US Census Data

ZIP 21904 vs ZIP 21911

A side-by-side comparison of ZIP Code 21904 and ZIP Code 21911: population, income, housing, and more.

ZIP 21904 and ZIP 21911 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21911 has the higher population (10,402 vs 6,401 in ZIP 21904). ZIP 21911 has the higher median household income ($100,401 vs $84,375 in ZIP 21904). ZIP 21904 has the higher median home value ($318,800 vs $313,900 in ZIP 21911).

Population, income & housing

ZIP 21904ZIP 21911
Population6,40110,402
Median age40.9 yrs42.2 yrs
Median household income$84,375$100,401
Median home value$318,800$313,900
Median gross rent$1,245$1,205
Housing units2,7874,149
Homeownership rate84.4%81.7%
Bachelor's degree or higher25.2%23.9%
Unemployment rate5.1%5.7%

Trends (ACS 5-year, 2019–2023)

ZIP 21904ZIP 21911
Population7,075 → 6,401 (-9.5%)11,130 → 10,402 (-6.5%)
Median household income$86,528 → $84,375 (-2.5%)$76,504 → $100,401 (+31.2%)
Median home value$245,700 → $318,800 (+29.8%)$238,200 → $313,900 (+31.8%)
Median gross rent$977 → $1,245 (+27.4%)$1,136 → $1,205 (+6.1%)

ZIP 21904

Population
7,0756,401
Median household income
$86,528$84,375
Median home value
$245,700$318,800
Median gross rent
$977$1,245

ZIP 21911

Population
11,13010,402
Median household income
$76,504$100,401
Median home value
$238,200$313,900
Median gross rent
$1,136$1,205

Age & race/ethnicity

Age distribution (share)

ZIP 21904ZIP 21911
Under 53.5%4.1%
5 to 1719.2%17.2%
18 to 2410.3%8.0%
25 to 346.4%12.6%
35 to 4414.1%12.5%
45 to 5414.6%14.7%
55 to 6418.0%14.2%
65 to 748.6%10.0%
75 and over5.2%6.7%

Race & ethnicity (share)

ZIP 21904ZIP 21911
White (non-Hispanic)83.9%84.9%
Black or African American5.5%1.2%
American Indian & Alaska Native0.0%0.2%
Asian0.2%3.4%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.2%
Two or more races1.7%2.7%
Hispanic or Latino8.6%7.4%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21904ZIP 21911
No high school diploma8.5%13.5%
High school graduate37.7%34.2%
Some college or associate's28.6%28.4%
Bachelor's degree11.9%13.4%
Graduate or professional degree13.4%10.5%

Commute to work

How workers get to work (share)

ZIP 21904ZIP 21911
Drove alone72.3%76.5%
Carpooled9.4%10.1%
Public transit0.3%0.5%
Walked6.0%1.0%
Bicycle0.0%0.1%
Worked from home9.7%9.8%
Other means2.2%2.0%

Housing

Units in structure (share)

ZIP 21904ZIP 21911
1-unit, detached68.2%78.7%
1-unit, attached3.8%4.8%
2 to 4 units4.4%2.2%
5 to 19 units4.3%2.7%
20 or more units1.4%2.6%
Mobile home & other17.9%8.9%

Poverty & households

ZIP 21904ZIP 21911
Poverty rate7.5%5.5%
Average household size2.632.57
Mean commute (minutes)3030
Median year structure built19901986

Full profiles

2
ZIP 21904 vs ZIP 21911: Compare Population & Demographics | US Census Data