Arcata is a city adjacent to the Arcata Bay (northern) portion of Humboldt Bay in Humboldt County, California, United States. At the 2010 census, Arcata's population was 17,231. This college town, located 280 miles (450 km) north of San Francisco (via Highway 101), is home to Humboldt State University.
In the past, Arcata has been notably progressive in its political makeup, and was the first city in the United States to elect a majority of its city council members from the Green Party. As a result of the progressive majority, Arcata capped the number of chain restaurants allowed in the city. Arcata was also the first municipality to ban the growth of any type of Genetically Modified Organism within city limits, with exceptions for research and educational purposes.
According to the United States Census Bureau, the city has a total area of 11.0 square miles (28.5 km2), of which 9.1 square miles (23.6 km2) is land and 1.9 square miles (4.9 km2) (17.25%) is water.