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ZIP Code 02121
Boston, MA, Suffolk County
Population
29,040
Land area
1.9sq mi
People per sq mi
15,400
City
Boston
ZIP 02121 and nearby ZIP codes
ZIP 02121 at a glance
- ZIP 02121 (Boston) is about 17 times as dense as Massachusetts as a whole.
- The median household income is $43,136, 59% below the Massachusetts median of $103,960.
- A typical owner-occupied home is valued at $590,200 (5% above Massachusetts) and median rent is $1,325 a month.
Local data for ZIP 02121
Counts from official public data
Housing and community stats
ZIP 02121, American Community Survey 2020-2024
Median household income
$43,136
Poverty rate
25.0%
Median home value
$590,200
Prices +28.2% in a year
Median rent
$1,325/mo
Homeownership
23.2%
Bachelor's or higher
19.9%
Median age
34.3
Average commute
36.5 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
275
ZIP Business Patterns 2023
Employees
2,317
$113M annual payroll
PPP loans
$31.2M
861 loans
Campaign donations
$42.7K
32% D, 17% R, 2026 cycle
Environment and hazard risk
ZIP 02121, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: lightning
Storm events since 1996
610
Countywide, mostly thunderstorm wind
Flood insurance policies
3,270
2.5% of homes, county
July high / Jan low
85° / 19°F
49.4 inches of rain a year
Health statistics
Share of adults in ZIP 02121, CDC PLACES estimates
Obesity
34.6%
U.S. 33.3% +1.3 pts
Diabetes
15.9%
U.S. 12.1% +3.8 pts
Smoking
18.4%
U.S. 12.8% +5.6 pts
Uninsured (18-64)
12.1%
U.S. 11.1% +1.0 pts
Frequently asked questions
- What city is ZIP code 02121?
- ZIP code 02121 is in Boston, MA (Suffolk County).
- What county is ZIP code 02121 in?
- ZIP code 02121 is mostly in Suffolk County, Massachusetts.
- How many people live in ZIP code 02121?
- About 29,040 people live in the 02121 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.