Douglas City is an unincorporated town located in Trinity County, California with a population of 714. Nearby towns and cities include Lewiston, Junction City, Weaverville, Hayfork, Big Bar, Whiskeytown, French Gulch, and Igo. The ZIP Code is 96024. The community is inside area code 530. The town was named after Stephen Douglas after he won the 1858 Illinois Debates.