Alachua is a city in Alachua County, Florida, United States. The population was 6,098 at the 2000 census. According to the 2005 U.S. Census Bureau's estimates, the city grew rapidly to 7,557. Alachua apartments for rent comparison page shows most up to date rent information on Alachua apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.