To the west the CDP reaches to the east end of Meadow Road at New Hampshire Route 87.

[3] New Hampshire Route 85 passes through the center of the community as Main Street; it leads northeast 0.8 miles (1.3 km) to Route 108 and south 4 miles (6 km) to the center of Exeter.

According to the U.S. Census Bureau, the Newfields CDP has a total area of 0.39 square miles (1.0 km2), all land.

[4] As of the census of 2010, there were 301 people, 120 households, and 86 families residing in the CDP.

22.5% of all households were made up of individuals, and 5.8% were someone living alone who was 65 years of age or older.