What city is 02125 in?

02125 is a Dorchester, MA mailing address. By land area, 100% lies inside Boston.

What is the population of 02125?

About 33,662 people (±1,715), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 34,926.

What is the median household income in 02125?

$82,953 (±$12,485), compared with $103,960 for Massachusetts as a whole. Half the households in the ZIP code earn more and half earn less.

How many carrier routes and mailboxes are in 02125?

23 USPS carrier routes with 13,683 residential and 500 business mailboxes (14,186 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.

What ZIP codes are near 02125?

The closest, measured center to center: 02122 (1.4 mi, Boston), 02119 (1.6 mi, Boston), 02127 (1.6 mi, Boston), 02118 (1.7 mi, Boston), 02121 (1.8 mi, Boston) and 02124 (2.3 mi, Boston).

02125 ZIP Code, Dorchester, MA

02125 is a ZIP code in Dorchester, Massachusetts in Suffolk County. It covers 2.2 square miles of land. The closest ZIP codes are 02122, 02119 and 02127. 33,662 people live here in 14,246 households, more than in 9 of every 10 Massachusetts ZIP codes. It is densely built, at about 15,527 people per square mile, and most households rent (35% own). Median household income is $82,953, below the Massachusetts median of $103,960.

Quick facts

Mailing city: Dorchester, MA
County: Suffolk County
Land area: 2.2 sq mi
Population: 33,662
Median household income: $82,953
Carrier routes: 23 (13,683 homes)

Key figures

Measure	Value
Residents	33,662
Households	14,246
Median household income	$82,953
Income per person	$47,203
Median age	34.4
Homeowners	34.9%
Median home value	$657,100
Median rent	$1,949
Bachelor's degree or higher	43.7%
Average commute (minutes)	30.3
Households with kids under 18	22.9%
Moved in the past year	14.5%
Below the poverty line	23.2%
Broadband internet	91.8%
Speak a non-English language at home	44.1%

Household income

% of households	Value
<$10K	9.4%
$10–15K	6.9%
$15–25K	6.7%
$25–35K	5.9%
$35–50K	5.2%
$50–75K	14.4%
$75–100K	10.7%
$100–150K	12.5%
$150–200K	11.7%
$200K+	16.5%

Age

% of all residents	Value
<10	8.8%
10–19	11.7%
20–24	8.6%
25–34	22.0%
35–44	15.0%
45–54	10.3%
55–64	11.5%
65–74	8.1%
75+	3.9%

Tenure

% of housing units	Value
Owned, with mortgage	24.7%
Owned outright	8.1%
Rented	60.4%
Vacant	6.9%

Type of building

% of housing units	Value
Detached house	8.7%
Townhome	6.8%
2–4 units	56.6%
5–19 units	9.5%
20+ units	18.3%
Mobile / other	0.1%

Businesses in 02125

518 business establishments with 10,196 employees (ZIP Codes Business Patterns 2023).

Retail Trade: 88
Other Services (except Public Administration): 81
Accommodation and Food Services: 67
Health Care and Social Assistance: 65
Construction: 39
Professional, Scientific, and Technical Services: 33
Real Estate and Rental and Leasing: 32
Finance and Insurance: 27

EDDM carrier routes

02125 has 23 USPS carrier routes with 13,683 residential and 500 business mailboxes. Open the EDDM route map.

Carrier routes in 02125

02125 has 23 USPS carrier routes (23 city (C)) with 13,683 residential and 500 business mailboxes. Routes range from 342 homes (C019) to 860 homes (C024); the median route has 565 homes. The Census counted 14,246 households in 02125 (2020–2024 average); USPS counts current mailboxes, including new and vacant homes.

Homes per route	Routes
1–249	0
250–499	6
500–749	13
750–999	4
1,000–1,499	0
1,500+	0

Best routes in 02125 for…

Most businesses

For B2B offers: office supplies, cleaning, IT, catering and commercial services.

