Zachary is located10 miles North of Baton Rouge and 70 miles Northwest of New Orleans, and is in East Baton Rouge Parish and a part of the Baton Rouge metro area. It was incorporated as a city in the year 1889.

Zachary residents are served by the Zachary Community School Board, a Community School System that separated from the East Baton Rouge Parish School System in 2003. The Zachary Community School district has been ranked first in the state for six consecutive years, making it a popular location for people looking to move to the outskirts of Baton Rouge proper. Zachary has a city operated recreation park for youth and other parks operated by BREC (Baton Rouge Recreation and Park Commission). The city of Zachary also has a state of the art medical hospital, Lane Regional Medical Center, along with well trained and equipped police and fire departments. The city has a Class 2 fire insurance rating, which helps to keep property insurance rates low. The Zachary Branch Library, which is over 20,000 square feet, offers over 77,000 items and free programs year around for both children and adults. Zachary, Louisiana was listed as one of the Top 10 Best Towns for Families in America by Family Circle Magazine in 2012, and ranked one of the Top 5 Best Towns for Young Families in Louisiana by NerdWallet in 2013.