Baylor County is a county located in the US state of Texas. As of the 2010 census, its the population was 3,726. There were 1,791 households, of which 25.2% had children under the age of 18 residing in them, 53.5% were married couples living together, 8.2% had a female householder with no husband present, and 35.4% were classified as non-families by the U.S. Census Bureau. There were 26 unmarried heterosexual couples and no reported same-sex couples.