Route C001 — USPS business mailboxes 69, 673 homes
Route C022 — USPS business mailboxes 60, 522 homes
Route C021 — USPS business mailboxes 52, 835 homes
Route C020 — USPS business mailboxes 44, 676 homes
Route C031 — USPS business mailboxes 34, 644 homes

Select these 5 routes on the route map

Every carrier route in 02125

Route	Type	Homes	Businesses	Est. median income	Est. owners	Est. families with kids	Est. moved in past year
C001	City	673	69	$70,755	—	—	—
C002	City	819	14	$34,727	—	—	—
C003	City	483	3	$96,034	—	—	—
C004	City	438	1	$135,720	—	—	—
C005	City	565	16	$109,534	—	—	—
C006	City	793	9	$32,828	—	—	—
C008	City	631	15	$73,748	—	—	—
C009	City	554	33	$65,812	—	—	—
C011	City	596	12	$54,545	—	—	—
C012	City	545	13	$57,960	—	—	—
C019	City	342	2	$89,936	—	—	—
C020	City	676	44	$106,150	—	—	—
C021	City	835	52	$109,534	—	—	—
C022	City	522	60	$54,545	—	—	—
C023	City	705	8	$57,477	—	—	—
C024	City	860	9	$33,979	—	—	—
C025	City	526	22	$73,748	—	—	—
C026	City	413	8	$55,773	—	—	—
C028	City	531	25	$75,828	—	—	—
C029	City	603	23	$109,534	—	—	—
C031	City	644	34	$109,534	—	—	—
C032	City	480	21	$82,608	—	—	—
C035	City	449	7	$75,828	—	—	—

Income, owners, families and movers are estimates for each route (how we estimate them); mailbox counts are current USPS figures. Open 02125 on the EDDM route map.

How route demographics are estimated

Mailbox counts come from USPS; demographics are estimates

The number of homes and businesses on each carrier route is the current USPS EDDM count. The Census Bureau does not publish figures for carrier routes, so income, homeownership, ages, families, movers and housing age on a route are EDDM2GO estimates built from Census block groups (neighborhood areas of roughly 600 to 3,000 people).

How a route gets its figures: the block-group length-share method

We trace each route's streets every 25 meters and record which block group each stretch falls in. The route's homes are spread along its streets in proportion to length, so a route with 60% of its street length in one block group is assumed to have 60% of its homes there. Each block group then contributes its Census counts in proportion to the share of its housing units that sit on the route (capped at the whole block group). Medians are recalculated from the combined income, home-value and age brackets, the way the Census Bureau computes them, not averaged.

Margins of error

Census survey figures carry a margin of error at 90% confidence; we carry it through the calculation and show it as ±. Our margins treat the route-to-block-group split as exact, so the real uncertainty is larger. Routes with fewer than 100 estimated households, large margins, or streets we could not place are flagged.

Different years

USPS mailbox counts are current. Census figures are 5-year averages for 2020–2024, so a new subdivision may have more homes on the route today than the Census counted. Use the route figures to compare routes with each other, not as an exact head count.

Why some routes show identical figures

Two routes that run through the same block group get the same percentages and medians, because the Census publishes one set of figures for the whole block group. Their mailbox counts still differ, and those are exact.

Route and mailbox counts: USPS EDDM route data. Route demographics: EDDM2GO estimates from U.S. Census Bureau American Community Survey 5-year block-group data (2020–2024) and 2024 cartographic block-group boundaries. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Nearby ZIP codes

02122 — Boston city, MA (1.4 mi)
02119 — Boston city, MA (1.6 mi)
02127 — Boston city, MA (1.6 mi)
02118 — Boston city, MA (1.7 mi)
02121 — Boston city, MA (1.8 mi)
02124 — Boston city, MA (2.3 mi)
02171 — Quincy city, MA (2.3 mi)
02205 — Boston city, MA (2.3 mi)

Areas that include 02125

Mail every home in 02125

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 02125, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 02125 in?: 02125 is a Dorchester, MA mailing address. By land area, 100% lies inside Boston.
What county is 02125 in?: 02125 is in Suffolk County.
What is the population of 02125?: About 33,662 people (±1,715), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 34,926.
What is the median household income in 02125?: $82,953 (±$12,485), compared with $103,960 for Massachusetts as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 02125?: 23 USPS carrier routes with 13,683 residential and 500 business mailboxes (14,186 in all), from the route data stored by EDDM2GO. An EDDM mailing can target any combination of these routes.
What ZIP codes are near 02125?: The closest, measured center to center: 02122 (1.4 mi, Boston), 02119 (1.6 mi, Boston), 02127 (1.6 mi, Boston), 02118 (1.7 mi, Boston), 02121 (1.8 mi, Boston) and 02124 (2.3 mi, Boston).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.