Douglas is a city in Cochise County, Arizona, United States. Douglas has a border crossing with Mexico and a history of mining.
The population was 14,312 at the 2000 census. According to 2008 Census Bureau estimates, the population of the city is 20,316.
Douglas is located at 31°20′42″N 109°32′29″W / 31.345°N 109.54139°W / 31.345; -109.54139 (31.344911, -109.541376).