South Boston ZIP Codes — Suffolk County, MA

There is one unique ZIP code in South Boston, Massachusetts and it is 02127. Area code: 781/617/857.
1
ZIP codes
2.06
sq mi land
0.63
sq mi water
781/617/857
area code
South Boston, MA ZIP code map

About South Boston, MA

South Boston, MA, is a vibrant neighborhood located within the city of Boston, known for its rich history and strong community ties. This area is often referred to as Southie, famous for its Irish heritage and bustling waterfront. South Boston is a unique blend of residential and commercial spaces, making it a dynamic place to live and visit.

Location & geography

Situated in Suffolk County, South Boston spans a land area of 2.06 square miles and has a water area of 0.63 square miles, providing residents and visitors access to scenic waterfront views. The neighborhood is conveniently located near downtown Boston and is bordered by nearby cities such as Dorchester, approximately 1 mile to the west, and Quincy, about 6 miles to the south. The terrain is predominantly urban with a mix of parks and the Boston Harbor enhancing the area's natural beauty.

Community & economy

South Boston is characterized by its strong sense of community, where residents often come together for various local events, especially around St. Patrick's Day and other cultural celebrations. The neighborhood is home to a diverse range of industries, including food service, hospitality, and the construction sector, contributing to its dynamic economy. Daily life in South Boston is lively, with numerous shops, restaurants, and recreational areas that cater to both locals and visitors alike.

Transportation

Residents of South Boston enjoy easy access to major highways such as Interstate 93, facilitating quick commutes to other parts of Massachusetts. For air travel, the nearest major airport is Logan International Airport, which is approximately 4 miles away. Public transportation is readily available via the Massachusetts Bay Transportation Authority (MBTA), providing bus and subway services that connect South Boston to the greater Boston area.

History

South Boston was originally settled in the late 17th century and became an important industrial hub in the 19th century, with shipbuilding and manufacturing playing significant roles in its development. Throughout the years, South Boston has experienced numerous transformations, with notable events such as the busing crisis in the 1970s shaping its social landscape. Today, it retains a rich history while evolving into a trendy area known for its revitalized waterfront and vibrant culture.

Did you know?

One surprising fact about South Boston is that it was once home to the largest shipyard in the world during World War II, which significantly contributed to the war effort. Additionally, the neighborhood has become increasingly popular with young professionals and families in recent years, attracted by its growing number of amenities and attractions.

ZIP codes for South Boston, MA (1)
ZIP code City County Map
02127 South Boston Suffolk View map

Demographics & statistics

36,175
Population
32.4
Median age
$145,357
Median household income
$86,557
Per capita income
$818,200
Median home value
$2,255
Median monthly rent
44.5%
Home ownership
10.5%
Poverty rate
4.0%
Unemployment
9,535
Housing units
70.0%
Bachelor's or higher

Age distribution

Male Female
840
Under 5
898
465
5–9
496
525
10–14
561
405
15–19
432
1,171
20–24
1,252
6,519
25–34
6,965
2,697
35–44
2,882
1,645
45–54
1,758
863
55–59
921
772
60–64
824
913
65–74
975
446
75–84
476
229
85+
245
← Male
Female →

Age summary

GroupCount%
Under 184,25411.8%
18 and over31,92188.2%
65 and over3,2849.1%
Median age32.4 years

Race & ethnicity

White 73.6%
Hispanic or Latino 6.5%
Asian 6.5%
Two or more races 6%
Black or African American 4.3%
Other race 2.9%
American Indian / Alaska Native 0.1%
GroupCount%
White28,50773.6%
Hispanic or Latino2,5336.5%
Asian2,5276.5%
Two or more races2,3116%
Black or African American1,6794.3%
Other race1,1192.9%
American Indian / Alaska Native320.1%

Household income

Under $10k 5.4%
$10k–$15k 2.6%
$15k–$25k 5.5%
$25k–$35k 4.0%
$35k–$50k 4.1%
$50k–$75k 7.6%
$75k–$100k 7.1%
$100k–$150k 14.5%
$150k–$200k 13.9%
$200k+ 35.2%
Range% of households
Under $10k5.4%
$10k–$15k2.6%
$15k–$25k5.5%
$25k–$35k4.0%
$35k–$50k4.1%
$50k–$75k7.6%
$75k–$100k7.1%
$100k–$150k14.5%
$150k–$200k13.9%
$200k+35.2%
Median income$145,357

Housing

Home values

Under $50k 0.7%
$50k–$100k 0.1%
$100k–$150k 0.1%
$150k–$200k 0.1%
$200k–$300k 0.5%
$300k–$500k 11.7%
$500k–$1M 59.1%
$1M+ 27.7%

Housing overview

MetricValue
Median home value$818,200
Median rent / month$2,255
Owner occupied44.5%
Renter occupied55.5%
Vacant9.4%
Single-family detached7.9%
Large apartment buildings13.7%
Mobile homes0.0%
Median rooms4.2
Avg household size (owned)2.08

