Iola is a city in Grimes County, Texas, United States on Farm Road 39 and the Burlington-Rock Island Railway, at the headwaters of Ragan Creek in northwest Grimes County. A July 1, 2009 U.S. Census Bureau estimate placed the population at 430.
On November 6, 2007, it became the fifth incorporated city in Grimes County after a residential vote.
Iola is located between Bryan and Huntsville.
The Iola Independent School District has two campuses - Iola High School (Grades 7-12) and Iola Elementary School (Grades PK-6).
NBA player Chris Andersen is from Iola and went to Iola High School.
Coordinates: 30°46′19″N 96°04′30″W / 30.77194°N 96.07500°W / 30.77194; -96.07500