Comparison to Surrounding Areas
The median household income ($115,598) for 01431 is less than the median household income for 01430 ($118,683), 01474 ($136,371), and Middlesex County ($130,847). But it's more than 01420 ($72,780), 01462 ($112,992), 03048 ($90,451), and 03071 ($110,507). And it's the same as Ashby town ($115,598).
| 01431 | $115,598 |
| Ashby town | $115,598 |
| Middlesex County | $130,847 |
Get Median Household Income for all Zip Codes in Massachusetts.
The average household income ($146,173) for 01431 is less than the average household income for Middlesex County ($178,070). But it's more than 01420 ($92,098), 01430 ($126,917), 01462 ($133,275), 01474 ($141,272), 03048 ($104,576), and 03071 ($127,788). And it's the same as Ashby town ($146,173).
| 01431 | $146,173 |
| Ashby town | $146,173 |
| Middlesex County | $178,070 |
Get Average Household Income for all Zip Codes in Massachusetts.
The per-capita income for 01431 is $57,840. The per capita income ($57,840) for 01431 is less than the per capita income for Middlesex County ($69,556). But it's more than 01420 ($37,232), 01430 ($46,020), 01462 ($53,479), 01474 ($47,993), 03048 ($44,420), and 03071 ($43,229). And it's the same as Ashby town ($57,840).
| 01431 | $57,840 |
| Ashby town | $57,840 |
| Middlesex County | $69,556 |
Get Per-Capita Income for all Zip Codes in Massachusetts.
19.5% of households make over $200,000 a year. The percent high income households (19.5%) for 01431 is less than the percent high income households for 01474 (24.2%) and Middlesex County (31.1%). But it's more than 01420 (7.9%), 01430 (19.1%), 01462 (16.6%), 03048 (7.6%), and 03071 (16.3%). And it's the same as Ashby town (19.5%).
| 01431 | 19.5% |
| Ashby town | 19.5% |
| 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 | |
|---|---|---|---|---|
| 01431 | $-1 | $116,071 | $145,813 | $81,000 |
| Ashby town | $-1 | $116,071 | $145,813 | $81,000 |
| 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 01431 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+ | |||||
| 01431 | +/-$9,187 | +/-$16,409 | +/-$7,241 | +/-4.9% | +/-$-1 | +/-$12,601 | +/-$30,516 | +/-$18,692 |
| Ashby town | +/-$9,187 | +/-$16,409 | +/-$7,241 | +/-4.9% | +/-$-1 | +/-$12,601 | +/-$30,516 | +/-$18,692 |
| Middlesex County | +/-$1,164 | +/-$1,505 | +/-$581 | +/-0.4% | +/-$5,942 | +/-$2,605 | +/-$2,800 | +/-$2,034 |