"-5" . . "8.28796e+06"^^ . "255.118"^^ . . "Commissioners"@en . "859" . "5379"^^ . "8.4e+06"^^ . . . . "255.0"^^ . "Union is a city in Boone County, Kentucky, United States. The population was 5,379 in the 2010 Census. The area was rural until mass residential growth in 1990's and 2000's"@en . . "8.28796e+06"^^ . "Union, Kentucky"@en . "Mayor"@en . "41091" . . "8.4e+06"^^ . . "Proud Past, Promising Future!" . . "-4" . . "0.0"^^ .