Milton Mills is a census-designated place

Census-designated place

A census-designated place is a concentration of population identified by the United States Census Bureau for statistical purposes. CDPs are delineated for each decennial census as the statistical counterparts of incorporated places such as cities, towns and villages...

 in the town of Milton

Milton, New Hampshire

Milton is a town in Strafford County, New Hampshire, United States. The population was 4,598 at the 2010 census. A manufacturing, resort and residential town, Milton includes the village of Milton Mills...

 in Strafford County, New Hampshire

Strafford County, New Hampshire

-Demographics:As of the census of 2000, there were 112,233 people, 42,581 households, and 27,762 families residing in the county. The population density was 304 people per square mile . There were 45,539 housing units at an average density of 124 per square mile...

. It had a population of 299 at the 2010 census.

The village is located in the northern part of the town of Milton, adjacent to the Salmon Falls River

Salmon Falls River

The Salmon Falls River is a tributary of the Piscataqua River in the U.S. states of Maine and New Hampshire. It rises at Great East Lake and flows south-southeast for approximately , forming the border between Maine and New Hampshire....

, which forms the border between New Hampshire and Maine

Maine

Maine is a state in the New England region of the northeastern United States, bordered by the Atlantic Ocean to the east and south, New Hampshire to the west, and the Canadian provinces of Quebec to the northwest and New Brunswick to the northeast. Maine is both the northernmost and easternmost...

. Applebee Road leads southwest to New Hampshire Route 125

New Hampshire Route 125

New Hampshire Route 125 is a long north–south state highway in Rockingham and Strafford counties in southeastern New Hampshire. It runs from Plaistow to just north of Milton...

 and the center of Milton, Willey Road leads northwest to the town of Wakefield

Wakefield, New Hampshire

Wakefield is a town in Carroll County, New Hampshire, United States. The population was 5,078 at the 2010 census. The town includes the villages of Wakefield Corner , East Wakefield, North Wakefield, Sanbornville, Union, Woodman and Province Lake...

, Milton Mills Road leads east to Maine Route 109 in the town of Acton, Maine

Acton, Maine

Acton is a town in York County, Maine, United States. The population was 2,145 at the 2000 census. It includes the villages of Acton, Miller Corner and South Acton. The town is home to the Acton Fairground, which holds the Acton Fair every late summer...

, and Foxes Ridge Road leads southeast to Lebanon, Maine

Lebanon, Maine

Lebanon is a town in York County, Maine, United States. The population was 5,083 at the 2000 census. Lebanon includes the villages of Center Lebanon, West Lebanon, North Lebanon, South Lebanon and East Lebanon. It is part of the Portland–South Portland–Biddeford, Maine metropolitan...

, and U.S. Route 202

U.S. Route 202

U.S. Route 202 is a highway stretching from Delaware to Maine, also passing through the states of Pennsylvania, New Jersey, New York, Connecticut, Massachusetts, and New Hampshire....

.

Milton Mills has a separate ZIP code

ZIP Code

ZIP codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the...

(03852) from the rest of the town of Milton.