About 03561 - Littleton, New Hampshire
The ZIP code 03561 of Littleton falls within New Hampshire, the United States - a mid-sized area by population. It sits within Littleton County County.
Around 37,039 people live in the 03561 ZIP code area. That's noticeably above the average for a New Hampshire ZIP code, which sits near 21,821 people.
Median household income is about $79,400 (near the New Hampshire average).
This ZIP code sits alongside neighboring areas like Groveton, Milford, East Hampstead within New Hampshire.