Arcata is a city, adjacent to Humboldt Bay, in Humboldt County, California, United States. The population was 16,651 during the 2000 Census. This quirky and socially progressive college town is home to both the Humboldt State University and the Humboldt Crabs, a successful semi-professional baseball team. Arcata apartments for rent comparison page shows most up to date rent information on Arcata apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.