Walker is a town in Livingston Parish, Louisiana, United States. The population was 4,801 at the 2000 census. It is part of the Baton Rouge Metropolitan Statistical Area. Originally Milton Old Field, it was founded by "Michael Milton". http://files.usgwarchives.net/la/livingston/history/town/walker.txt. in 1861.
Walker is located at 30°29′22″N 90°51′46″W / 30.48944°N 90.86278°W / 30.48944; -90.86278 (30.489423, -90.862872).
According to the United States Census Bureau, the town has a total area of 5.8 square miles (14.9 km²), all of it land.