Charlestown ZIP Code List — Suffolk County, MA

There is one unique ZIP code in Charlestown, Massachusetts and it is 02129. Area code: 617/857/781/339.

ZIP codes

1.35

sq mi land

0.49

sq mi water

617/857/781/339

area code

Charlestown, MA ZIP code map

About Charlestown, MA

Charlestown, Massachusetts, is a historic neighborhood located just north of downtown Boston. Known for its rich history and culture, it sits prominently on the banks of the Charles River. The area is characterized by its charming streets, iconic landmarks, and vibrant community life.

Location & geography

Charlestown is situated within Suffolk County, making it a vital part of the Greater Boston area. It is bordered by the cities of Somerville to the northwest, Cambridge to the west, and Boston proper to the south, with distances ranging from approximately 1.5 to 3 miles. Covering a land area of 1.35 square miles, the neighborhood also features a water area of 0.49 square miles, contributing to its scenic riverside views.

Community & economy

The character of Charlestown is defined by its combination of historical charm and modern urban life. The community has a mix of residential, commercial, and industrial sectors, with many local businesses thriving alongside larger establishments. Daily life in Charlestown is enriched by its cultural heritage, community events, and a strong sense of neighborhood camaraderie.

Transportation

Charlestown is conveniently accessible via major highways, including Interstate 93, which connects it to Boston and beyond. Logan International Airport, located just a few miles away in East Boston, serves as the nearest airport, providing both domestic and international travel options. Public transit is available through the Massachusetts Bay Transportation Authority (MBTA), offering bus and subway services that link the area to other parts of the city.

History

Charlestown was founded in 1628, making it one of the oldest neighborhoods in Boston. This area developed as a significant industrial hub, particularly during the 19th century, playing a key role in shipbuilding and manufacturing. Notably, Charlestown is home to the Bunker Hill Monument, commemorating a pivotal event in the American Revolutionary War.

Did you know?

One surprising fact about Charlestown is that it was once an independent town before being annexed to Boston in 1874. Additionally, the neighborhood was the setting for the famous movie 'The Town,' which showcased the area's rich history and urban landscape.

ZIP codes for Charlestown, MA (1)

ZIP code	City	County	Map
02129	Charlestown	Suffolk	View map

Demographics & statistics

19,832

Population

35.8

Median age

$146,815

Median household income

$88,676

Per capita income

$913,500

Median home value

$1,900

Median monthly rent

48.2%

Home ownership

8.4%

Poverty rate

2.5%

Unemployment

5,060

Housing units

70.6%

Bachelor's or higher

Age distribution

Male Female

783

Under 5

905

570

5–9

658

528

10–14

610

158

15–19

182

191

20–24

221

2,200

25–34

2,540

1,689

35–44

1,951

1,002

45–54

1,157

488

55–59

563

416

60–64

480

767

65–74

886

298

75–84

345

113

85+

131

← Male

Female →

Age summary

Group	Count	%
Under 18	4,284	21.6%
18 and over	15,548	78.4%
65 and over	2,540	12.8%
Median age	35.8 years

Race & ethnicity

White 71.5%

Asian 7.6%

Two or more races 6.9%

Black or African American 6.6%

Hispanic or Latino 5.4%

Other race 1.9%

Group	Count	%
White	14,998	71.5%
Asian	1,602	7.6%
Two or more races	1,439	6.9%
Black or African American	1,394	6.6%
Hispanic or Latino	1,139	5.4%
Other race	397	1.9%

Household income

Under $10k 2.9%

$10k–$15k 4.0%

$15k–$25k 6.4%

$25k–$35k 5.7%

$35k–$50k 3.7%

$50k–$75k 7.5%

$75k–$100k 8.1%

$100k–$150k 12.6%

$150k–$200k 11.9%

$200k+ 37.3%

Range	% of households
Under $10k	2.9%
$10k–$15k	4.0%
$15k–$25k	6.4%
$25k–$35k	5.7%
$35k–$50k	3.7%
$50k–$75k	7.5%
$75k–$100k	8.1%
$100k–$150k	12.6%
$150k–$200k	11.9%
$200k+	37.3%
Median income	$146,815

Housing

Home values

Under $50k 0.2%

$50k–$100k 0.4%

$150k–$200k 0.2%

$200k–$300k 0.6%

$300k–$500k 7.3%

$500k–$1M 51.4%

$1M+ 39.9%

Housing overview

Metric	Value
Median home value	$913,500
Median rent / month	$1,900
Owner occupied	48.2%
Renter occupied	51.8%
Vacant	6.4%
Single-family detached	5.3%
Large apartment buildings	30.5%
Mobile homes	0.0%
Median rooms	4.0
Avg household size (owned)	2.25

Year built

Era	%
2020 or later	0.5%
2010–2019	5.3%
2000–2009	8.0%
1990–1999	4.4%
1980–1989	8.4%
1970–1979	8.2%
1960–1969	2.4%
1950–1959	3.5%
1940–1949	7.0%
1939 or earlier	52.4%

