US Census Data

ZIP 21678 vs ZIP 21679

A side-by-side comparison of ZIP Code 21678 and ZIP Code 21679: population, income, housing, and more.

ZIP 21678 and ZIP 21679 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21678 has the higher population (1,868 vs 332 in ZIP 21679). ZIP 21679 has the higher median household income ($116,908 vs $70,167 in ZIP 21678). ZIP 21679 has the higher median home value ($543,700 vs $306,900 in ZIP 21678).

Population, income & housing

ZIP 21678ZIP 21679
Population1,868332
Median age50.1 yrs54.8 yrs
Median household income$70,167$116,908
Median home value$306,900$543,700
Median gross rent$2,046
Housing units1,107189
Homeownership rate90.5%100.0%
Bachelor's degree or higher25.3%58.8%
Unemployment rate2.6%10.4%

Trends (ACS 5-year, 2019–2023)

ZIP 21678ZIP 21679
Population1,842 → 1,868 (+1.4%)289 → 332 (+14.9%)
Median household income$55,766 → $70,167 (+25.8%)$95,648 → $116,908 (+22.2%)
Median home value$263,200 → $306,900 (+16.6%)$279,300 → $543,700 (+94.7%)
Median gross rent$1,341 → $2,046 (+52.6%)

ZIP 21678

Population
1,8421,868
Median household income
$55,766$70,167
Median home value
$263,200$306,900
Median gross rent
$1,341$2,046

ZIP 21679

Population
289332
Median household income
$95,648$116,908
Median home value
$279,300$543,700

Age & race/ethnicity

Age distribution (share)

ZIP 21678ZIP 21679
Under 53.0%9.3%
5 to 179.6%3.3%
18 to 243.2%3.9%
25 to 349.8%8.4%
35 to 4413.5%7.8%
45 to 5415.8%19.3%
55 to 6418.1%1.2%
65 to 7419.7%27.1%
75 and over7.3%19.6%

Race & ethnicity (share)

ZIP 21678ZIP 21679
White (non-Hispanic)67.9%100.0%
Black or African American26.8%0.0%
American Indian & Alaska Native0.0%0.0%
Asian0.5%0.0%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races3.1%0.0%
Hispanic or Latino1.7%0.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21678ZIP 21679
No high school diploma6.5%5.1%
High school graduate39.4%13.0%
Some college or associate's28.9%23.1%
Bachelor's degree15.4%44.0%
Graduate or professional degree9.9%14.8%

Commute to work

How workers get to work (share)

ZIP 21678ZIP 21679
Drove alone73.9%86.6%
Carpooled12.1%13.4%
Public transit2.6%0.0%
Walked2.0%0.0%
Bicycle0.0%0.0%
Worked from home9.3%0.0%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21678ZIP 21679
1-unit, detached93.4%100.0%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units1.0%0.0%
20 or more units0.0%0.0%
Mobile home & other5.6%0.0%

Poverty & households

ZIP 21678ZIP 21679
Poverty rate11.2%1.8%
Average household size1.962.11
Mean commute (minutes)2745
Median year structure built19861996

Full profiles

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ZIP 21678 vs ZIP 21679: Compare Population & Demographics | US Census Data