Postal Codes

02122 ZIP Code

Advertisement

English Español

ZIP code 02122 covers Dorchester, Massachusetts, with a population of about 23,471 and a median household income of $82,945.

Population
23,47113,828 per square mile
Median age
36.62.1 points below the US average
Median household income
$82,94518% below the Massachusetts median
Poverty rate
14.7%2.3 points above the US average
Typical home value
$679,713up 11.5% in five years
Median rent
$2,0521.2× the Massachusetts median
Degree or higher
37.5%2.5 points above the US average
Homeownership
43.7%21.3 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
557

Where 02122 is

Dorchester, Massachusetts — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,471
Median age36.6
Family households57%
Born outside the US30.4%
Speaks a language other than English at home35.2%
White (non-Hispanic)34.6%
Black (non-Hispanic)25.7%
Asian (non-Hispanic)13.7%
Hispanic or Latino13.8%
Veterans2.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$82,945
Income per person$45,583
Poverty rate14.7%
Households on SNAP or cash assistance23.4%

Household income distribution

Under $10k7.9%
$10–15k2.3%
$15–20k5.3%
$20–25k5.3%
$25–30k2.1%
$30–35k3.1%
$35–40k2.7%
$40–45k2.4%
$45–50k1.4%
$50–60k5.6%
$60–75k8.0%
$75–100k12.0%
$100–125k8.4%
$125–150k7.4%
$150–200k9.6%
$200k or more16.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed12,360
Mean adjusted gross income$69,145
Returns declaring $200,000 or more5.2%
Returns, under $25k28.2%
Returns, $25k–$50k23.9%
Returns, $50k–$75k17.3%
Returns, $75k–$100k10.8%
Returns, $100k–$200k14.6%
Returns, $200k or more5.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$656,400
Median gross rent$2,052
Rent as a share of household income31.4%
Owner-occupied43.7%
Vacant homes8.8%
Median year built1938

What the homes are

Detached house13.6%
Attached house5.1%
2 to 4 units66.1%
5 to 19 units7.9%
20 or more units6.9%
Mobile home0.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$679,713as of 2026-07
Typical home value, 1 yearup 0.5%
Typical home value, 5 yearsup 11.5%
Typical home value, 10 yearsup 63.9%
Typical asking rent$3,133as of 2026-07
Typical asking rent, 1 yearup 4.1%
Typical asking rent, 5 yearsup 27.4%
Typical home value since 2000
200020132026$679,713$143,960

$143,960 in 2000 to $679,713 in 2026.

