US Census Data

ZIP 21540 vs ZIP 21545

A side-by-side comparison of ZIP Code 21540 and ZIP Code 21545: population, income, housing, and more.

ZIP 21540 and ZIP 21545 are ZIP Code areas in Maryland. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 21545 has the higher population (1,716 vs 93 in ZIP 21540). ZIP 21540 has the higher median household income ($73,125 vs $59,551 in ZIP 21545). ZIP 21545 has the higher median home value ($111,300 vs $50,000 in ZIP 21540).

Population, income & housing

ZIP 21540ZIP 21545
Population931,716
Median age44.3 yrs43.8 yrs
Median household income$73,125$59,551
Median home value$50,000$111,300
Median gross rent$638$920
Housing units55835
Homeownership rate81.1%77.3%
Bachelor's degree or higher14.3%15.3%
Unemployment rate3.6%7.5%

Trends (ACS 5-year, 2019–2023)

ZIP 21540ZIP 21545
Population102 → 93 (-8.8%)1,740 → 1,716 (-1.4%)
Median household income$38,409 → $73,125 (+90.4%)$46,250 → $59,551 (+28.8%)
Median home value$25,000 → $50,000 (+100.0%)$111,000 → $111,300 (+0.3%)
Median gross rent$581 → $638 (+9.8%)$789 → $920 (+16.6%)

ZIP 21540

Population
10293
Median household income
$38,409$73,125
Median home value
$25,000$50,000
Median gross rent
$581$638

ZIP 21545

Population
1,7401,716
Median household income
$46,250$59,551
Median home value
$111,000$111,300
Median gross rent
$789$920

Age & race/ethnicity

Age distribution (share)

ZIP 21540ZIP 21545
Under 51.1%3.9%
5 to 1725.8%13.5%
18 to 245.4%8.7%
25 to 348.6%12.9%
35 to 4416.1%12.5%
45 to 5430.1%16.3%
55 to 648.6%11.6%
65 to 742.2%13.1%
75 and over2.2%7.5%

Race & ethnicity (share)

ZIP 21540ZIP 21545
White (non-Hispanic)97.8%86.5%
Black or African American1.1%0.3%
American Indian & Alaska Native0.0%0.2%
Asian0.0%0.0%
Native Hawaiian & Pacific Islander0.0%0.2%
Some other race0.0%10.0%
Two or more races0.0%2.7%
Hispanic or Latino1.1%0.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 21540ZIP 21545
No high school diploma7.9%6.1%
High school graduate66.7%57.6%
Some college or associate's11.1%21.0%
Bachelor's degree11.1%7.5%
Graduate or professional degree3.2%7.8%

Commute to work

How workers get to work (share)

ZIP 21540ZIP 21545
Drove alone94.3%79.9%
Carpooled0.0%11.9%
Public transit0.0%0.0%
Walked5.7%0.0%
Bicycle0.0%0.6%
Worked from home0.0%5.3%
Other means0.0%2.3%

Housing

Units in structure (share)

ZIP 21540ZIP 21545
1-unit, detached61.8%89.1%
1-unit, attached36.4%1.9%
2 to 4 units1.8%0.0%
5 to 19 units0.0%4.8%
20 or more units0.0%0.8%
Mobile home & other0.0%3.4%

Poverty & households

ZIP 21540ZIP 21545
Poverty rate5.4%15.4%
Average household size2.432.55
Mean commute (minutes)2623
Median year structure built19381942

Full profiles

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ZIP 21540 vs ZIP 21545: Compare Population & Demographics | US Census Data