Comparison to Surrounding Areas
The median household income ($227,813) for 02421 is less than the median household income for 02420 ($245,031) and Lexington town ($238,444). But it's more than 02478 ($183,137), 01730 ($172,400), 01731 ($104,688), 01773 ($209,327), 02451 ($122,335), 02452 ($118,431), 02476 ($151,131), and Middlesex County ($130,847).
| 02421 | $227,813 |
| Lexington town | $238,444 |
| Middlesex County | $130,847 |
Get Median Household Income for all Zip Codes in Massachusetts.
The average household income ($294,354) for 02421 is less than the average household income for 01773 ($322,472), 02420 ($333,248), and Lexington town ($311,976). But it's more than 02451 ($159,258), 01730 ($231,895), 01731 ($110,147), 02478 ($246,939), 02452 ($145,132), 02476 ($222,337), and Middlesex County ($178,070).
| 02421 | $294,354 |
| Lexington town | $311,976 |
| Middlesex County | $178,070 |
Get Average Household Income for all Zip Codes in Massachusetts.
The per-capita income for 02421 is $112,662. The per capita income ($112,662) for 02421 is less than the per capita income for 01773 ($134,930), 02420 ($117,095), and Lexington town ($114,758). But it's more than 02451 ($67,455), 01730 ($93,430), 01731 ($36,720), 02478 ($95,484), 02452 ($52,042), 02476 ($97,683), and Middlesex County ($69,556).
| 02421 | $112,662 |
| Lexington town | $114,758 |
| Middlesex County | $69,556 |
Get Per-Capita Income for all Zip Codes in Massachusetts.
52.7% of households make over $200,000 a year. The percent high income households (52.7%) for 02421 is less than the percent high income households for 01773 (54.2%), 02420 (60.7%), and Lexington town (56.3%). But it's more than 02451 (28.5%), 01730 (44.6%), 01731 (8.4%), 02478 (47.1%), 02452 (25.9%), 02476 (36.7%), and Middlesex County (31.1%).
| 02421 | 52.7% |
| Lexington town | 56.3% |
| 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 | |
|---|---|---|---|---|
| 02421 | $-1 | $250,001 | $250,001 | $133,984 |
| Lexington town | $-1 | $250,001 | $250,001 | $151,667 |
| 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 02421 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+ | |||||
| 02421 | +/-$31,387 | +/-$21,251 | +/-$7,714 | +/-4.3% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$38,298 |
| Lexington town | +/-$17,708 | +/-$16,682 | +/-$6,064 | +/-3.4% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$28,359 |
| Middlesex County | +/-$1,164 | +/-$1,505 | +/-$581 | +/-0.4% | +/-$5,942 | +/-$2,605 | +/-$2,800 | +/-$2,034 |