There are 1 US Post Offices in Schleicher County serving a total of 3,377 residents equating to 3,377 residents per post office. It's estimated that approximately 5,390 packages are handled across the 1 county post offices annually. Schleicher County is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2010 census, its population was 3,461. Its county seat is Eldorado. The county was created in 1887 and organized in 1901. It is named for Gustav Schleicher, a German immigrant who became a surveyor and politician. Schleicher County is home to the YFZ Ranch, the reported new headquarters of the FLDS movement headed by Warren Jeffs.