US Census Data

ZIP 21157 vs ZIP 21158

A side-by-side comparison of ZIP Code 21157 and ZIP Code 21158: population, income, housing, and more.

ZIP 21157 and ZIP 21158 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21157 has the higher population (40,191 vs 22,404 in ZIP 21158). ZIP 21158 has the higher median household income ($108,795 vs $102,835 in ZIP 21157). ZIP 21157 has the higher median home value ($394,100 vs $375,100 in ZIP 21158).

Population, income & housing

ZIP 21157ZIP 21158
Population40,19122,404
Median age41.8 yrs42.6 yrs
Median household income$102,835$108,795
Median home value$394,100$375,100
Median gross rent$1,236$1,735
Housing units15,4668,818
Homeownership rate75.9%79.7%
Bachelor's degree or higher37.2%36.3%
Unemployment rate3.1%2.4%

Trends (ACS 5-year, 2019–2023)

ZIP 21157ZIP 21158
Population37,749 → 40,191 (+6.5%)20,906 → 22,404 (+7.2%)
Median household income$84,294 → $102,835 (+22.0%)$93,911 → $108,795 (+15.8%)
Median home value$319,200 → $394,100 (+23.5%)$326,200 → $375,100 (+15.0%)
Median gross rent$1,024 → $1,236 (+20.7%)$1,489 → $1,735 (+16.5%)

ZIP 21157

Population
37,74940,191
Median household income
$84,294$102,835
Median home value
$319,200$394,100
Median gross rent
$1,024$1,236

ZIP 21158

Population
20,90622,404
Median household income
$93,911$108,795
Median home value
$326,200$375,100
Median gross rent
$1,489$1,735

Age & race/ethnicity

Age distribution (share)

ZIP 21157ZIP 21158
Under 54.3%4.9%
5 to 1716.0%16.2%
18 to 2411.4%7.4%
25 to 3410.4%11.5%
35 to 4412.1%11.9%
45 to 5413.5%15.0%
55 to 6413.8%14.4%
65 to 7410.6%11.3%
75 and over8.0%7.4%

Race & ethnicity (share)

ZIP 21157ZIP 21158
White (non-Hispanic)86.0%85.4%
Black or African American3.7%5.0%
American Indian & Alaska Native0.1%0.0%
Asian0.9%2.5%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.7%0.1%
Two or more races2.4%3.5%
Hispanic or Latino6.2%3.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21157ZIP 21158
No high school diploma7.4%5.3%
High school graduate28.8%29.3%
Some college or associate's26.6%29.0%
Bachelor's degree22.8%23.0%
Graduate or professional degree14.4%13.3%

Commute to work

How workers get to work (share)

ZIP 21157ZIP 21158
Drove alone74.9%77.0%
Carpooled6.6%7.6%
Public transit0.4%0.0%
Walked2.1%0.5%
Bicycle0.3%0.0%
Worked from home15.2%14.6%
Other means0.6%0.4%

Housing

Units in structure (share)

ZIP 21157ZIP 21158
1-unit, detached71.5%70.8%
1-unit, attached10.3%16.2%
2 to 4 units5.1%2.3%
5 to 19 units8.9%5.2%
20 or more units4.0%5.1%
Mobile home & other0.2%0.3%

Poverty & households

ZIP 21157ZIP 21158
Poverty rate7.5%5.3%
Average household size2.602.66
Mean commute (minutes)3137
Median year structure built19781985

Full profiles

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ZIP 21157 vs ZIP 21158: Compare Population & Demographics | US Census Data