Mertzon is a city in and the county seat of Irion County, Texas, United States. The population was 781 at the 2010 census. It is part of the San Angelo, Texas, Metropolitan Statistical Area.
Location of Mertzon, Texas
|Coordinates: 31°15′36″N 100°49′15″W|
The City of Mertzon is served by the Irion County Independent School District and home to the Irion County High School Hornets.