US Census Data

ZIP 21784 vs ZIP 21787

A side-by-side comparison of ZIP Code 21784 and ZIP Code 21787: population, income, housing, and more.

ZIP 21784 and ZIP 21787 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21784 has the higher population (37,813 vs 11,549 in ZIP 21787). ZIP 21784 has the higher median household income ($141,228 vs $88,212 in ZIP 21787). ZIP 21784 has the higher median home value ($478,200 vs $344,800 in ZIP 21787).

Population, income & housing

ZIP 21784ZIP 21787
Population37,81311,549
Median age39.5 yrs39.5 yrs
Median household income$141,228$88,212
Median home value$478,200$344,800
Median gross rent$1,673$870
Housing units13,6644,429
Homeownership rate87.0%79.6%
Bachelor's degree or higher53.2%19.3%
Unemployment rate3.5%4.7%

Trends (ACS 5-year, 2019–2023)

ZIP 21784ZIP 21787
Population37,365 → 37,813 (+1.2%)10,173 → 11,549 (+13.5%)
Median household income$117,310 → $141,228 (+20.4%)$73,899 → $88,212 (+19.4%)
Median home value$386,900 → $478,200 (+23.6%)$276,000 → $344,800 (+24.9%)
Median gross rent$1,228 → $1,673 (+36.2%)$1,065 → $870 (-18.3%)

ZIP 21784

Population
37,36537,813
Median household income
$117,310$141,228
Median home value
$386,900$478,200
Median gross rent
$1,228$1,673

ZIP 21787

Population
10,17311,549
Median household income
$73,899$88,212
Median home value
$276,000$344,800
Median gross rent
$1,065$870

Age & race/ethnicity

Age distribution (share)

ZIP 21784ZIP 21787
Under 56.0%5.8%
5 to 1718.1%18.5%
18 to 247.4%8.1%
25 to 3411.4%10.4%
35 to 4415.0%12.8%
45 to 5414.6%10.0%
55 to 6412.0%13.6%
65 to 748.5%11.7%
75 and over6.8%9.1%

Race & ethnicity (share)

ZIP 21784ZIP 21787
White (non-Hispanic)79.8%86.4%
Black or African American5.7%5.3%
American Indian & Alaska Native0.0%0.0%
Asian4.1%0.6%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.8%0.0%
Two or more races3.7%2.5%
Hispanic or Latino5.8%5.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21784ZIP 21787
No high school diploma4.3%6.6%
High school graduate18.2%39.5%
Some college or associate's24.2%34.6%
Bachelor's degree30.9%12.2%
Graduate or professional degree22.3%7.1%

Commute to work

How workers get to work (share)

ZIP 21784ZIP 21787
Drove alone73.9%76.6%
Carpooled4.0%9.9%
Public transit0.5%1.3%
Walked0.7%0.6%
Bicycle0.0%0.0%
Worked from home20.2%10.0%
Other means0.7%1.7%

Housing

Units in structure (share)

ZIP 21784ZIP 21787
1-unit, detached78.7%75.8%
1-unit, attached11.7%14.8%
2 to 4 units2.0%7.1%
5 to 19 units4.9%1.2%
20 or more units2.6%1.1%
Mobile home & other0.2%0.0%

Poverty & households

ZIP 21784ZIP 21787
Poverty rate4.1%10.7%
Average household size2.782.69
Mean commute (minutes)3535
Median year structure built19861986

Full profiles

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ZIP 21784 vs ZIP 21787: Compare Population & Demographics | US Census Data