US Census Data

ZIP 02115 vs ZIP 02121

A side-by-side comparison of ZIP Code 02115 and ZIP Code 02121: population, income, housing, and more.

ZIP 02115 and ZIP 02121 are ZIP Code areas in Massachusetts. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 02115 has the higher population (28,621 vs 28,298 in ZIP 02121). ZIP 02115 has the higher median household income ($53,398 vs $38,565 in ZIP 02121). ZIP 02115 has the higher median home value ($1,015,400 vs $548,100 in ZIP 02121).

Population, income & housing

ZIP 02115ZIP 02121
Population28,62128,298
Median age22.1 yrs34.2 yrs
Median household income$53,398$38,565
Median home value$1,015,400$548,100
Median gross rent$2,033$1,316
Housing units11,55611,384
Homeownership rate14.6%23.1%
Bachelor's degree or higher67.2%20.5%
Unemployment rate8.0%9.6%

Trends (ACS 5-year, 2019–2023)

ZIP 02115ZIP 02121
Population28,652 → 28,621 (-0.1%)30,159 → 28,298 (-6.2%)
Median household income$43,144 → $53,398 (+23.8%)$32,500 → $38,565 (+18.7%)
Median home value$860,900 → $1,015,400 (+17.9%)$500,100 → $548,100 (+9.6%)
Median gross rent$1,690 → $2,033 (+20.3%)$982 → $1,316 (+34.0%)

ZIP 02115

Population
28,65228,621
Median household income
$43,144$53,398
Median home value
$860,900$1,015,400
Median gross rent
$1,690$2,033

ZIP 02121

Population
30,15928,298
Median household income
$32,500$38,565
Median home value
$500,100$548,100
Median gross rent
$982$1,316

Age & race/ethnicity

Age distribution (share)

ZIP 02115ZIP 02121
Under 51.8%7.3%
5 to 174.5%19.8%
18 to 2452.3%10.6%
25 to 3416.3%13.1%
35 to 445.9%13.2%
45 to 543.9%10.6%
55 to 645.9%13.0%
65 to 744.4%8.4%
75 and over5.1%4.0%

Race & ethnicity (share)

ZIP 02115ZIP 02121
White (non-Hispanic)53.0%7.1%
Black or African American6.7%45.0%
American Indian & Alaska Native0.1%0.1%
Asian19.4%1.4%
Native Hawaiian & Pacific Islander0.3%0.0%
Some other race0.7%1.8%
Two or more races4.9%6.7%
Hispanic or Latino15.0%38.0%

Educational attainment (age 25+)

Share of adults 25+

ZIP 02115ZIP 02121
No high school diploma8.7%24.5%
High school graduate13.2%30.9%
Some college or associate's10.9%24.0%
Bachelor's degree39.1%13.4%
Graduate or professional degree28.1%7.2%

Commute to work

How workers get to work (share)

ZIP 02115ZIP 02121
Drove alone11.7%39.9%
Carpooled1.7%11.0%
Public transit21.1%34.6%
Walked42.6%3.6%
Bicycle3.1%1.4%
Worked from home17.1%5.8%
Other means2.7%3.8%

Housing

Units in structure (share)

ZIP 02115ZIP 02121
1-unit, detached0.3%7.9%
1-unit, attached1.7%6.1%
2 to 4 units15.2%52.2%
5 to 19 units31.2%27.8%
20 or more units51.5%6.0%
Mobile home & other0.0%0.0%

Poverty & households

ZIP 02115ZIP 02121
Poverty rate34.8%26.5%
Average household size1.662.71
Mean commute (minutes)2235
Median year structure built19381950

Full profiles

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