Bedrooms

Size	% of units
No bedroom (studio)	6.4%
1 bedroom	27.7%
2 bedrooms	39.2%
3 bedrooms	16.9%
4 bedrooms	8.0%
5+ bedrooms	1.8%

Vehicles per household

Vehicles	% of households
No vehicle	20.8%
1 vehicle	57.1%
2 vehicles	20.7%
3 or more	1.5%

Heating fuel

Fuel type	%
Utility gas	56.0%
Electricity	35.6%
Propane / LP gas	2.5%
Fuel oil	2.3%
No fuel used	2.8%

Households & families

Household type	Count	%
Married-couple family	3,479	37.9%
Cohabiting couple	797	8.7%
Male householder, no spouse	1,568	17.1%
Female householder, no spouse	3,343	36.4%
Households with children under 18	2,448	26.6%
Households with seniors (65+)	1,943	21.1%
Average household size	2.15

Marital status

Status	Male	Female
Never married	38.3%	38.8%
Married	55.5%	43.4%
Separated	0.7%	2.3%
Widowed	0.9%	6.3%
Divorced	4.7%	9.2%

Education

Less than 9th grade 2.4%

Some HS, no diploma 3.8%

HS graduate 13.3%

Some college, no degree 6.8%

Associate's degree 3.0%

Bachelor's degree 35.1%

Graduate / professional 35.5%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	70.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	465	13.2%
Kindergarten	353	10.0%
Elementary school	1,703	48.4%
High school	325	9.2%
College / grad school	671	19.1%

Employment

Industry of employment

Professional & management 28.9%

Education & healthcare 25.6%

Finance & real estate 12.5%

Retail trade 7.6%

Manufacturing 4.6%

Arts, food & hospitality 4.6%

Public administration 4.1%

Construction 3.4%

Information 3.2%

Other services 2.8%

Transportation & utilities 1.7%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	67.6%
Service	11.2%
Sales & office	15.2%
Natural resources & construction	2.8%
Production & transportation	3.2%

Employment type

Type	%
Private sector	87.3%
Government	9.9%
Self-employed	2.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	32.0%
Carpool	4.6%
Public transit	20.6%
Walk	15.2%
Other means	8.5%
Avg commute (minutes)	29.3

Poverty

All people 8.4%

Under 18 years 10.5%

18 and over 7.8%

Married-couple families 2.5%

Female-led households 15.5%

Income support

Source	% of households
Social Security	17.8%
Retirement income	12.7%
Supplemental Security	3.7%
Cash public assistance	3.0%
Food stamps / SNAP	12.7%

Health indicators

Condition	%
High blood pressure	20.3%
High cholesterol	24.2%
Heart disease	3.8%
Stroke	1.8%
Asthma	10.5%
Arthritis	16.8%
Kidney disease	2.0%
Pulmonary disease	3.8%
Cancer	5.2%

Behavior / access	%
Binge drinking	21.1%
No physical activity	15.5%
Less than 7 hrs sleep	29.5%
Fair or poor health	8.5%
Poor mental health	13.7%
Poor physical health	6.6%
No health insurance	5.8%
Visited doctor (checkup)	74.4%
Visited dentist	73.0%
Cholesterol screening	89.5%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	510	3.3%

Disability	%
Any disability	9.1%
Under 18	5.4%
18–64 years	5.6%
65 and over	33.5%

Health insurance coverage

Type	%
Private insurance	81.0%
Public insurance	29.3%
Uninsured under 19	1.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	18,144	91.5%
Spanish	1,131	6.2%
Other Indo-European	298	1.6%
Asian & Pacific Islander	135	0.7%
Other languages	655	3.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	17,052	86.0%
Born in same state	16,581	83.6%
Born in different state	10,659	53.7%
Foreign born	471	2.4%
Naturalized citizen	2,780	14.0%
Not a US citizen	1,644	59.1%

Ancestry

Ancestry	Count	%
Italian	5,066	25.5%
French	2,379	12%
Arab	930	4.7%
German	646	3.3%
Polish	111	0.6%

Ancestry	Count	%
Norwegian	111	0.6%
English	75	0.4%
Dutch	57	0.3%
Irish	30	0.2%

Technology access

Metric	% of households
Computer access	46.3%
Internet access	95.7%

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

Frequently asked questions

What is the ZIP code for Charlestown, MA?

Charlestown, MA has one ZIP code: 02129.

What is the main ZIP code for Charlestown, MA?

The primary ZIP code for Charlestown, MA is 02129. The city uses area code 617 or 857 or 781 or 339 for phone service.

What county is Charlestown, MA in?

Charlestown is located in Suffolk County, Massachusetts.

How many ZIP codes are in Charlestown, MA?

Charlestown, MA has 1 ZIP code.

What is the ZIP code for the Charlestown Navy Yard and USS Constitution area?

The Charlestown Navy Yard, home to the USS Constitution, is located in ZIP code 02129, which covers all of Charlestown, Massachusetts.

What ZIP code should I use when mailing to a business located along Main Street in downtown Charlestown?

Addresses along Main Street and throughout downtown Charlestown use ZIP code 02129, the single ZIP code that serves the entire Charlestown neighborhood.