ZIP code 02121
Where is ZIP code 02121?
Dorchester, Massachusetts
Suffolk County · Standard ZIP code
ZIP code 02121 belongs to Dorchester, Massachusetts in Suffolk County. 02121 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 617 and 857. About 29,040 people live in the 02121 area, where the median household income is $43,136. The closest ZIP codes are 02122 (Dorchester, 0 mi north), 02125 (Dorchester, 0 mi north) and 02124 (Dorchester Center, 0.4 mi south).
| ZIP code | 02121 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Dorchester |
| Also accepted | Boston, Grove Hall |
| State | Massachusetts (MA) |
| County | Suffolk County |
| Time zone | Eastern Time · now |
| Area codes | 617, 857 |
| Coordinates | 42.2973, -71.0745 map |
| 3-digit prefix | 021 |
Population and income in 02121
| Population | 29,040 · higher than 88% of Massachusetts ZIP codes |
|---|---|
| People per square mile | 15,398 · higher than 95% of Massachusetts ZIP codes |
| Median age | 34.3 years · lower than 90% of Massachusetts ZIP codes |
| Men / women | 44% / 56% |
| Median household income | $43,136 · lower than 99% of Massachusetts ZIP codes |
| Income per person | $29,051 |
| Below the poverty line | 25% |
| Bachelor’s degree or higher | 20% of adults 25+ |
| Median home value | $590,200 · higher than 58% of Massachusetts ZIP codes |
| Median rent | $1,325 a month |
| Housing units | 11,429 |
| Households | 10,760 (2.68 people on average) |
| Owners / renters | 23% / 77% |
| Land area | 1.89 sq mi (plus 0.01 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 02121. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 02121
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 02122 | Dorchester, MA | 0 mi N | Standard |
| 02125 | Dorchester, MA | 0 mi N | Standard |
| 02124 | Dorchester Center, MA | 0.4 mi S | Standard |
| 02126 | Mattapan, MA | 1.9 mi SW | Standard |
| 02187 | Milton Village, MA | 2.1 mi S | PO Box only |
| 02130 | Jamaica Plain, MA | 2.2 mi NW | Standard |
| 02119 | Roxbury, MA | 2.2 mi NW | Standard |
| 02120 | Roxbury Crossing, MA | 2.5 mi N | Standard |
| 02118 | Boston, MA | 2.7 mi N | Standard |
| 02163 | Boston, MA | 2.7 mi NW | Standard |
| 02171 | Quincy, MA | 2.8 mi E | Standard |
| 02131 | Roslindale, MA | 3 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 02121 or measure the distance to another ZIP code.
How to address mail to 02121
123 MAIN ST
DORCHESTER MA 02121
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts BOSTON and GROVE HALL as the city name for 02121. Adding the 4-digit ZIP+4 code (02121-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Dorchester, MA
All Dorchester ZIP codes with population and income →
Questions
- What city is ZIP code 02121?
- 02121 is a Dorchester, Massachusetts ZIP code. Boston and Grove Hall are also accepted as the city name.
- What county is 02121 in?
- ZIP code 02121 is in Suffolk County, Massachusetts.
- What time zone is ZIP code 02121 in?
- 02121 is in the Eastern Time zone (America/New_York).
- What area code is 02121?
- Phone numbers in ZIP code 02121 use area codes 617 and 857.
- What is the population of ZIP code 02121?
- About 29,040 people live in ZIP code 02121, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 02121?
- The median household income in 02121 is $43,136 a year, lower than 99% of Massachusetts ZIP codes.
- What ZIP codes are near 02121?
- The nearest ZIP codes to 02121 are 02122 (Dorchester, 0 miles), 02125 (Dorchester, 0 miles), 02124 (Dorchester Center, 0.4 miles) and 02126 (Mattapan, 1.9 miles).