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Dorchester, MA ZIP codes

Dorchester, Massachusetts has 3 ZIP codes. They are in Suffolk County.

Population in these ZIPs
86,181
Avg. median income
$70,400population-weighted
Typical home value
$634,800population-weighted
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ZIP codes within 10 miles

Dorchester, MA ZIP codes list

Dorchester, MA ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
02121Suffolk County29,040$43,136$620,800
02122Suffolk County23,479$86,150$649,000
02125Suffolk County33,662$82,953$637,100

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Dorchester

Frequently asked questions

What is the ZIP code for Dorchester, MA?

Dorchester, MA has 3 ZIP codes: 02121, 02122 and 02125.

What county is Dorchester, Massachusetts in?

Dorchester ZIP codes are in Suffolk County.