US Census Data

ZIP 21723 vs ZIP 21733

A side-by-side comparison of ZIP Code 21723 and ZIP Code 21733: population, income, housing, and more.

ZIP 21723 and ZIP 21733 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21733 has the higher population (1,240 vs 587 in ZIP 21723). ZIP 21723 has the higher median household income ($250,001 vs $106,667 in ZIP 21733). ZIP 21723 has the higher median home value ($914,800 vs $316,300 in ZIP 21733).

Population, income & housing

ZIP 21723ZIP 21733
Population5871,240
Median age41.7 yrs38.1 yrs
Median household income$250,001$106,667
Median home value$914,800$316,300
Housing units221466
Homeownership rate94.6%86.1%
Bachelor's degree or higher86.0%31.9%
Unemployment rate0.0%0.0%

Trends (ACS 5-year, 2019–2023)

ZIP 21723ZIP 21733
Population759 → 587 (-22.7%)897 → 1,240 (+38.2%)
Median household income$231,172 → $250,001 (+8.1%)$85,061 → $106,667 (+25.4%)
Median home value$663,200 → $914,800 (+37.9%)$324,300 → $316,300 (-2.5%)

ZIP 21723

Population
759587
Median household income
$231,172$250,001
Median home value
$663,200$914,800

ZIP 21733

Population
8971,240
Median household income
$85,061$106,667
Median home value
$324,300$316,300

Age & race/ethnicity

Age distribution (share)

ZIP 21723ZIP 21733
Under 53.1%6.8%
5 to 1718.6%14.7%
18 to 242.9%6.5%
25 to 346.8%13.4%
35 to 4424.7%15.1%
45 to 5420.6%13.4%
55 to 6415.2%10.8%
65 to 744.1%14.8%
75 and over4.1%4.5%

Race & ethnicity (share)

ZIP 21723ZIP 21733
White (non-Hispanic)39.4%76.9%
Black or African American2.6%2.1%
American Indian & Alaska Native0.0%0.0%
Asian52.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.2%0.0%
Two or more races4.9%9.9%
Hispanic or Latino0.0%11.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21723ZIP 21733
No high school diploma0.0%4.1%
High school graduate4.7%34.9%
Some college or associate's9.3%29.0%
Bachelor's degree51.2%25.5%
Graduate or professional degree34.8%6.4%

Commute to work

How workers get to work (share)

ZIP 21723ZIP 21733
Drove alone72.3%79.4%
Carpooled0.0%3.0%
Public transit0.0%0.0%
Walked3.3%0.0%
Bicycle0.0%0.0%
Worked from home24.5%17.6%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21723ZIP 21733
1-unit, detached94.6%89.5%
1-unit, attached0.0%10.5%
2 to 4 units5.4%0.0%
5 to 19 units0.0%0.0%
20 or more units0.0%0.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 21723ZIP 21733
Poverty rate0.0%3.1%
Average household size2.662.64
Mean commute (minutes)3339
Median year structure built20001968

Full profiles

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ZIP 21723 vs ZIP 21733: Compare Population & Demographics | US Census Data