| ZIP Code | 03857 |
| City | Newmarket |
| State | New Hampshire (NH) |
| County | Newmarket County |
| Coordinates | 43.0726000, -70.9553000 |
| Population | 12,093 |
| Median Household Income | $101,600 |
| Median Home Value | $365,000 |
| Unemployment Rate | 13.7% |
| ZIP Type | STANDARD |
| Country | United States |
03857 is a mid-sized ZIP code covering Newmarket in New Hampshire, the United States. This area falls under Newmarket County County.
Around 12,093 people live in the 03857 ZIP code area. It's a quieter, less populous area than the typical New Hampshire ZIP code (avg. ~21,821).
Median household income is about $101,600 (above the New Hampshire average).
Nearby communities in New Hampshire include Groveton, Milford, East Hampstead.
The ZIP code for Newmarket, New Hampshire is 03857.
03857 is located in Newmarket County County, New Hampshire.
The population of 03857 (Newmarket) is approximately 12,093 people.
03857 is less populated than the typical New Hampshire ZIP code, which averages around 21,821 people.
ZIP code codes near 03857 include 03582, 03055, 03826.