ZipCodeLook
02478

Zip code 02478: Belmont, Massachusetts

Residential delivery areaMiddlesex CountyEastern Time
Population
27,175
Median household income
$183K
U.S. $81K
Median home value
$1.2M
U.S. $333K
Median rent
$2,527/mo
U.S. $1,413
Median age
42.9
U.S. 38.9
Land area
4.6 sq mi
5,850 people/sq mi

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

About 02478

02478 is an urban zip code in Belmont, Massachusetts (Middlesex County), covering 4.6 sq mi of land. About 27,175 people live here, or 5,850 per square mile. The median resident is 42.9 years old, compared with 38.9 nationally.

The median household earns $183,137 a year, about 2.3× the national median of $80,734. 3.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $1,159,000, or 6.3 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 65% of occupied homes are lived in by their owners, and renters pay a median of $2,527 a month.

81% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 29.3 minutes each way, and 32% of workers work from home. The most common jobs among working residents are in management; engineering and science; and business and finance. 36% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 02478 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
42.9
Under 18
24.2%
65 and over
19.3%

Race and ethnicity

  • White69%
  • Black2%
  • Hispanic5%
  • Asian19%
  • Native American0%
  • Pacific Islander0.0%
  • Other0.6%
  • Multiracial5%
Diversity index
48.3
U.S. 61.4
Foreign-born
26.2%
U.S. 14.1%
Born in state
45.7%

Language spoken at home (households)

English only
64%
Spanish
6%
Other Indo-European
15%
Asian / Pacific
14%
Other
1%

Households

Households
10,412
Average household size
2.6
Family households
73.9%
Married couples
62.3%
Living alone
20.5%
Veterans (of adults)
2.2%
Male / female
48% / 52%

Income and poverty

Household income distribution

<$25k
6%
$25–50k
6%
$50–75k
9%
$75–100k
6%
$100–150k
14%
$150–200k
11%
$200k+
47%

Median household income

02478
$183,137
Middlesex Co.
$130,847
Massachusetts
$103,960
United States
$80,734
Per capita income
$95,484
U.S. $44,673
Poverty rate
3.6%
U.S. 12.5%
Households earning $150K+
58.6%
U.S. 23%
Income inequality (Gini)
0.466
U.S. 0.483

Housing

Median home value

02478
$1,159,000
Middlesex Co.
$727,800
Massachusetts
$562,100
United States
$332,700

Median gross rent

02478
$2,527
Middlesex Co.
$2,201
Massachusetts
$1,762
United States
$1,413

Types of housing

Single-family
51%
2–4 units
38%
5–19 units
3%
20+ units
8%
Mobile home
0%
Boat, RV, van
0%
Housing units
10,881
Owner-occupied
64.7%
Vacant
4.3%
Median year built
1939 or earlier
Median rooms
6.4
Renters paying 30%+ of income
45.6%
Renters paying 50%+ of income
21.8%
Home value to income
6.3× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
48%
Carpooled
4%
Transit
9%
Walked
2%
Bicycle
3%
Worked from home
32%
Other
1%

Commute time (one way)

<10 min
7%
10–19
17%
20–29
22%
30–44
34%
45–59
11%
60+
8%
Average commute
29.3 min
U.S. 26.4 min
Unemployment
4.3%
U.S. 5.2%
In labor force
68.3%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
16%
Engineering and science
14%
Business and finance
12%
Education
11%
Healthcare
8%
Computer and math
8%
Sales
7%
Legal and social services
5%
Office and admin
5%
Arts, media and sports
3%
Construction and repair
2%
Cleaning and personal care
2%
Food service
2%
Production
1%
Transportation and moving
1%
Police and fire
0.8%
Farming, fishing and forestry
0%

Industries

Professional and technical services
26%
Education
16%
Health care and social assistance
14%
Manufacturing
10%
Finance, insurance and real estate
8%
Retail
6%
Restaurants and hotels
3%
Construction
3%
Information
2%
Arts and recreation
2%
Public administration
2%
Other services
2%
Transportation, warehousing and utilities
1%
Admin, support and management
1%
Wholesale
1%
Agriculture and mining
0.2%
Median earnings per worker
$107,054
U.S. $49,666
Self-employed
10.4%
U.S. 10%
Government workers
7.3%
U.S. 14.5%
Nonprofit workers
21.3%
U.S. 8.8%

Median earnings by type of work

Type of work02478U.S.
Management, business, science and arts$125,748$74,888
Service$23,021$26,804
Sales and office$50,313$40,476
Construction and maintenance$77,500$49,199
Production and transportation$42,679$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
2%
High school
8%
Some college
5%
Associate's
4%
Bachelor's
29%
Graduate
52%
High school graduate or higher
97.7%
Bachelor's degree or higher
80.9%
Graduate or professional degree
51.6%
Households with broadband
96.4%
Cable, fiber or DSL
89.9%
No internet access
2.6%
Without health insurance
1.8%
Limited-English households
4.3%

Geography

City (USPS)
Belmont
Center point
42.3953° N, 71.1803° W
Land area
4.6 sq mi
Water area
0.1 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Cities and towns within this zip

  • Belmont (unincorporated)100% of zip

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

Zip codes near 02478

ZipCityDistanceIncome
02479Waverley · PO box0.5 mi—
02476Arlington1.5 mi$151,131
02471Watertown · PO box1.7 mi—
02475Arlington Heights · PO box1.7 mi—
02477Watertown · PO box1.7 mi—
02472Watertown1.8 mi$126,336
02452Waltham2 mi$118,431
02474Arlington2.2 mi$150,560
02140Cambridge2.4 mi$135,286
02138Cambridge2.5 mi$119,967
02495Nonantum · PO box2.5 mi—
02455North Waltham · PO box2.6 mi—

Zip codes like 02478 elsewhere

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

Questions about 02478

What city is zip code 02478?

02478 is assigned to Belmont, Massachusetts. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 02478 in?

02478 is in Middlesex County, Massachusetts.

What is the population of 02478?

About 27,175 people live in 02478, according to the Census Bureau's American Community Survey.

What time zone is 02478 in?

02478 is in Eastern Time.

What is the median household income in 02478?

The median household income in 02478 is $183,137.

What zip codes are near 02478?

The closest zip codes to 02478 are 02479, 02476, 02471, 02475, 02477.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 02478, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.