Northfield is a village in Summit County, Ohio, United States. The population was 3,677 at the 2010 census. It is part of the Akron Metropolitan Statistical Area.
A post office called Northfield has been in operation since 1837. Some say the name is a transfer from Northfield, Massachusetts, while others believe the town site's location in the northern part of Summit County caused the name to be selected.
Northfield is located at 41°20′31″N 81°31′51″W (41.341978, -81.530957).
According to the United States Census Bureau, the village has a total area of 1.08 square miles (2.80 km2), all land.
As of the census of 2010, there were 3,677 people, 1,545 households, and 992 families living in the village. The population density was 3,404.6 inhabitants per square mile (1,314.5/km2). There were 1,644 housing units at an average density of 1,522.2 per square mile (587.7/km2). The racial makeup of the village was 85.6% White, 5.8% African American, 0.2% Native American, 5.3% Asian, 0.7% from other races, and 2.3% from two or more races. Hispanic or Latino of any race were 1.7% of the population.
There were 1,545 households, of which 30.7% had children under the age of 18 living with them, 43.7% were married couples living together, 15.7% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 35.8% were non-families.