US Census Data

ZIP 20630 vs ZIP 20640

A side-by-side comparison of ZIP Code 20630 and ZIP Code 20640: population, income, housing, and more.

ZIP 20630 and ZIP 20640 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 346 in ZIP 20630). ZIP 20630 has the higher median household income ($227,581 vs $95,560 in ZIP 20640). ZIP 20630 has the higher median home value ($584,600 vs $307,900 in ZIP 20640).

Population, income & housing

ZIP 20630ZIP 20640
Population34610,254
Median age56.7 yrs38.5 yrs
Median household income$227,581$95,560
Median home value$584,600$307,900
Median gross rent$1,752
Housing units1884,272
Homeownership rate68.1%78.7%
Bachelor's degree or higher68.5%25.2%
Unemployment rate8.3%3.8%

Trends (ACS 5-year, 2019–2023)

ZIP 20630ZIP 20640
Population301 → 346 (+15.0%)10,333 → 10,254 (-0.8%)
Median household income$96,875 → $227,581 (+134.9%)$75,814 → $95,560 (+26.0%)
Median home value$534,100 → $584,600 (+9.5%)$239,400 → $307,900 (+28.6%)
Median gross rent$1,504 → $1,752 (+16.5%)

ZIP 20630

Population
301346
Median household income
$96,875$227,581
Median home value
$534,100$584,600

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

Age & race/ethnicity

Age distribution (share)

ZIP 20630ZIP 20640
Under 50.0%4.0%
5 to 178.4%17.3%
18 to 249.0%11.2%
25 to 340.0%13.3%
35 to 440.0%13.4%
45 to 5419.7%15.5%
55 to 6423.1%11.6%
65 to 7425.1%7.5%
75 and over14.7%6.1%

Race & ethnicity (share)

ZIP 20630ZIP 20640
White (non-Hispanic)64.2%35.0%
Black or African American31.2%50.5%
American Indian & Alaska Native0.0%0.0%
Asian0.0%2.5%
Native Hawaiian & Pacific Islander0.0%0.1%
Some other race0.0%0.5%
Two or more races4.6%4.9%
Hispanic or Latino0.0%6.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 20630ZIP 20640
No high school diploma7.3%6.8%
High school graduate3.5%37.1%
Some college or associate's20.6%30.9%
Bachelor's degree17.5%13.7%
Graduate or professional degree51.0%11.5%

Commute to work

How workers get to work (share)

ZIP 20630ZIP 20640
Drove alone17.1%73.3%
Carpooled15.6%9.1%
Public transit0.0%2.2%
Walked0.0%2.1%
Bicycle0.0%0.0%
Worked from home67.3%12.9%
Other means0.0%0.3%

Housing

Units in structure (share)

ZIP 20630ZIP 20640
1-unit, detached100.0%69.5%
1-unit, attached0.0%27.7%
2 to 4 units0.0%0.1%
5 to 19 units0.0%1.0%
20 or more units0.0%0.0%
Mobile home & other0.0%1.7%

Poverty & households

ZIP 20630ZIP 20640
Poverty rate0.0%7.4%
Average household size1.842.55
Mean commute (minutes)48
Median year structure built19831978

Full profiles

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ZIP 20630 vs ZIP 20640: Compare Population & Demographics | US Census Data