Typical asking rent
201820222026$3,133$2,114

$2,114 in 2018 to $3,133 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8%
Bachelor's degree or higher37.5%
High school diploma or higher80.8%
Works from home10.1%
Drives to work alone49.9%
Takes public transport23.5%
Commutes 45 minutes or more27.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity24.9% 8.5 pts below the national average of 33.4%
Diagnosed diabetes11.2% 0.8 pts below the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure29.8% 4.3 pts below the national average of 34.1%
Fair or poor general health21.7% 1.4 pts above the national average of 20.3%
No health insurance (18–64)7.8% 3.5 pts below the national average of 11.3%
Depression23.3% 1.4 pts above the national average of 21.9%
No leisure-time physical activity29% 3.6 pts above the national average of 25.4%
Arthritis20.6% 4.5 pts below the national average of 25.1%
Binge drinking18.3% 2.3 pts above the national average of 16%
Taking blood pressure medication73% 1.7 pts below the national average of 74.7%
Cancer (non-skin)5.3% 2.4 pts below the national average of 7.7%
Current asthma12.1% 1.7 pts above the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year78.2% 1.5 pts above the national average of 76.7%
Cholesterol screening85.8% same as the national average of 85.9%
Cognitive disability17.3% 2.5 pts above the national average of 14.8%
Colorectal screening59.6% 4.7 pts below the national average of 64.3%
COPD6.6% same as the national average of 6.6%
Visited a dentist57.2% 4.1 pts below the national average of 61.3%
Any disability29.9% 0.8 pts below the national average of 30.7%
Lacks emotional support29.5% 4.7 pts above the national average of 24.8%
Food insecurity24% 6.9 pts above the national average of 17.1%
Received food stamps27.1% 12.8 pts above the national average of 14.3%
Hearing disability5.4% 1.3 pts below the national average of 6.7%
High cholesterol34.1% 2.1 pts below the national average of 36.2%
Housing insecurity19.5% 5.7 pts above the national average of 13.8%
Independent living disability9.8% 1.4 pts above the national average of 8.4%
Lacks transport13.6% 4.4 pts above the national average of 9.2%
Loneliness40.9% 6.5 pts above the national average of 34.4%
Mammography use80.8% 4.9 pts above the national average of 75.9%
Poor mental health (14+ days)18.9% 2.1 pts above the national average of 16.8%
Mobility disability13.6% same as the national average of 14%
Poor physical health (14+ days)13.5% same as the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Utility shut-off threat12.8% 4 pts above the national average of 8.8%
Sleeps under 7 hours36.7% same as the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost19.4% 6.4 pts above the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments557
People employed7,974
Annual payroll$478,536,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 13.2% of US census tracts
FEMA ratingVery Low to Relatively Low across the 12 census tracts this ZIP code covers
Expected annual loss10.8 out of 100
Community resilience92.7 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane69.3Relatively Moderate at its worst in this ZIP code
Coastal flooding61.6Relatively Moderate at its worst in this ZIP code
Heat wave56Relatively Moderate at its worst in this ZIP code
Earthquake53.1Relatively Low at its worst in this ZIP code
Lightning50.1Relatively Moderate at its worst in this ZIP code
Cold wave48.4Relatively Moderate at its worst in this ZIP code
Landslide37.8Very Low at its worst in this ZIP code
Hail34.3Relatively Low at its worst in this ZIP code
Ice storm23.9Relatively Low at its worst in this ZIP code
Tornado23.6Relatively Low at its worst in this ZIP code
Winter weather19.3Relatively Low at its worst in this ZIP code
River flooding17.3Relatively Low at its worst in this ZIP code
Strong wind15.7Relatively Low at its worst in this ZIP code
Wildfire0.3Very Low at its worst in this ZIP code
Compared with Massachusetts and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMassachusettsUnited States
Median household income$82,945$101,341$78,538
Income per person$45,583$56,284$43,289
Poverty rate14.7%10%12.4%
Median home value$656,400$525,800$303,400
Median gross rent$2,052$1,687$1,348
Homeownership43.7%62.6%65%
Bachelor's degree or higher37.5%46.6%35%
Unemployment rate8%5.1%5.2%
Works from home10.1%16.7%13.5%
Born outside the US30.4%17.7%13.9%
Median age36.64038.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationJAMAICA PLAIN, MA US4.1 km away
Rain in a year49 in

Average high and low by month

January37°F / 19.4°F3.87 in rain
February39.6°F / 21°F3.59 in rain
March46.6°F / 28.4°F4.49 in rain
April58.8°F / 38.1°F4.32 in rain
May69.4°F / 48.2°F3.64 in rain
June78.8°F / 57.9°F4.18 in rain
July84.7°F / 64°F3.49 in rain
August83.1°F / 62.5°F3.72 in rain
September75.5°F / 54.9°F3.96 in rain
October63.7°F / 43°F5.03 in rain
November52.6°F / 34.2°F3.99 in rain
December42.4°F / 25.7°F5.08 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket19% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Boston School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability60more vulnerable than 60% of US census tracts
Socioeconomic status54more vulnerable than 54% of US census tracts
Household characteristics58more vulnerable than 58% of US census tracts
Racial and ethnic minority status61more vulnerable than 61% of US census tracts
Housing type and transport61more vulnerable than 61% of US census tracts
Walkability16.3 out of 20Most walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

02121 Dorchester, MA0 km away
02125 Dorchester, MA0 km away
02124 Dorchester Center, MA0.7 km away
02126 Mattapan, MA3.1 km away
02187 Milton Village, MA3.4 km away
02130 Jamaica Plain, MA3.5 km away
02119 Roxbury, MA3.5 km away
02120 Roxbury Crossing, MA4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Suffolk County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area1.7 sq mi
Water area0.21 sq mi
Population density13,828 people per sq mi
Latitude, longitude42.2973, -71.0745

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement