US Census Data

ZIP 21704 vs ZIP 21711

A side-by-side comparison of ZIP Code 21704 and ZIP Code 21711: population, income, housing, and more.

ZIP 21704 and ZIP 21711 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21704 has the higher population (19,623 vs 789 in ZIP 21711). ZIP 21704 has the higher median household income ($164,457 vs $91,083 in ZIP 21711). ZIP 21704 has the higher median home value ($585,900 vs $274,100 in ZIP 21711).

Population, income & housing

ZIP 21704ZIP 21711
Population19,623789
Median age38.4 yrs54.1 yrs
Median household income$164,457$91,083
Median home value$585,900$274,100
Median gross rent$2,395
Housing units6,230463
Homeownership rate81.3%100.0%
Bachelor's degree or higher58.1%19.2%
Unemployment rate3.4%2.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21704ZIP 21711
Population16,887 → 19,623 (+16.2%)1,076 → 789 (-26.7%)
Median household income$148,955 → $164,457 (+10.4%)$75,357 → $91,083 (+20.9%)
Median home value$493,500 → $585,900 (+18.7%)$200,900 → $274,100 (+36.4%)
Median gross rent$1,998 → $2,395 (+19.9%)$855 → $810 (-5.3%)

ZIP 21704

Population
16,88719,623
Median household income
$148,955$164,457
Median home value
$493,500$585,900
Median gross rent
$1,998$2,395

ZIP 21711

Population
1,076789
Median household income
$75,357$91,083
Median home value
$200,900$274,100
Median gross rent
$855$810

Age & race/ethnicity

Age distribution (share)

ZIP 21704ZIP 21711
Under 56.5%4.9%
5 to 1725.3%4.1%
18 to 245.1%2.0%
25 to 347.1%7.5%
35 to 4419.5%11.2%
45 to 5415.7%23.3%
55 to 6410.3%22.6%
65 to 746.4%22.6%
75 and over4.1%1.9%

Race & ethnicity (share)

ZIP 21704ZIP 21711
White (non-Hispanic)52.1%100.0%
Black or African American11.9%0.0%
American Indian & Alaska Native0.2%0.0%
Asian16.7%0.0%
Native Hawaiian & Pacific Islander0.2%0.0%
Some other race0.2%0.0%
Two or more races5.3%0.0%
Hispanic or Latino13.5%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21704ZIP 21711
No high school diploma3.8%5.6%
High school graduate18.7%46.0%
Some college or associate's19.3%29.2%
Bachelor's degree29.2%13.7%
Graduate or professional degree29.0%5.6%

Commute to work

How workers get to work (share)

ZIP 21704ZIP 21711
Drove alone65.1%87.6%
Carpooled4.6%4.3%
Public transit0.3%0.0%
Walked1.4%0.0%
Bicycle0.1%0.0%
Worked from home27.3%8.1%
Other means1.2%0.0%

Housing

Units in structure (share)

ZIP 21704ZIP 21711
1-unit, detached54.6%98.5%
1-unit, attached35.1%0.0%
2 to 4 units1.7%0.0%
5 to 19 units3.3%0.0%
20 or more units4.4%0.0%
Mobile home & other1.0%1.5%

Poverty & households

ZIP 21704ZIP 21711
Poverty rate3.2%14.1%
Average household size3.151.94
Mean commute (minutes)3632
Median year structure built20071981

Full profiles

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