Comparison to Surrounding Areas
The median household income ($183,137) for 02478 is less than the median household income for 02421 ($227,813). But it's more than 02476 ($151,131), 02138 ($119,967), 02140 ($135,286), 02452 ($118,431), 02453 ($115,366), 02472 ($126,336), 02474 ($150,560), and Middlesex County ($130,847). And it's the same as Belmont town ($183,137).
| 02478 | $183,137 |
| Belmont town | $183,137 |
| Middlesex County | $130,847 |
Get Median Household Income for all Zip Codes in Massachusetts.
The average household income ($246,939) for 02478 is less than the average household income for 02421 ($294,354). But it's more than 02476 ($222,337), 02138 ($197,176), 02140 ($184,387), 02452 ($145,132), 02453 ($137,835), 02472 ($160,262), 02474 ($204,910), and Middlesex County ($178,070). And it's the same as Belmont town ($246,939).
| 02478 | $246,939 |
| Belmont town | $246,939 |
| Middlesex County | $178,070 |
Get Average Household Income for all Zip Codes in Massachusetts.
The per-capita income for 02478 is $95,484. The per capita income ($95,484) for 02478 is less than the per capita income for 02421 ($112,662) and 02476 ($97,683). But it's more than 02452 ($52,042), 02138 ($75,496), 02140 ($86,528), 02474 ($88,030), 02453 ($56,697), 02472 ($73,788), and Middlesex County ($69,556). And it's the same as Belmont town ($95,484).
| 02478 | $95,484 |
| Belmont town | $95,484 |
| Middlesex County | $69,556 |
Get Per-Capita Income for all Zip Codes in Massachusetts.
47.1% of households make over $200,000 a year. The percent high income households (47.1%) for 02478 is less than the percent high income households for 02421 (52.7%). But it's more than 02476 (36.7%), 02138 (30.2%), 02140 (33.1%), 02452 (25.9%), 02453 (22.4%), 02472 (27.6%), 02474 (38.6%), and Middlesex County (31.1%). And it's the same as Belmont town (47.1%).
| 02478 | 47.1% |
| Belmont town | 47.1% |
| Middlesex County | 31.1% |
Get High Income Households for all Zip Codes in Massachusetts.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 02478 | $97,614 | $177,685 | $234,522 | $124,545 |
| Belmont town | $97,614 | $177,685 | $234,522 | $124,545 |
| Middlesex County | $80,376 | $149,054 | $162,925 | $78,342 |
Get Median Household Income by Age of Householder for all Zip Codes in Massachusetts.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 02478 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 02478 | +/-$14,328 | +/-$16,663 | +/-$6,007 | +/-2.7% | +/-$76,684 | +/-$31,392 | +/-$17,056 | +/-$10,790 |
| Belmont town | +/-$14,328 | +/-$16,663 | +/-$6,007 | +/-2.7% | +/-$76,684 | +/-$31,392 | +/-$17,056 | +/-$10,790 |
| Middlesex County | +/-$1,164 | +/-$1,505 | +/-$581 | +/-0.4% | +/-$5,942 | +/-$2,605 | +/-$2,800 | +/-$2,034 |