Yoakum is a city in Lavaca and DeWitt counties in the U.S. state of Texas. The population was 5,908 at the 2020 census.

Lavaca County is a county located in the U.S. state of Texas. As of the 2020 census, its population was 20,337. Its county seat is Hallettsville. The county was created in 1846. It is named for the Lavaca River, which curves its way southeast through Moulton and Hallettsville before reaching the coast at Matagorda Bay.