Year built

Era%
2020 or later0.3%
2010–201912.9%
2000–20098.7%
1990–19994.3%
1980–19895.4%
1970–19796.2%
1960–19694.5%
1950–19596.2%
1940–19494.3%
1939 or earlier47.1%

Bedrooms

Size% of units
No bedroom (studio)2.5%
1 bedroom22.4%
2 bedrooms44.3%
3 bedrooms22.8%
4 bedrooms6.0%
5+ bedrooms2.0%

Vehicles per household

Vehicles% of households
No vehicle27.5%
1 vehicle48.3%
2 vehicles20.2%
3 or more4.0%

Heating fuel

Fuel type%
Utility gas67.3%
Electricity23.3%
Propane / LP gas3.0%
Fuel oil4.1%
No fuel used2.1%

Households & families

Household typeCount%
Married-couple family4,71327.1%
Cohabiting couple2,03511.7%
Male householder, no spouse4,52626.0%
Female householder, no spouse6,13235.2%
Households with children under 182,59214.9%
Households with seniors (65+)2,52514.5%
Average household size2.06

Marital status

StatusMaleFemale
Never married58.4%58.6%
Married33.5%29.3%
Separated1.0%1.9%
Widowed1.8%4.3%
Divorced5.2%5.9%

Education

Less than 9th grade 2.9%
Some HS, no diploma 2.4%
HS graduate 13.6%
Some college, no degree 8.6%
Associate's degree 2.6%
Bachelor's degree 44.6%
Graduate / professional 25.4%
Metric%
HS diploma or higher94.8%
Bachelor's or higher70.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool4257.2%
Kindergarten1402.4%
Elementary school1,82431.0%
High school73412.5%
College / grad school2,75346.9%

Employment

Industry of employment

Professional & management 27.3%
Education & healthcare 23.2%
Finance & real estate 16.3%
Retail trade 7.9%
Manufacturing 5.5%
Arts, food & hospitality 4.7%
Public administration 3.1%
Construction 3.0%
Information 2.6%
Transportation & utilities 2.5%
Wholesale trade 1.9%
Other services 1.8%
Agriculture & mining 0.1%

Occupation

Category%
Management, business & arts65.8%
Service9.8%
Sales & office19.0%
Natural resources & construction2.2%
Production & transportation3.2%

Employment type

Type%
Private sector87.4%
Government10.3%
Self-employed2.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone34.2%
Carpool3.3%
Public transit27.8%
Walk8.9%
Other means2.9%
Avg commute (minutes)28.8

Poverty

All people 10.5%
Under 18 years 21.0%
18 and over 9.1%
Married-couple families 4.8%
Female-led households 23.8%

Income support

Source% of households
Social Security12.5%
Retirement income11.7%
Supplemental Security4.8%
Cash public assistance3.0%
Food stamps / SNAP10.3%

Health indicators

Condition%
High blood pressure19.0%
High cholesterol22.7%
Heart disease3.6%
Stroke1.8%
Asthma10.6%
Arthritis15.7%
Kidney disease1.9%
Pulmonary disease3.7%
Cancer4.9%
Behavior / access%
Binge drinking22.8%
No physical activity15.4%
Less than 7 hrs sleep29.0%
Fair or poor health8.7%
Poor mental health14.2%
Poor physical health6.5%
No health insurance6.4%
Visited doctor (checkup)73.4%
Visited dentist73.0%
Cholesterol screening88.2%
Teeth loss8.9%

Veterans & disability

VeteransCount%
Civilian veterans9503.0%
Disability%
Any disability8.6%
Under 186.5%
18–64 years6.1%
65 and over34.7%

Health insurance coverage

Type%
Private insurance80.5%
Public insurance24.1%
Uninsured under 190.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only34,43795.2%
Spanish2,6357.7%
Other Indo-European1,3383.9%
Asian & Pacific Islander3180.9%
Other languages8872.6%

Place of birth & citizenship

OriginCount%
Native born (US)31,50587.1%
Born in same state30,91585.5%
Born in different state20,55956.8%
Foreign born5901.6%
Naturalized citizen4,67012.9%
Not a US citizen3,13167.0%

Ancestry

AncestryCount%
Italian11,34331.4%
French2,7727.7%
Arab8892.5%
German6281.7%
AncestryCount%
Norwegian3821.1%
English2060.6%
Polish1660.5%
Irish1590.4%

Technology access

Metric% of households
Computer access48.1%
Internet access94.7%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions
What ZIP codes does South Boston, MA have?
South Boston, MA has one ZIP code: 02127. Each ZIP code serves a distinct delivery area within the city and surrounding region.
Need the complete Massachusetts ZIP code database? Download all MA ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →