US Census Data

ZIP 21045 vs ZIP 21047

A side-by-side comparison of ZIP Code 21045 and ZIP Code 21047: population, income, housing, and more.

ZIP 21045 and ZIP 21047 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21045 has the higher population (40,866 vs 13,540 in ZIP 21047). ZIP 21047 has the higher median household income ($154,524 vs $117,323 in ZIP 21045). ZIP 21047 has the higher median home value ($516,700 vs $438,500 in ZIP 21045).

Population, income & housing

ZIP 21045ZIP 21047
Population40,86613,540
Median age38.4 yrs47.2 yrs
Median household income$117,323$154,524
Median home value$438,500$516,700
Median gross rent$1,768$2,482
Housing units15,8264,925
Homeownership rate69.0%96.9%
Bachelor's degree or higher57.4%53.1%
Unemployment rate5.7%0.9%

Trends (ACS 5-year, 2019–2023)

ZIP 21045ZIP 21047
Population40,365 → 40,866 (+1.2%)12,266 → 13,540 (+10.4%)
Median household income$103,932 → $117,323 (+12.9%)$119,663 → $154,524 (+29.1%)
Median home value$351,900 → $438,500 (+24.6%)$391,000 → $516,700 (+32.1%)
Median gross rent$1,604 → $1,768 (+10.2%)$2,021 → $2,482 (+22.8%)

ZIP 21045

Population
40,36540,866
Median household income
$103,932$117,323
Median home value
$351,900$438,500
Median gross rent
$1,604$1,768

ZIP 21047

Population
12,26613,540
Median household income
$119,663$154,524
Median home value
$391,000$516,700
Median gross rent
$2,021$2,482

Age & race/ethnicity

Age distribution (share)

ZIP 21045ZIP 21047
Under 56.2%4.6%
5 to 1716.3%17.1%
18 to 247.7%8.0%
25 to 3414.0%4.8%
35 to 4414.9%13.4%
45 to 5410.9%13.3%
55 to 6412.2%17.4%
65 to 749.8%13.9%
75 and over8.1%7.6%

Race & ethnicity (share)

ZIP 21045ZIP 21047
White (non-Hispanic)41.7%87.4%
Black or African American32.1%2.2%
American Indian & Alaska Native0.1%0.0%
Asian8.7%3.8%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.8%0.1%
Two or more races5.5%1.4%
Hispanic or Latino11.1%5.1%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21045ZIP 21047
No high school diploma6.5%1.6%
High school graduate13.6%18.5%
Some college or associate's22.5%26.8%
Bachelor's degree25.6%30.5%
Graduate or professional degree31.8%22.5%

Commute to work

How workers get to work (share)

ZIP 21045ZIP 21047
Drove alone66.9%75.2%
Carpooled5.4%6.2%
Public transit3.1%1.0%
Walked0.5%1.2%
Bicycle0.1%0.0%
Worked from home23.1%16.4%
Other means0.9%0.0%

Housing

Units in structure (share)

ZIP 21045ZIP 21047
1-unit, detached43.4%93.8%
1-unit, attached28.8%6.0%
2 to 4 units2.2%0.0%
5 to 19 units17.6%0.2%
20 or more units7.7%0.0%
Mobile home & other0.3%0.0%

Poverty & households

ZIP 21045ZIP 21047
Poverty rate8.4%3.9%
Average household size2.652.79
Mean commute (minutes)2845
Median year structure built19791977

Full profiles

2
ZIP 21045 vs ZIP 21047: Compare Population & Demographics | US Census Data