COUNTY ORGANIZED: 1846

COUNTY NAMED FOR: The Lavaca River

COUNTY SEATS: Two - Petersburg and Hallettsville, Texas.

COUNTY SEAT NAMED FOR: John and Margaret Hallett, one of the first families to settle in the area.

COURTHOUSES: Five - 1847, 1850, 1852, 1875, and 1897

STANDING: One - 1897 Romanesque Revival courthouse built of stone.