Population
Greater Than 6000

Castle Rock-80108 (22,153)
Castle Rock-80109 (14,880)
Castle Rock-80104 (28,378)
Franktown-80116 (6,129)
Littleton-80125 (11,176)
Littleton-80163 (34,427)
Littleton-80126 (34,427)
Littleton-80129 (29,086)
Littleton-80130 (26,404)
Littleton-80124 (17,972)
Louviers-80131 (29,086)
Parker-80138 (33,613)
Parker-80134 (51,518)

Population
Between 6000 and 1000

Buffalo Creek-80425 (5,320)
Larkspur-80118 (5,229)
Sedalia-80135 (5,320)

Population
Less than 1000