US Census Data

ZIP 20842 vs ZIP 20851

A side-by-side comparison of ZIP Code 20842 and ZIP Code 20851: population, income, housing, and more.

ZIP 20842 and ZIP 20851 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 20851 has the higher population (14,660 vs 2,093 in ZIP 20842). ZIP 20842 has the higher median household income ($166,389 vs $113,951 in ZIP 20851). ZIP 20842 has the higher median home value ($709,300 vs $523,800 in ZIP 20851).

Population, income & housing

ZIP 20842ZIP 20851
Population2,09314,660
Median age47.3 yrs38.6 yrs
Median household income$166,389$113,951
Median home value$709,300$523,800
Median gross rent$1,745$1,924
Housing units7475,263
Homeownership rate78.5%56.7%
Bachelor's degree or higher51.3%41.4%
Unemployment rate1.6%3.8%

Trends (ACS 5-year, 2019–2023)

ZIP 20842ZIP 20851
Population1,676 → 2,093 (+24.9%)15,489 → 14,660 (-5.4%)
Median household income$106,360 → $166,389 (+56.4%)$90,865 → $113,951 (+25.4%)
Median home value$630,200 → $709,300 (+12.6%)$380,700 → $523,800 (+37.6%)
Median gross rent$1,279 → $1,745 (+36.4%)$1,757 → $1,924 (+9.5%)

ZIP 20842

Population
1,6762,093
Median household income
$106,360$166,389
Median home value
$630,200$709,300
Median gross rent
$1,279$1,745

ZIP 20851

Population
15,48914,660
Median household income
$90,865$113,951
Median home value
$380,700$523,800
Median gross rent
$1,757$1,924

Age & race/ethnicity

Age distribution (share)

ZIP 20842ZIP 20851
Under 54.3%5.0%
5 to 1717.1%14.9%
18 to 248.0%8.7%
25 to 348.0%16.1%
35 to 448.7%15.0%
45 to 5415.0%14.9%
55 to 6422.6%13.4%
65 to 7411.8%8.6%
75 and over4.6%3.4%

Race & ethnicity (share)

ZIP 20842ZIP 20851
White (non-Hispanic)65.7%28.0%
Black or African American11.4%11.4%
American Indian & Alaska Native0.0%0.0%
Asian1.5%13.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race1.4%0.4%
Two or more races5.9%4.4%
Hispanic or Latino14.1%42.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 20842ZIP 20851
No high school diploma8.2%15.4%
High school graduate22.9%23.3%
Some college or associate's17.6%20.0%
Bachelor's degree23.3%21.0%
Graduate or professional degree27.9%20.4%

Commute to work

How workers get to work (share)

ZIP 20842ZIP 20851
Drove alone60.6%51.6%
Carpooled7.0%5.2%
Public transit1.8%14.2%
Walked2.3%1.4%
Bicycle0.0%1.1%
Worked from home28.0%23.6%
Other means0.4%3.0%

Housing

Units in structure (share)

ZIP 20842ZIP 20851
1-unit, detached92.6%66.2%
1-unit, attached0.9%4.4%
2 to 4 units2.0%2.2%
5 to 19 units0.0%17.9%
20 or more units0.0%9.4%
Mobile home & other4.4%0.0%

Poverty & households

ZIP 20842ZIP 20851
Poverty rate1.3%9.2%
Average household size3.022.88
Mean commute (minutes)4331
Median year structure built19631958

Full profiles

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ZIP 20842 vs ZIP 20851: Compare Population & Demographics | US Census Data