Oklahoma Cimarron County Public Libraries

By | January 1, 2023

We are providing a comprehensive directory of public libraries in Cimarron County, Oklahoma. This list includes library formal name, street address, postal code, phone number and how many books are available. Check the following list to see all public libraries in Oklahoma Cimarron County.

Street Address: 102 S. Ellis, Boise City, OK 73933
Phone Number: (580) 544-2715 Cimarron 6,983 7,532

Street Address: 102 S. Ellis, Boise City, OK 73933
Phone Number: (580) 544-2715 Cimarron N/A N/A

Overview of Cimarron County, Oklahoma

Cimarron County is a county located in the state of Oklahoma. As of 2000, the population is 3,148. Its county seat is Boise City.


This is the only county in the United States that borders on four states: Colorado, Kansas, New Mexico, and Texas. According to the U.S. Census Bureau, the county has a total area of 4,769 km² (1,841 mi²). 4,753 km² (1,835 mi²) of it is land and 16 km² (6 mi²) of it is water. The total area is 0.33% water.

Adjacent counties

  • Baca County, Colorado (north)
  • Morton County, Kansas (northeast)
  • Texas County, Oklahoma (east)
  • Sherman County, Texas (southeast)
  • Dallam County, Texas (south)
  • Union County, New Mexico (west)


As of the census of 2000, there are 3,148 people, 1,257 households, and 868 families residing in the county. The population density is 1/km² (2/mi²). There are 1,583 housing units at an average density of 0/km² (1/mi²). The racial makeup of the county is 85.77% White, 0.57% Black or African American, 1.02% Native American, 0.16% Asian, 0.00% Pacific Islander, 9.94% from other races, and 2.54% from two or more races. 15.41% of the population are Hispanic or Latino of any race.

There are 1,257 households out of which 31.30% have children under the age of 18 living with them, 60.40% are married couples living together, 6.00% have a female householder with no husband present, and 30.90% are non-families. 29.30% of all households are made up of individuals and 15.50% have someone living alone who is 65 years of age or older. The average household size is 2.47 and the average family size is 3.07.

In the county, the population is spread out with 27.60% under the age of 18, 6.40% from 18 to 24, 23.40% from 25 to 44, 24.00% from 45 to 64, and 18.60% who are 65 years of age or older. The median age is 39 years. For every 100 females there are 97.40 males. For every 100 females age 18 and over, there are 95.30 males.

The median income for a household in the county is $30,625, and the median income for a family is $36,250. Males have a median income of $24,327 versus $18,110 for females. The per capita income for the county is $15,744. 17.60% of the population and 13.90% of families are below the poverty line. Out of the total population, 22.20% of those under the age of 18 and 10.10% of those 65 and older are living below the poverty line.

Cities and towns

  • Boise City
  • Keyes