ZIP code 02121 is in Suffolk County, Massachusetts. About 29,040 people live here in 10,760 households. The median home value is $590,200 and the median household income $43,136. The average commute takes about 40 minutes.
ZIP code tabulation area · ACS 2020–2024 · Updated October 24, 2026
85%of households have broadbandhome internet subscription
02121 in MassachusettsZIP codes coloured by median household income
02121
<$45K$125K+
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates · U.S. Census Bureau, 2024 Gazetteer and 2020 ZCTA relationship files
People.
29,040 residents in 10,760 households, next to the Suffolk County figure.
27%
under 18
HereSuffolk County
24%
aged 18–34
HereSuffolk County
12%
aged 65 and over
HereSuffolk County
28%
of households are people living alone
HereSuffolk County
24%
of households are married couples
HereSuffolk County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Homes.
11,429 housing units; the median owner-occupied home is valued at $590,200 (±$101,924).
23%
of households own their home
HereSuffolk County
8%
of homes are detached single-family houses
HereSuffolk County
36%
are in buildings with 5 or more units
HereSuffolk County
1%
are mobile homes
HereSuffolk County
6%
of housing units are vacant
HereSuffolk County
$1,325
median gross rent a month
HereSuffolk County
When homes were built
2020 or later1%
2010–20196%
2000–20095%
1990–19996%
1980–19894%
1970–19799%
1960–19697%
1950–195910%
1940–19494%
1939 or earlier48%
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Income and work.
Household income and work, in 2024 dollars; median household income ±$9,773.
$43,136
median household income
HereSuffolk County
25.0%
of people live below the poverty line
HereSuffolk County
11.1%
unemployment rate
HereSuffolk County
20%
of adults 25+ hold a bachelor’s degree or higher
HereSuffolk County
The poverty rate uses the federal poverty thresholds, which vary with family size. It says nothing on its own about what a neighborhood is like to live in.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Getting around.
How workers aged 16 and over get to work, and how long it takes.
40 min
average commute to work
HereSuffolk County
34%
of commuters travel 45 minutes or more
HereSuffolk County
49%
of workers drive or carpool
HereSuffolk County
36%
take public transportation
HereSuffolk County
4%
walk or bike
HereSuffolk County
8%
work from home
HereSuffolk County
35%
of households have no car
HereSuffolk County
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Internet.
Home internet subscriptions.
85%
of households have a broadband subscription
HereSuffolk County
10%
have no internet access at home
HereSuffolk County
American Community Survey figures are estimates from a rolling sample, averaged over 2020–2024. Each comes with a margin of error, which is wider in places with fewer people.
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates
Businesses in 02121.
275 business establishments with paid employees have an address in this ZIP code.
Grocery stores and supermarkets10
Convenience stores13
Pharmacies and drug stores3
Retail bakeries0
Full-service restaurants12
Limited-service restaurants15
Coffee shops and snack bars0
Bars0
Physicians’ offices0
Dentists’ offices4
Child care centers19
Gyms and fitness centers0
Movie theaters0
Museums0
Counts are business establishments with paid employees, by the ZIP code of their address. Self-employed people without staff, and public facilities such as libraries, are not included.
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
Health.
Estimated share of adults in 02121, next to the national figure.
81%
had a routine checkup in the past year
HereUnited States
50%
visited a dentist in the past year
HereUnited States
12%
of 18–64s have no health insurance
HereUnited States
38%
get no leisure-time physical activity
HereUnited States
42%
usually sleep less than 7 hours
HereUnited States
18%
smoke
HereUnited States
35%
have obesity
HereUnited States
16%
have diagnosed diabetes
HereUnited States
38%
have high blood pressure
HereUnited States
31%
report fair or poor general health
HereUnited States
21%
report frequent mental distress
HereUnited States
43%
often feel lonely
HereUnited States
39%
faced food insecurity in the past year
HereUnited States
33%
faced housing insecurity in the past year
HereUnited States
22%
lacked reliable transportation in the past year
HereUnited States
These are model-based estimates for adults from the CDC’s PLACES project, combining national health surveys with local population data. They are not counts of local patients, and small differences between nearby ZIP codes are within the margin of the model.
Source: Centers for Disease Control and Prevention, PLACES 2025 release (ZCTA), public domain
Nearest public schools.
In a straight line from the center of the ZIP code. Attendance zones are set by each school district.
Albert D Holland School of TechnologyDorchester0.3 mi
Frederick Pilot Middle SchoolDorchester0.6 mi
King Elementary SchoolDorchester0.7 mi
Greenwood Sarah K-8 SchoolDorchester0.7 mi
UP Academy HollandDorchester0.7 mi
Source: National Center for Education Statistics, EDGE public school locations 2024–25
Nearby ZIP codes.
ZIP codes here are the Census Bureau’s ZIP Code Tabulation Areas, which closely match the postal ZIP codes used for addresses.
02121