Fremont County is one of the 64 counties in the U.S. state of Colorado. As of the 2010 census, the population was 46,824. The county seat is Cañon City. The county is named for explorer and presidential candidate John C. Frémont.
According to the U.S. Census Bureau, the county has a total area of 1,534 square miles (3,970 km), of which 1,533 square miles (3,970 km) is land and 0.9 square miles (2.3 km) (0.06%) is water.
As of the census of 2000, there were 46,145 people, 15,232 households, and 10,494 families residing in the county. The population density was 30 people per square mile (12/km²). There were 17,145 housing units at an average density of 11 per square mile (4/km²). The racial makeup of the county was 89.52% White, 5.34% Black or African American, 1.53% Native American, 0.50% Asian, 0.06% Pacific Islander, 1.22% from other races, and 1.82% from two or more races. 10.35% of the population were Hispanic or Latino of any race.
There were 15,232 households out of which 30.00% had children under the age of 18 living with them, 56.30% were married couples living together, 9.20% had a female householder with no husband present, and 31.10% were non-families. 26.90% of all households were made up of individuals and 12.50% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.93.
In the county, the population was spread out with 20.60% under the age of 18, 7.50% from 18 to 24, 33.40% from 25 to 44, 24.00% from 45 to 64, and 14.60% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 133.90 males. For every 100 females age 18 and over, there were 143.50 males.
The median income for a household in the county was $34,150, and the median income for a family was $42,303. Males had a median income of $30,428 versus $23,112 for females. The per capita income for the county was $17,420. About 8.30% of families and 11.70% of the population were below the poverty line, including 14.80% of those under age 18 and 7.40% of those age 65 or over.