The foundations of the original knife factory still remain, and were listed on the National Register of Historic Places in 1997.
Both Northfield Pond and the Knife Shop Dam are part of Humaston Brook State Park.
The village of Northfield has its own Postal Zip Code, 06778, but has no operating Post Office.
The Northfield Volunteer Fire Company has 37 active members, responding to more than 250 emergency calls per year.
There is a public basketball court that borders the school which is very popular with local residents.