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ZIP Code02124

Dorchester Center, MA

Suffolk County · Massachusetts · United States
Home to 55,897 people across 2.968 square miles.

EasternTop 5% density53 ZIPs in county

At a glance

02124 by the numbers

Every figure below comes from the 2019–2023 American Community Survey 5-Year Estimates, the Census Gazetteer, or is computed from those. Margins of error are shown where they matter.

Population
56k
±2,611 · top 5% nationally
Median household income
$79,168
US median $70,109 · 64th pctile
Median home value
$607,200
US median $207,500 · top 10%
Median age
36.9
US median 42 years
Population density
19k/mi²
top 1% most dense
Land area
2.968 mi²
plus 0.074 mi² water

Location

Where 02124 is

42.285922, -71.075046 · Census ZCTA internal pointOpen larger map →
Coordinates42.285922, -71.075046
Time zoneAmerica/New_York
CountySuffolk County
StateMassachusetts (MA)
Land area2.968 mi²
Coordinate sourceCensus ZCTA internal point

Local time

America/New_York

—:—:—

Current weather

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Distance to major cities

Straight-line, computed from coordinates

Boston, MA5.2 mi
New York, NY186.6 mi
Philadelphia, PA267.0 mi
Chicago, IL848.1 mi

People

Who lives in 02124

55,897 residents in 19,987 households, averaging 2.8 people per household. The largest age group is under 18 at 22.6% of residents.

Age distribution

Share of residents by age band

Under 1822.6%
18-248.2%
25-3416.0%
35-4413.4%
45-5414.3%
55-6412.3%
65+13.2%

Households

Composition and size

Total households19,987
Average household size2.8
Family households69.6%
Living alone22.6%
Median age36.9 years
Households with internet90.2%

Race & ethnicity

Census race categories. Hispanic or Latino origin is asked separately and overlaps these groups.

White19.4%
Black50.0%
Asian7.8%
Native American0.1%
Pacific Islander0.1%
Other5.8%
Two or more16.8%
Hispanic / Latino17.6%

Income & work

What people earn in 02124

The median household here earns $79,168 a year, above the US median of $70,109, which puts 02124 ahead of 64% of American ZIP codes. 16.9% of residents live below the poverty line.

Compared to the US

This ZIP against the national median

Median household income$79,168
LowestHighest
Higher than 64% of all US ZIP codes.
Median household income$79,168 ±$8,552
Per capita income$39,879
Poverty rate16.9%
Unemployment rate7.8%
Labor force participation72.0%

Household income distribution

Share of households in each bracket

<$25k21.3%
$25-50k14.5%
$50-75k12.7%
$75-100k9.4%
$100-150k16.3%
$150-200k10.5%
$200k+15.4%

Educational attainment among residents 25 and older: 31.1% hold a bachelor's degree or higher, 85.3% finished high school.

Housing

Homes and rent in 02124

A typical home is valued at $607,200, and median rent runs $1,783 a month. Ownership is close to even at 42.0% owned, and the typical building went up in 1938.

Costs

Typical values

Median home value$607,200
Median gross rent$1,783/mo
Median year built1938
Housing units21,264
Vacancy rate6.0%

Own vs. rent

Of 19,987 occupied units

Owner-occupied42.0%
Renter-occupied58.0%
Owner households8,386
Renter households11,601

Building types

Units by structure size

Single family26.0%
2-4 units54.4%
5-19 units13.9%
20+ units5.7%

Getting to work

How 02124 commutes

47.6% of workers drove alone, and the average one-way trip takes 37.4 minutes.

