US Census Data

ZIP 21669 vs ZIP 21678

A side-by-side comparison of ZIP Code 21669 and ZIP Code 21678: population, income, housing, and more.

ZIP 21669 and ZIP 21678 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 102 in ZIP 21669). ZIP 21669 has the higher median household income ($104,750 vs $70,167 in ZIP 21678). ZIP 21669 has the higher median home value ($410,000 vs $306,900 in ZIP 21678).

Population, income & housing

ZIP 21669ZIP 21678
Population1021,868
Median age63.3 yrs50.1 yrs
Median household income$104,750$70,167
Median home value$410,000$306,900
Median gross rent$2,046
Housing units1521,107
Homeownership rate100.0%90.5%
Bachelor's degree or higher33.3%25.3%
Unemployment rate11.6%2.6%

Trends (ACS 5-year, 2019–2023)

ZIP 21669ZIP 21678
Population254 → 102 (-59.8%)1,842 → 1,868 (+1.4%)
Median household income$80,179 → $104,750 (+30.6%)$55,766 → $70,167 (+25.8%)
Median home value$465,800 → $410,000 (-12.0%)$263,200 → $306,900 (+16.6%)
Median gross rent$1,341 → $2,046 (+52.6%)

ZIP 21669

Population
254102
Median household income
$80,179$104,750
Median home value
$465,800$410,000

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

Age & race/ethnicity

Age distribution (share)

ZIP 21669ZIP 21678
Under 50.0%3.0%
5 to 173.9%9.6%
18 to 247.8%3.2%
25 to 3412.7%9.8%
35 to 440.0%13.5%
45 to 548.8%15.8%
55 to 6423.5%18.1%
65 to 7428.4%19.7%
75 and over14.7%7.3%

Race & ethnicity (share)

ZIP 21669ZIP 21678
White (non-Hispanic)95.1%67.9%
Black or African American4.9%26.8%
American Indian & Alaska Native0.0%0.0%
Asian0.0%0.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.0%
Two or more races0.0%3.1%
Hispanic or Latino0.0%1.7%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21669ZIP 21678
No high school diploma0.0%6.5%
High school graduate44.4%39.4%
Some college or associate's22.2%28.9%
Bachelor's degree22.2%15.4%
Graduate or professional degree11.1%9.9%

Commute to work

How workers get to work (share)

ZIP 21669ZIP 21678
Drove alone72.7%73.9%
Carpooled5.5%12.1%
Public transit0.0%2.6%
Walked0.0%2.0%
Bicycle0.0%0.0%
Worked from home21.8%9.3%
Other means0.0%0.0%

Housing

Units in structure (share)

ZIP 21669ZIP 21678
1-unit, detached89.5%93.4%
1-unit, attached0.0%0.0%
2 to 4 units0.0%0.0%
5 to 19 units0.0%1.0%
20 or more units0.0%0.0%
Mobile home & other10.5%5.6%

Poverty & households

ZIP 21669ZIP 21678
Poverty rate0.0%11.2%
Average household size2.001.96
Mean commute (minutes)4227
Median year structure built19791986

Full profiles

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ZIP 21669 vs ZIP 21678: Compare Population & Demographics | US Census Data