US ZIP Code
02478

Belmont, MA

Middlesex County  ·  Massachusetts

● Active
👥 26,966 Population ↑ 3% since 2019
💰 $177,790 Median HH Income
▲ 133% above avg ↑ 37% since 2019
🎂 42.4 Median Age ↑ 3% since 2019
🏠 $1,108,800 Median Home Value
▲ 298% above avg ↑ 29% since 2019
🎓 82.6% College Grads
▲ 113% above avg
📊 4.5% Unemployment
▼ 8% below avg ↑ 13% since 2019
ZIP Code Details
ZIP Code02478
CityBelmont
StateMassachusetts (MA)
CountyMiddlesex County
Area Code617/857
Elevation218 ft
Latitude42.395317
Longitude-71.180284
TimezoneNew York (DST)
FIPS25017
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 47.7% (12,865) Female 52.3% (14,101) ♀

Race & Ethnicity

White: 68.4%Hispanic: 4.7%Black: 1.5%Asian: 20.4%Other: 4.5%Race
White68.4%
Hispanic4.7%
Black1.5%
Asian20.4%
Other4.5%

Age Breakdown

Under 5
5%
5–17
19%
18–24
5%
25–44
25%
45–64
28%
65+
8%

Key Indicators

Median Age42.4 yrs ↑ 3% since 2019
Avg Household Size2.59
Below Poverty3.4% ▼ 66% below avg
College Grads82.6% ▲ 113% above avg
Unemployment4.5% ▼ 8% below avg
No HS Diploma115 (0.7%)
HS Graduate1,516 (9.6%)
Some College290 (1.8%)
Associates827 (5.2%)
Bachelors787 (5%)
Graduate Degree12,290 (77.7%)

Education

No HS: 0.7%HS Grad: 9.6%Some College: 1.8%Associates: 5.2%Bachelors: 5%Graduate: 77.7%Edu
No HS0.7%
HS Grad9.6%
Some College1.8%
Associates5.2%
Bachelors5.0%
Graduate77.7%
Housing & Income

Housing Tenure

Owner: 64.4%Renter: 35.6%Tenure
Owner64.4%
Renter35.6%

Home Value Distribution

Under $50k
1%
$100k–150k
0%
$150k–200k
0%
$200k–300k
0%
$300k–500k
5%
Over $500k
94%

Financials

Median HH Income$177,790 ▲ 133% above avg ↑ 37% since 2019
Median Home Value$1,108,800 ▲ 298% above avg ↑ 29% since 2019
Home/Income Ratio6.2x (nat avg ~3.5x)
Median Rent$2,382/mo ↑ 19% since 2019
Total Units10,811
Vacant Units475
Avg HH Size2.59

Income Distribution

Under $25k
7%
$25k–50k
5%
$50k–75k
7%
$75k–100k
7%
$100k–150k
15%
$150k–200k
13%
Over $200k
45%
Employment & Commute

How People Get to Work

Drove Alone
54%
Public Transit
12%
Walked
2%
Work From Home
31%

Commute Time

Under 15 min
14%
15–30 min
34%
30–45 min
31%
Over 45 min
21%
Housing Stock

Year Built

Before 1940
8%
1940s–1950s
10%
1960s–1970s
3%
1980s–1990s
1%
2000+
77%

Summary

Total Units10,811
Vacant475
Owner Occupied64.4%
Renter Occupied35.6%
Avg HH Size2.59
Frequently Asked Questions
ZIP code 02478 is in Belmont, MA, in Middlesex County.
ZIP code 02478 is located in Massachusetts (MA).
ZIP code 02478 is in Middlesex County, MA.
ZIP 02478 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 02478 is 26,966 people (ACS 2023).
The median household income in ZIP code 02478 is $177,790 (ACS 2023).
The median home value in ZIP 02478 is $1,108,800 (ACS 2023).
About ZIP Code 02478

ZIP code 02478 is located in Belmont, Massachusetts, within Middlesex County. With a population of 26,966, this is a moderately populated ZIP code with a middle-aged community — the median age is 42.4 years. Economically, 02478 is a affluent ZIP code: the median household income of $177,790 is more than double the national average.

Real estate in ZIP code 02478 represents among the most expensive housing markets in the country. The median home value of $1,108,800 is more than double the national average. Renters can expect to pay around $2,382 per month in median rent. Homeownership is strong here — 64.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.

The population of 02478 is majority White (68.37%). Residents are highly educated — 82.6% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 3.4%. Household income has grown by 37% since 2019.

The unemployment rate in 02478 stands at 4.5%, which is near the national average. A notably high share of workers — 28% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 49%.

Overall, ZIP code 02478 in Belmont, MA is characterized as affluent, highly educated, a middle-aged community, and predominantly owner-occupied. With 26,966 residents, a median household income of $177,790, and a median home value of $1,108,800, it offers a clear picture of life in this part of Massachusetts.