Archuleta County is one of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 12,084. The county seat and the only incorporated municipality in the county is Pagosa Springs.
According to the U.S. Census Bureau, the county has a total area of 1,356 square miles (3,510 km), of which 1,350 square miles (3,500 km) is land and 5.3 square miles (14 km) (0.4%) is water.
As of the census of 2000, there were 9,898 people, 3,980 households, and 2,873 families residing in the county. The population density was 7 people per square mile (3/km²). There were 6,212 housing units at an average density of 5 per square mile (2/km²). The racial makeup of the county was 88.33% White, 0.35% Black or African American, 1.40% Native American, 0.31% Asian, 0.03% Pacific Islander, 6.97% from other races, and 2.60% from two or more races. 16.76% of the population were Hispanic or Latino of any race.
There were 3,980 households out of which 31.60% had children under the age of 18 living with them, 59.80% were married couples living together, 8.20% had a female householder with no husband present, and 27.80% were non-families. 22.10% of all households were made up of individuals and 6.00% had someone living alone who was 65 years of age or older. The average household size was 2.47 and the average family size was 2.89.
In the county, the population was spread out with 25.30% under the age of 18, 6.30% from 18 to 24, 26.10% from 25 to 44, 30.40% from 45 to 64, and 11.90% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 102.70 males. For every 100 females age 18 and over, there were 99.50 males.
The median income for a household in the county was $37,901, and the median income for a family was $43,259. Males had a median income of $29,521 versus $21,851 for females. The per capita income for the county was $21,683. About 9.00% of families and 11.70% of the population were below the poverty line, including 13.00% of those under age 18 and 6.60% of those age 65 or over.
Archuleta County Colorado neighborhoods include: 4 Mile Rd, Alpha-Rockridge, Hatcher, Hersch Ave, Holiday Acres, Hwy 160-Log Hill Road, Lake Forest, Lake Pagosa, Pagosa Heights, Pinon Hills Ranch, San Juan River Village, Timber Ridge, Twincreek Village, Upper Piedra Road, Woodsman/Sandlewood