US Census Data

ZIP 21701 vs ZIP 21704

A side-by-side comparison of ZIP Code 21701 and ZIP Code 21704: population, income, housing, and more.

ZIP 21701 and ZIP 21704 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21701 has the higher population (41,340 vs 19,623 in ZIP 21704). ZIP 21704 has the higher median household income ($164,457 vs $102,306 in ZIP 21701). ZIP 21704 has the higher median home value ($585,900 vs $404,900 in ZIP 21701).

Population, income & housing

ZIP 21701ZIP 21704
Population41,34019,623
Median age39.3 yrs38.4 yrs
Median household income$102,306$164,457
Median home value$404,900$585,900
Median gross rent$1,607$2,395
Housing units18,9146,230
Homeownership rate67.2%81.3%
Bachelor's degree or higher49.7%58.1%
Unemployment rate3.8%3.4%

Trends (ACS 5-year, 2019–2023)

ZIP 21701ZIP 21704
Population37,017 → 41,340 (+11.7%)16,887 → 19,623 (+16.2%)
Median household income$83,565 → $102,306 (+22.4%)$148,955 → $164,457 (+10.4%)
Median home value$301,600 → $404,900 (+34.3%)$493,500 → $585,900 (+18.7%)
Median gross rent$1,362 → $1,607 (+18.0%)$1,998 → $2,395 (+19.9%)

ZIP 21701

Population
37,01741,340
Median household income
$83,565$102,306
Median home value
$301,600$404,900
Median gross rent
$1,362$1,607

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

Age & race/ethnicity

Age distribution (share)

ZIP 21701ZIP 21704
Under 55.7%6.5%
5 to 1713.6%25.3%
18 to 248.7%5.1%
25 to 3415.1%7.1%
35 to 4413.8%19.5%
45 to 5412.9%15.7%
55 to 6412.4%10.3%
65 to 7410.7%6.4%
75 and over7.2%4.1%

Race & ethnicity (share)

ZIP 21701ZIP 21704
White (non-Hispanic)70.8%52.1%
Black or African American11.8%11.9%
American Indian & Alaska Native0.1%0.2%
Asian3.4%16.7%
Native Hawaiian & Pacific Islander0.0%0.2%
Some other race0.6%0.2%
Two or more races5.3%5.3%
Hispanic or Latino8.0%13.5%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21701ZIP 21704
No high school diploma5.0%3.8%
High school graduate20.8%18.7%
Some college or associate's24.5%19.3%
Bachelor's degree25.5%29.2%
Graduate or professional degree24.1%29.0%

Commute to work

How workers get to work (share)

ZIP 21701ZIP 21704
Drove alone66.4%65.1%
Carpooled6.9%4.6%
Public transit1.0%0.3%
Walked4.5%1.4%
Bicycle0.6%0.1%
Worked from home19.0%27.3%
Other means1.6%1.2%

Housing

Units in structure (share)

ZIP 21701ZIP 21704
1-unit, detached39.5%54.6%
1-unit, attached29.9%35.1%
2 to 4 units7.9%1.7%
5 to 19 units13.5%3.3%
20 or more units9.1%4.4%
Mobile home & other0.2%1.0%

Poverty & households

ZIP 21701ZIP 21704
Poverty rate7.4%3.2%
Average household size2.273.15
Mean commute (minutes)2936
Median year structure built19842007

Full profiles

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ZIP 21701 vs ZIP 21704: Compare Population & Demographics | US Census Data