Mode of transport

Workers 16 and older

Drove alone47.6%
Carpooled7.9%
Public transit23.9%
Walked3.6%
Bike0.4%
Worked from home13.5%

Travel time

Mean commute 37.4 minutes

<10 min4.5%
10-1918.4%
20-2919.4%
30-4426.9%
45-5911.1%
60+19.8%

Overview

Understanding ZIP code 02124

ZIP code 02124 is assigned to Dorchester Center, MA, and falls within Suffolk County. Like every US postal code, it began as a mail-routing device rather than a geographic boundary — the US Postal Service groups delivery routes under a single code so carriers and sorting equipment can process mail efficiently. Today it also serves as a practical shorthand for the area itself: roughly 55,897 people live inside it.

At 18,833 residents per square mile spread over 2.968 square miles, 02124 reads as a dense urban area. It is a populous postal code, and density shapes almost everything else on this page — how people get to work, whether they own or rent, and what housing costs.

Household earnings track close to the national picture. The median of $79,168 puts 02124 near the middle of the pack, ahead of 64% of them. The US median for comparison is $70,109. Bear in mind that median income describes the midpoint household, not the average — it is not pulled upward by a handful of very high earners the way a mean would be.

Living here

What life in Dorchester Center looks like

Housing in 02124 costs well above the national median. A typical home is valued at $607,200 against a US median of $207,500, and median gross rent runs $1,783 a month. The split between owning and renting is fairly even at 42.0% owner-occupied, which tends to indicate a mix of housing types rather than one dominant form.

The building stock is dominated by small multi-family buildings of two to four units, which account for 54.4% of housing units here. The median construction year is 1938, making the housing here largely pre-war.

The population skews broadly in line with the national age profile, with a median age of 36.9 against 42 nationally. The average household holds 2.8 people, and 69.6% are family households.

Getting to work takes 37.4 minutes on average one way. The dominant mode is drove alone at 47.6% of workers, while 23.9% take public transit, 13.5% work from home. Commute patterns are one of the better proxies for how a place actually functions day to day.

Where to stay

Where to stay in Dorchester Center, MA

Dorchester Center sits in a densely built environment, and accommodation in and around 02124 tends to reflect that — full-service hotels, boutique properties and serviced apartments packed close together, usually within walking distance of transit. Rates in dense urban codes move sharply with the calendar: midweek business demand and weekend leisure demand can price very differently.

Median rent in 02124 is $1,783 a month, which sits in the middle of the national range; accommodation pricing locally tends to be similarly mid-market. For reference, Boston, MA is about 5.2 miles away in a straight line, which is worth factoring in if you are comparing a stay here against one closer to the city centre.

Availability and pricing change constantly, so the live search below will give you a more accurate picture than any figure we could publish here. It opens results for this area on Booking.com.

Book a Hotel →

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Practical uses

What ZIP code 02124 is used for

Beyond addressing mail, 02124 does a lot of quiet administrative work. Retailers use it to calculate shipping and sales tax at checkout. Insurers use it to set premiums, since risk profiles vary geographically. Employers and marketers use it to define service areas. Government agencies use it to route benefits and organise reporting. If you have ever been asked for a postal code by a form that clearly does not intend to send you anything, this is why.

For anyone weighing a move, 02124 offers a compact profile of Dorchester Center: 55,897 residents, a median household income of $79,168, 31.1% of adults holding a bachelor's degree or higher, and an unemployment rate of 7.8%. A handful of figures like these answer more relocation questions than most neighbourhood guides do.

One caution worth repeating: a postal code is not a neighbourhood. 02124 may cover parts of several distinct areas, and a single neighbourhood in Dorchester Center may be split across more than one code. Boundaries also shift as USPS adjusts delivery routes. Treat the figures here as describing a delivery area, which is what they actually measure.

