US Census Data

ZIP 21801 vs ZIP 21804

A side-by-side comparison of ZIP Code 21801 and ZIP Code 21804: population, income, housing, and more.

ZIP 21801 and ZIP 21804 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21804 has the higher population (39,461 vs 30,063 in ZIP 21801). ZIP 21804 has the higher median household income ($68,882 vs $67,140 in ZIP 21801). ZIP 21801 has the higher median home value ($286,800 vs $230,200 in ZIP 21804).

Population, income & housing

ZIP 21801ZIP 21804
Population30,06339,461
Median age37.6 yrs32.2 yrs
Median household income$67,140$68,882
Median home value$286,800$230,200
Median gross rent$1,058$1,343
Housing units12,14016,736
Homeownership rate56.6%49.3%
Bachelor's degree or higher33.6%28.1%
Unemployment rate5.9%7.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21801ZIP 21804
Population29,866 → 30,063 (+0.7%)40,877 → 39,461 (-3.5%)
Median household income$54,889 → $67,140 (+22.3%)$52,638 → $68,882 (+30.9%)
Median home value$210,800 → $286,800 (+36.1%)$168,800 → $230,200 (+36.4%)
Median gross rent$865 → $1,058 (+22.3%)$1,133 → $1,343 (+18.5%)

ZIP 21801

Population
29,86630,063
Median household income
$54,889$67,140
Median home value
$210,800$286,800
Median gross rent
$865$1,058

ZIP 21804

Population
40,87739,461
Median household income
$52,638$68,882
Median home value
$168,800$230,200
Median gross rent
$1,133$1,343

Age & race/ethnicity

Age distribution (share)

ZIP 21801ZIP 21804
Under 54.8%6.1%
5 to 1718.9%15.7%
18 to 2414.0%16.6%
25 to 349.9%15.1%
35 to 4411.1%10.6%
45 to 549.6%10.7%
55 to 6414.4%10.5%
65 to 7410.8%9.0%
75 and over6.4%5.8%

Race & ethnicity (share)

ZIP 21801ZIP 21804
White (non-Hispanic)53.6%54.2%
Black or African American32.9%29.8%
American Indian & Alaska Native0.0%0.1%
Asian2.1%3.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.6%0.0%
Two or more races4.9%5.1%
Hispanic or Latino5.8%7.3%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21801ZIP 21804
No high school diploma12.5%11.3%
High school graduate29.5%33.2%
Some college or associate's24.3%27.4%
Bachelor's degree18.9%17.4%
Graduate or professional degree14.7%10.7%

Commute to work

How workers get to work (share)

ZIP 21801ZIP 21804
Drove alone75.9%79.3%
Carpooled8.8%12.5%
Public transit0.2%0.7%
Walked5.0%1.1%
Bicycle0.1%0.1%
Worked from home8.6%4.8%
Other means1.4%1.6%

Housing

Units in structure (share)

ZIP 21801ZIP 21804
1-unit, detached71.2%58.8%
1-unit, attached3.9%10.1%
2 to 4 units9.5%3.8%
5 to 19 units6.4%19.2%
20 or more units6.9%6.8%
Mobile home & other2.2%1.2%

Poverty & households

ZIP 21801ZIP 21804
Poverty rate16.0%16.1%
Average household size2.472.50
Mean commute (minutes)2323
Median year structure built19831980

Full profiles

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ZIP 21801 vs ZIP 21804: Compare Population & Demographics | US Census Data