professional degree4.9%1.4%

Commute to work

How workers get to work (share)

ZIP 21639ZIP 21640
Drove alone77.4%94.6%
Carpooled8.9%1.7%
Public transit1.2%0.0%
Walked5.9%2.7%
Bicycle0.0%0.0%
Worked from home3.7%1.0%
Other means3.0%0.0%

Housing

Units in structure (share)

ZIP 21639ZIP 21640
1-unit, detached75.2%55.9%
1-unit, attached5.4%0.0%
2 to 4 units6.7%0.7%
5 to 19 units3.0%0.0%
20 or more units4.0%0.0%
Mobile home & other5.8%43.4%

Poverty & households

ZIP 21639ZIP 21640
Poverty rate14.3%8.8%
Average household size2.742.37
Mean commute (minutes)3633
Median year structure built19821986

Full profiles

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ZIP 21639 vs ZIP 21640: Compare Population & Demographics | US Census Data