US Census Data

ZIP 21770 vs ZIP 21776

A side-by-side comparison of ZIP Code 21770 and ZIP Code 21776: population, income, housing, and more.

ZIP 21770 and ZIP 21776 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21770 has the higher population (7,815 vs 5,905 in ZIP 21776). ZIP 21770 has the higher median household income ($184,464 vs $111,923 in ZIP 21776). ZIP 21770 has the higher median home value ($599,700 vs $433,600 in ZIP 21776).

Population, income & housing

ZIP 21770ZIP 21776
Population7,8155,905
Median age41.2 yrs43.9 yrs
Median household income$184,464$111,923
Median home value$599,700$433,600
Median gross rent$998
Housing units2,4482,378
Homeownership rate98.0%92.0%
Bachelor's degree or higher54.5%36.8%
Unemployment rate2.2%6.6%

Trends (ACS 5-year, 2019–2023)

ZIP 21770ZIP 21776
Population5,513 → 7,815 (+41.8%)5,516 → 5,905 (+7.1%)
Median household income$138,750 → $184,464 (+32.9%)$87,120 → $111,923 (+28.5%)
Median home value$419,100 → $599,700 (+43.1%)$317,000 → $433,600 (+36.8%)
Median gross rent$1,521 → $2,065 (+35.8%)$1,166 → $998 (-14.4%)

ZIP 21770

Population
5,5137,815
Median household income
$138,750$184,464
Median home value
$419,100$599,700
Median gross rent
$1,521$2,065

ZIP 21776

Population
5,5165,905
Median household income
$87,120$111,923
Median home value
$317,000$433,600
Median gross rent
$1,166$998

Age & race/ethnicity

Age distribution (share)

ZIP 21770ZIP 21776
Under 54.3%7.1%
5 to 1717.6%12.2%
18 to 246.3%6.8%
25 to 3411.1%12.9%
35 to 4417.5%12.0%
45 to 5411.1%9.9%
55 to 6413.2%18.2%
65 to 7414.2%13.8%
75 and over4.7%7.1%

Race & ethnicity (share)

ZIP 21770ZIP 21776
White (non-Hispanic)76.0%90.4%
Black or African American5.0%4.0%
American Indian & Alaska Native0.0%0.0%
Asian12.0%0.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.7%
Two or more races3.1%1.8%
Hispanic or Latino3.9%2.1%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21770ZIP 21776
No high school diploma1.5%3.0%
High school graduate17.6%33.0%
Some college or associate's26.4%27.2%
Bachelor's degree30.4%22.9%
Graduate or professional degree24.1%13.9%

Commute to work

How workers get to work (share)

ZIP 21770ZIP 21776
Drove alone64.6%83.1%
Carpooled9.6%2.4%
Public transit0.0%0.0%
Walked0.0%0.3%
Bicycle0.0%0.9%
Worked from home25.7%13.3%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21770ZIP 21776
1-unit, detached97.1%88.4%
1-unit, attached2.9%4.9%
2 to 4 units0.0%4.0%
5 to 19 units0.0%1.1%
20 or more units0.0%0.6%
Mobile home & other0.0%1.1%

Poverty & households

ZIP 21770ZIP 21776
Poverty rate1.4%5.0%
Average household size3.262.57
Mean commute (minutes)3738
Median year structure built19881981

Full profiles

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