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Questions

Common questions about 02124

What city is ZIP code 02124 in?
02124 serves Dorchester Center, Massachusetts, in Suffolk County, United States.
What is the population of 02124?
About 55,897 people live in ZIP code 02124, according to the US Census Bureau's 2019–2023 American Community Survey 5-Year Estimates. The margin of error on that figure is ±2,611. That works out to roughly 18,833 people per square mile.
What is the average income in 02124?
The median household income in 02124 is $79,168 per year, compared with a US median of $70,109. Per capita income is $39,879. Median income is more representative than an average because it isn't skewed by a small number of very high earners.
How expensive is housing in 02124?
The median home value is $607,200 and median gross rent is $1,783 a month. 42.0% of occupied homes are owner-occupied.
Is 02124 a good place to live?
That depends on what you're looking for, but here are the facts: 31.1% of adults hold a bachelor's degree or higher, the unemployment rate is 7.8%, and the median age is 36.9. The average commute is 37.4 minutes. We publish the numbers and let you weigh them.
What time zone is 02124 in?
02124 observes Eastern Time (America/New_York). This zone observes daylight saving time.
How big is ZIP code 02124?
ZIP code 02124 covers 2.968 square miles of land plus 0.074 square miles of water, per the US Census Bureau's 2023 Gazetteer files.
Is 02124 urban, suburban or rural?
By population density, 02124 reads as a dense urban area. It holds 18,833 people per square mile across 2.968 square miles of land. For reference, densities above 10,000 per square mile generally indicate an urban core, 1,000–3,000 is typically suburban, and under 200 is rural. These are rules of thumb rather than official designations — the Census Bureau classifies urban and rural areas by census block, not by ZIP code.
How much is rent in 02124?
Median gross rent in 02124 is $1,783 a month, according to the American Community Survey. Gross rent includes contract rent plus the estimated cost of utilities and fuels, so it is closer to what a tenant actually pays than a headline rent figure. Of 19,987 occupied homes here, 11,601 are rented.
What is the commute like from 02124?
The average one-way commute from 02124 takes about 37.4 minutes. The most common way to travel is drove alone, used by 47.6% of workers aged 16 and over. Commute figures cover people who were employed and working outside the home during the survey period.
How many people work in 02124?
About 29,442 residents of 02124 are employed. Labor force participation stands at 72.0% and the unemployment rate is 7.8%. Note this counts residents by where they live, not by where they work — a ZIP with many offices can have far more jobs than employed residents.
Where should I stay when visiting 02124?
Accommodation in and around Dorchester Center, MA ranges with the character of the area. See the 'Where to stay' section on this page for local context, and use the live search there for current availability and pricing.
Does 02124 cover more than one city or county?
This page lists Dorchester Center as the primary place and Suffolk County as the county. ZIP codes follow mail delivery routes rather than municipal or county lines, so a single code can straddle boundaries, and USPS also recognises alternate acceptable city names for many codes. If you need the definitive answer for a specific street address, the USPS ZIP Code Lookup is the authority.
Can ZIP code 02124 change?
Yes. USPS adjusts ZIP codes as delivery volumes shift — codes are occasionally split, merged, retired or newly created, and boundaries move more often than most people assume. The Census Bureau's ZCTA definitions, which underpin the demographic figures on this page, are redrawn only once a decade, so the two can drift apart between censuses.

Methodology

Where this data comes from

  • Postal geography — GeoNames open postal code database (CC BY 4.0), cross-checked against the US Census Gazetteer.
  • Demographics, income, housing, commute — US Census Bureau, American Community Survey 2019–2023 5-Year Estimates, ZIP Code Tabulation Area 02124. Tables B01001, B01002, B01003, B02001, B03003, B08301, B08303, B11001, B15003, B17001, B19001, B19013, B19301, B23025, B25002, B25003, B25024, B25035, B25064, B25077, B28002.
  • Land and water area — US Census Bureau 2023 Gazetteer Files.
  • Weather — NOAA National Weather Service, fetched live in your browser.
  • Map — OpenStreetMap contributors (ODbL).
On accuracy. ACS figures are survey estimates, not counts. The margin of error shown alongside the population figure means the true value has a 90% chance of falling in that range. For small ZIP codes the error can be large relative to the estimate — treat the direction as more reliable than the exact number. This page reports data for ZCTA 02124, the Census approximation of the USPS delivery area.