There are 2 US Post Offices in Yoakum County serving a total of 8,501 residents equating to 4,251 residents per post office. It's estimated that approximately 13,569 packages are handled across the 2 county post offices annually. Yoakum County is a county located in the far western portion of the U.S. state of Texas. As of the 2010 census, the population was 7,879. Its county seat is Plains. The county was created in 1876 and later organized in 1907. It is named for Henderson King Yoakum, a Texas historian. Until the passage of a liquor sales referendum held on May 11, 2013, Yoakum had been one of nineteen remaining prohibition or entirely dry counties within the state of Texas. Voters in Denver City also approved a separate referendum to permit liquor sales within that community. In 1965, Recorded Texas Historic Landmark Number 5927 was placed at the county courthouse, acknowledging the creation of the county in 1876. Until after 1900, the county contained primarily nomadic buffalo hunters and a few scattered ranchers. Yoakum County was organized in 1907, and the population increased to 602 because of the sale of state land deeds."