There are 8 US Post Offices in Milam County serving a total of 24,886 residents equating to 3,111 residents per post office. It's estimated that approximately 39,721 packages are handled across the 8 county post offices annually. Milam County is a county located in the U.S. state of Texas. As of the 2010 census, its population was 24,757. The county seat is Cameron. The county was created in 1834 as a municipality in Mexico and organized as a county in 1837. Milam County is named for Benjamin Rush Milam (pronounced \"MY-lum\"), an early settler and a soldier in the Texas Revolution."