The township of Westfield was formed in 1794. The first railroad line through Westfield was established in 1838. The first newspaper "The Townsman" followed in 1875 and by 1895 electric, telephone, water and sewer services were available.

Today the town of Westfield's population is 30,141 with a land mass of 6.7 square miles. That's a population density of 4,477 people per square mile.

There are 408 teachers for 5,656 students. The student to teacher ratio is 13.9 to 1 and the student to librarian ratio is 565 to 1. Ninety-six point three percent of the residents are high school graduates and 68.7% are college graduates.

The average age is 38.2. The median income is $102,711. The average income for households with children is $173,118. Sixty eight point one percent of the residents are married and 40.4% of the residents have children.

The township also has 10 houses of worship.