Cameron is a city in Milam County, Texas, United States. The population was 5,770 at the 2010 census. It is the county seat of Milam County.GeographyCameron is located at . It is situated at the junction of U.S. Highways 77 and 190, approximately 71 miles northeast of Austin in north central Milam County.According to the United States Census Bureau, the city has a total area of 4.2sqmi, all land.