There are 12 US Post Offices in Matagorda County serving a total of 37,035 residents equating to 3,086 residents per post office. It's estimated that approximately 59,112 packages are handled across the 12 county post offices annually. Matagorda County (/\u02c8m\u00e6t\u0259\u02c8\u0261\u0254\u0259rd\u0259/) is a county located in the U.S. state of Texas. As of the 2010 census, the population was 36,702. Its county seat is Bay City, not to be confused with the larger Baytown in Harris and Chambers Counties. Matagorda County is named for the canebrakes that once grew along the coast (matagorda is a Spanish word meaning \"thick bush\"). Matagorda County comprises the Bay City, TX Micropolitan Statistical Area, which is also included in the Houston-The Woodlands, TX Combined Statistical Area."