Coconino County contains Grand Canyon National Park, the Havasupai Nation, and parts of the Navajo Nation, Hualapai Nation, and Hopi Nation. It takes its name from Cosnino, a name applied to the Havasupai.
Coconino County was the setting for George Herriman's early 20th century Krazy Kat comic strip.
Coconino County has a relatively large Native American population at nearly 30% of the county's total population, being mostly Navajo with smaller numbers of Havasupai, Hopi, and others.
As of the census of 2000, there were 116,320 people, 40,448 households, and 26,938 families residing in the county. The population density was 6 people per square mile (2/km²). There were 53,443 housing units at an average density of 3 per square mile (1/km²). The racial makeup of the county was 63.09% White, 28.51% Native American, 1.04% Black or African American, 0.78% Asian, 0.09% Pacific Islander, 4.13% from other races, and 2.36% from two or more races. 10.94% of the population were Hispanic or Latino of any race. 18.59% reported speaking Navajo at home, while 6.58% speak Spanish [1].
There were 40,448 households out of which 34.90% had children under the age of 18 living with them, 49.70% were married couples living together, 12.20% had a female householder with no husband present, and 33.40% were non-families. 22.10% of all households were made up of individuals and 4.50% had someone living alone who was 65 years of age or older. The average household size was 2.80 and the average family size was 3.36.
In the county the population was spread out with 28.70% under the age of 18, 14.40% from 18 to 24, 29.20% from 25 to 44, 20.70% from 45 to 64, and 7.00% who were 65 years of age or older. The median age was 30 years. For every 100 females there were 99.70 males. For every 100 females age 18 and over, there were 97.20 males.
The median income for a household in the county was $38,256, and the median income for a family was $45,873. Males had a median income of $32,226 versus $25,055 for females. The per capita income for the county was $17,139. About 13.10% of families and 18.20% of the population were below the poverty line, including 22.30% of those under age 18 and 13.30% of those age 65 or over.
Grand Canyon National Park Airport is a public airport located in the county.
The Mountain Line provides public transportation bus service in the Flagstaff area.