 reagan county is a county located on the edwards plateau in the u.s. state of texas. as of the 2010 census, its population was 3,367. the county seat is big lake. the county is named in honor of john henninger reagan (1818-1905), who served as postmaster general of the confederate states of america and also as a u.s. senator, u.s. representative, and first chairman of the railroad commission of texas. ==history== *first inhabitants paleo-indian, suma-jumano, kiowa and comanche. *1650 captains hernÃ¡n martÃ­n and diego del castillo explore the region. *1684 juan domÃ­nguez de mendoza and nicolÃ¡s lÃ³pez report on local indians. *1858 -1861 butterfield overland mail crosses the center of t
1903_establishments_in_Texas Reagan_County,_Texas Texas_counties