US Census Data

ZIP 20912 vs ZIP 21001

A side-by-side comparison of ZIP Code 20912 and ZIP Code 21001: population, income, housing, and more.

ZIP 20912 and ZIP 21001 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21001 has the higher population (26,121 vs 25,428 in ZIP 20912). ZIP 20912 has the higher median household income ($82,097 vs $81,778 in ZIP 21001). ZIP 20912 has the higher median home value ($671,400 vs $267,400 in ZIP 21001).

Population, income & housing

ZIP 20912ZIP 21001
Population25,42826,121
Median age37.7 yrs37.7 yrs
Median household income$82,097$81,778
Median home value$671,400$267,400
Median gross rent$1,452$1,391
Housing units10,14011,010
Homeownership rate43.1%66.2%
Bachelor's degree or higher51.2%28.0%
Unemployment rate5.6%5.1%

Trends (ACS 5-year, 2019–2023)

ZIP 20912ZIP 21001
Population26,140 → 25,428 (-2.7%)24,752 → 26,121 (+5.5%)
Median household income$73,052 → $82,097 (+12.4%)$68,942 → $81,778 (+18.6%)
Median home value$545,400 → $671,400 (+23.1%)$226,100 → $267,400 (+18.3%)
Median gross rent$1,216 → $1,452 (+19.4%)$1,076 → $1,391 (+29.3%)

ZIP 20912

Population
26,14025,428
Median household income
$73,052$82,097
Median home value
$545,400$671,400
Median gross rent
$1,216$1,452

ZIP 21001

Population
24,75226,121
Median household income
$68,942$81,778
Median home value
$226,100$267,400
Median gross rent
$1,076$1,391

Age & race/ethnicity

Age distribution (share)

ZIP 20912ZIP 21001
Under 58.5%6.4%
5 to 1719.1%15.4%
18 to 246.6%8.2%
25 to 3411.6%16.6%
35 to 4417.4%12.9%
45 to 5413.4%11.2%
55 to 6411.9%13.7%
65 to 747.5%10.3%
75 and over4.1%5.3%

Race & ethnicity (share)

ZIP 20912ZIP 21001
White (non-Hispanic)33.7%54.0%
Black or African American31.5%27.9%
American Indian & Alaska Native0.3%0.0%
Asian4.0%3.1%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.6%1.6%
Two or more races4.8%4.6%
Hispanic or Latino25.1%8.8%

Educational attainment (age 25+)

Share of adults 25+

ZIP 20912ZIP 21001
No high school diploma14.3%8.2%
High school graduate17.4%32.0%
Some college or associate's17.1%31.7%
Bachelor's degree20.5%17.5%
Graduate or professional degree30.7%10.6%

Commute to work

How workers get to work (share)

ZIP 20912ZIP 21001
Drove alone47.7%77.7%
Carpooled9.2%9.0%
Public transit14.9%1.3%
Walked2.9%1.3%
Bicycle1.6%0.0%
Worked from home22.1%9.2%
Other means1.6%1.5%

Housing

Units in structure (share)

ZIP 20912ZIP 21001
1-unit, detached40.8%54.3%
1-unit, attached1.2%18.0%
2 to 4 units7.9%1.7%
5 to 19 units24.3%15.4%
20 or more units24.8%5.4%
Mobile home & other1.2%5.1%

Poverty & households

ZIP 20912ZIP 21001
Poverty rate12.8%13.7%
Average household size2.582.46
Mean commute (minutes)3429
Median year structure built19551981

Full profiles

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