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02129

Zip code 02129: Charlestown, Massachusetts

Residential delivery areaSuffolk CountyEastern Time
Population
20,032
Median household income
$157K
U.S. $81K
Median home value
$912K
U.S. $333K
Median rent
$2,259/mo
U.S. $1,413
Median age
35.6
U.S. 38.9
Land area
1.4 sq mi
14,806 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 02129

02129 is a dense urban zip code in Charlestown, Massachusetts (Suffolk County), covering 1.4 sq mi of land. About 20,032 people live here, or 14,806 per square mile. The median resident is 35.6 years old, compared with 38.9 nationally.

The median household earns $157,247 a year, about 1.9× the national median of $80,734. 8.8% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $912,000, or 5.8 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 51% of occupied homes are lived in by their owners, and renters pay a median of $2,259 a month.

71% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 28.7 minutes each way, and 29% of workers work from home; working from home is more common than any single way of commuting. The most common jobs among working residents are in management; business and finance; and healthcare.

How 02129 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
35.6
Under 18
19.7%
65 and over
14.1%

Race and ethnicity

  • White70%
  • Black6%
  • Hispanic10%
  • Asian8%
  • Native American0%
  • Pacific Islander0%
  • Other0.4%
  • Multiracial6%
Diversity index
48.4
U.S. 61.4
Foreign-born
13.1%
U.S. 14.1%
Born in state
54.7%

Language spoken at home (households)

English only
80%
Spanish
7%
Other Indo-European
6%
Asian / Pacific
7%
Other
0.7%

Households

Households
9,606
Average household size
2.1
Family households
48.4%
Married couples
33.7%
Living alone
39.4%
Veterans (of adults)
2.6%
Male / female
47% / 53%

Income and poverty

Household income distribution

<$25k
12%
$25–50k
9%
$50–75k
7%
$75–100k
6%
$100–150k
15%
$150–200k
11%
$200k+
41%

Median household income

02129
$157,247
Suffolk Co.
$95,631
Massachusetts
$103,960
United States
$80,734
Per capita income
$100,420
U.S. $44,673
Poverty rate
8.8%
U.S. 12.5%
Households earning $150K+
51.8%
U.S. 23%
Income inequality (Gini)
0.485
U.S. 0.483

Housing

Median home value

02129
$912,000
Suffolk Co.
$705,800
Massachusetts
$562,100
United States
$332,700

Median gross rent

02129
$2,259
Suffolk Co.
$2,129
Massachusetts
$1,762
United States
$1,413

Types of housing

Single-family
22%
2–4 units
33%
5–19 units
15%
20+ units
30%
Mobile home
0%
Boat, RV, van
0.0%
Housing units
10,107
Owner-occupied
50.5%
Vacant
5%
Median year built
1939 or earlier
Median rooms
4
Renters paying 30%+ of income
36.1%
Renters paying 50%+ of income
16.8%
Home value to income
5.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
27%
Carpooled
5%
Transit
16%
Walked
13%
Bicycle
7%
Worked from home
28%
Other
3%

Commute time (one way)

<10 min
4%
10–19
20%
20–29
24%
30–44
36%
45–59
10%
60+
6%
Average commute
28.7 min
U.S. 26.4 min
Unemployment
3.6%
U.S. 5.2%
In labor force
80%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
21%
Business and finance
14%
Healthcare
13%
Sales
9%
Office and admin
7%
Engineering and science
6%
Legal and social services
5%
Education
5%
Computer and math
3%
Arts, media and sports
3%
Food service
3%
Construction and repair
3%
Transportation and moving
2%
Cleaning and personal care
2%
Police and fire
1%
Production
1%
Farming, fishing and forestry
0%

Industries

Professional and technical services
26%
Health care and social assistance
17%
Finance, insurance and real estate
12%
Education
8%
Retail
8%
Manufacturing
5%
Construction
4%
Public administration
3%
Restaurants and hotels
3%
Information
3%
Admin, support and management
3%
Transportation, warehousing and utilities
3%
Other services
2%
Wholesale
1%
Arts and recreation
0.6%
Agriculture and mining
0.0%
Median earnings per worker
$108,400
U.S. $49,666
Self-employed
8.1%
U.S. 10%
Government workers
8.2%
U.S. 14.5%
Nonprofit workers
15.3%
U.S. 8.8%

Median earnings by type of work

Type of work02129U.S.
Management, business, science and arts$126,594$74,888
Service$31,194$26,804
Sales and office$91,654$40,476
Construction and maintenance$73,131$49,199
Production and transportation$27,404$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
7%
High school
11%
Some college
8%
Associate's
3%
Bachelor's
37%
Graduate
34%
High school graduate or higher
92.6%
Bachelor's degree or higher
71.2%
Graduate or professional degree
33.8%
Households with broadband
95.3%
Cable, fiber or DSL
83.5%
No internet access
1.8%
Without health insurance
0.6%
Limited-English households
4.4%

Geography

City (USPS)
Charlestown
Center point
42.3797° N, 71.0615° W
Land area
1.4 sq mi
Water area
0.5 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Boston100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 02129

ZipCityDistanceIncome
02109Boston1 mi$158,843
02113Boston1 mi$113,314
02114Boston1.1 mi$132,210
02222Boston · PO box1.1 mi—
02141Cambridge1.3 mi$126,522
02203Boston1.3 mi—
02142Cambridge1.5 mi$147,723
02212Boston · PO box1.5 mi—
02112Boston · PO box1.5 mi—
02117Boston · PO box1.5 mi—
02133Boston1.5 mi—
02196Boston · PO box1.5 mi—

Zip codes like 02129 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 02129

What city is zip code 02129?

02129 is assigned to Charlestown, Massachusetts. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 02129 in?

02129 is in Suffolk County, Massachusetts.

What is the population of 02129?

About 20,032 people live in 02129, according to the Census Bureau's American Community Survey.

What time zone is 02129 in?

02129 is in Eastern Time.

What is the median household income in 02129?

The median household income in 02129 is $157,247.

What zip codes are near 02129?

The closest zip codes to 02129 are 02109, 02113, 02114, 02222, 02141.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 02129, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.