US Census Data

ZIP 20640 vs ZIP 20645

A side-by-side comparison of ZIP Code 20640 and ZIP Code 20645: population, income, housing, and more.

ZIP 20640 and ZIP 20645 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 20640 has the higher population (10,254 vs 717 in ZIP 20645). ZIP 20645 has the higher median household income ($176,591 vs $95,560 in ZIP 20640). ZIP 20645 has the higher median home value ($516,400 vs $307,900 in ZIP 20640).

Population, income & housing

ZIP 20640ZIP 20645
Population10,254717
Median age38.5 yrs54.6 yrs
Median household income$95,560$176,591
Median home value$307,900$516,400
Median gross rent$1,752
Housing units4,272276
Homeownership rate78.7%95.7%
Bachelor's degree or higher25.2%43.0%
Unemployment rate3.8%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 20640ZIP 20645
Population10,333 → 10,254 (-0.8%)749 → 717 (-4.3%)
Median household income$75,814 → $95,560 (+26.0%)$123,125 → $176,591 (+43.4%)
Median home value$239,400 → $307,900 (+28.6%)$350,600 → $516,400 (+47.3%)
Median gross rent$1,504 → $1,752 (+16.5%)

ZIP 20640

Population
10,33310,254
Median household income
$75,814$95,560
Median home value
$239,400$307,900
Median gross rent
$1,504$1,752

ZIP 20645

Population
749717
Median household income
$123,125$176,591
Median home value
$350,600$516,400

Age & race/ethnicity

Age distribution (share)

ZIP 20640ZIP 20645
Under 54.0%0.0%
5 to 1717.3%22.9%
18 to 2411.2%4.7%
25 to 3413.3%0.0%
35 to 4413.4%9.1%
45 to 5415.5%13.9%
55 to 6411.6%21.1%
65 to 747.5%5.7%
75 and over6.1%22.6%

Race & ethnicity (share)

ZIP 20640ZIP 20645
White (non-Hispanic)35.0%88.6%
Black or African American50.5%2.0%
American Indian & Alaska Native0.0%0.6%
Asian2.5%0.0%
Native Hawaiian & Pacific Islander0.1%0.0%
Some other race0.5%0.0%
Two or more races4.9%8.9%
Hispanic or Latino6.5%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 20640ZIP 20645
No high school diploma6.8%2.1%
High school graduate37.1%32.2%
Some college or associate's30.9%22.7%
Bachelor's degree13.7%17.1%
Graduate or professional degree11.5%25.8%

Commute to work

How workers get to work (share)

ZIP 20640ZIP 20645
Drove alone73.3%64.0%
Carpooled9.1%0.0%
Public transit2.2%0.0%
Walked2.1%0.0%
Bicycle0.0%0.0%
Worked from home12.9%36.0%
Other means0.3%0.0%

Housing

Units in structure (share)

ZIP 20640ZIP 20645
1-unit, detached69.5%100.0%
1-unit, attached27.7%0.0%
2 to 4 units0.1%0.0%
5 to 19 units1.0%0.0%
20 or more units0.0%0.0%
Mobile home & other1.7%0.0%

Poverty & households

ZIP 20640ZIP 20645
Poverty rate7.4%0.0%
Average household size2.552.60
Mean commute (minutes)4862
Median year structure built19781994

Full profiles

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