There are 6 US Post Offices in Houston County serving a total of 24,757 residents equating to 4,126 residents per post office. It's estimated that approximately 39,515 packages are handled across the 6 county post offices annually. Houston County is a county located in the U.S. state of Texas. As of the 2010 census, the population was 23,732. Its county seat is Crockett. The county is named for Sam Houston, a president of the Republic of Texas and Governor of Texas. Houston County was one of forty-six prohibition or entirely dry counties in the state of Texas, until voters in a November 2007 special election legalized the sale of alcohol in the county. Houston County was the first new county created under the 9-year Republic of Texas on June 12, 1837. The original boundaries of Houston County also included all of present-day Anderson and Trinity Counties, and portions of present-day Henderson and Polk Counties. Houston County bears no relationship, save its namesake, with the City of Houston, which is located approximately 100 miles (160 km) to the south, in Harris County. A county historical museum is located in a former railroad depot at 303 S. First Street in Crockett."