This city in Atascosa County laid out in the 1910s is part of the San Antonio metro area and it was named for the daughter of developer Charles Simmons. With an estimated population of more than 1750 residents, this municipality is elevated more than 540 feet above sea level with a territory with a wagon wheel shape. The economy of this community under the zip code 78011 is not very stable or successful reporting a $9750 of per capita income and a median household income of $24800, which is way under the national median household income calculated back in 2000.