Comparison to Surrounding Areas
The median household income ($100,845) for 03857 is less than 03885 ($151,998), 03042 ($104,220), 03801 ($106,756), 03824 ($124,056), 03840 ($162,837), 03856 ($197,885), 03861 ($131,579), and Rockingham County ($118,331). And it's the same as Newmarket town ($100,845).
| 03857 | $100,845 |
| Newmarket town | $100,845 |
| Rockingham County | $118,331 |
Get Median Household Income for all Zip Codes in New Hampshire.
The average household income ($122,515) for 03857 is less than 03885 ($175,310), 03042 ($145,481), 03801 ($146,878), 03824 ($151,002), 03840 ($203,461), 03856 ($215,745), 03861 ($167,910), and Rockingham County ($149,721). And it's the same as Newmarket town ($122,515).
| 03857 | $122,515 |
| Newmarket town | $122,515 |
| Rockingham County | $149,721 |
Get Average Household Income for all Zip Codes in New Hampshire.
The per-capita income for 03857 is $58,507. The per capita income ($58,507) for 03857 is less than the per capita income for 03840 ($83,889), 03042 ($63,098), 03801 ($72,576), 03885 ($69,523), 03856 ($72,498), 03861 ($66,562), and Rockingham County ($61,558). But it's more than 03824 ($36,807). And it's the same as Newmarket town ($58,507).
| 03857 | $58,507 |
| Newmarket town | $58,507 |
| Rockingham County | $61,558 |
Get Per-Capita Income for all Zip Codes in New Hampshire.
15.3% of households make over $200,000 a year. The percent high income households (15.3%) for 03857 is less than 03885 (33.8%), 03042 (18.3%), 03801 (21.5%), 03824 (28.5%), 03840 (32.8%), 03856 (48.3%), 03861 (27.5%), and Rockingham County (23.0%). And it's the same as Newmarket town (15.3%).
| 03857 | 15.3% |
| Newmarket town | 15.3% |
| Rockingham County | 23.0% |
Get High Income Households for all Zip Codes in New Hampshire.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 03857 | $-1 | $120,233 | $123,047 | $63,897 |
| Newmarket town | $-1 | $120,233 | $123,047 | $63,897 |
| Rockingham County | $76,842 | $140,591 | $139,917 | $75,258 |
Get Median Household Income by Age of Householder for all Zip Codes in New Hampshire.
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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 03857 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+ | |||||
| 03857 | +/-$13,234 | +/-$11,064 | +/-$5,285 | +/-3.8% | +/-$-1 | +/-$15,043 | +/-$22,786 | +/-$9,790 |
| Newmarket town | +/-$13,234 | +/-$11,064 | +/-$5,285 | +/-3.8% | +/-$-1 | +/-$15,043 | +/-$22,786 | +/-$9,790 |
| Rockingham County | +/-$2,820 | +/-$2,968 | +/-$1,159 | +/-0.9% | +/-$19,932 | +/-$3,926 | +/-$4,045 | +/-$2,701 |