Cibolo is a city in Guadalupe and Bexar counties in Texas, United States. It is part of the San Antonio–New Braunfels metropolitan statistical area. Cibolo voted to become an independent township on October 9, 1965. Cibolo is in a region settled primarily by German emigrants in the mid-1800s. As of the 2020 census, Cibolo had a population of 32,276, up from 15,349 at the 2010 census.