 falls city is a city in karnes county, texas, united states. the population was 591 at the 2000 census. falls city is near the location of a uranium tailings disposal cell, completed in 1994 under the terms of the 1978 uranium mill tailings radiation control act. the early settlers, predominately polish-catholics founded the holy trinity catholic church in 1902. ==geography== falls city is located about  southeast of san antonio on the left (north) bank of the san antonio river at  (28.9807, -98.0196).{{cite web|url=http://www.census.gov/geo/www/gazet
Cities_in_Texas