Home > MA > Suffolk County > Dorchester > Zip 02125

Zip Code 02125 — Dorchester, MA

02125 is a ZIP Code associated with Dorchester, MA, located within Suffolk. The postal region supports an estimated population of 33,662 residents across Data Pending housing units, with a population density of 5,995.1 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.315780, -71.056200)

Data Metric	Local Statistic
Postal / Zip Code	02125
Primary City	Dorchester
State / Province	MA
County	Suffolk
Total Population	33,662
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	5,995.1 people/sq mi
Timezone	America/New_York

How 02125 Compares

Metric	ZIP 02125	Suffolk County	MA State Average
Population	33,662	780,506	7,043,978
Median Income	Data Pending	N/A	N/A
Population Density	5,995.1 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 02122	Dorchester	1.5 mi	23,479	N/A
Zip 02127	South Boston	1.6 mi	36,769	N/A
Zip 02119	Roxbury	1.6 mi	27,377	N/A
Zip 02118	Boston	1.7 mi	28,946	N/A
Zip 02121	Dorchester	1.7 mi	29,040	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →