Colorado’s state capital city of Denver is home to zip code 80109. Douglas County is the primary location of zip code 80109. CASTLE ROCK, Colorado is the area code for 80109 assigned by the US Postal Service. Parts of zip code 80109 are located inside or close to the boundaries of the cities of Castle Rock, Sedalia, and Castle Pines. Area codes 303 and 720 are shared by zip code 80109. Compared to other zipcodes in Colorado, the socioeconomic classification of 80109 is Middle Class.

The current unemployment rate in 80109 is 2.7%, which is lower than the county’s current rate of 2.8%, the state’s current rate of 3.2%, and the current rate of 3.9% for the entire country.

White people make up the majority of both the population in 80109 and the students enrolled in its public schools. In the public schools serving the 80109 zip code, 11.9 percent of students are either eligible for or get free or reduced lunch.