According to theU.S. Census Bureau, the county has a total area of 2,369 square miles (6,140 km2), of which 2,364 square miles (6,120 km2) is land and 4.3 square miles (11 km2) (0.2%) is water.[3]
The point where theArikaree River flows out of Yuma County and intoCheyenne County,Kansas is the lowest point in the State of Colorado at 1,010 meters (3,310 feet) elevation. This crossing point is the highest low point of anyU.S. state.[4]
As of the2020 census, the county had a population of 9,988. Of the residents, 26.7% were under the age of 18 and 18.3% were 65 years of age or older; the median age was 38.0 years. For every 100 females there were 101.5 males, and for every 100 females age 18 and over there were 102.1 males. 0.0% of residents lived in urban areas and 100.0% lived in rural areas.[10][11]
Yuma County, Colorado – Racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race.
There were 3,852 households in the county, of which 33.9% had children under the age of 18 living with them and 21.8% had a female householder with no spouse or partner present. About 27.7% of all households were made up of individuals and 13.8% had someone living alone who was 65 years of age or older.[11]
There were 4,315 housing units, of which 10.7% were vacant. Among occupied housing units, 69.1% were owner-occupied and 30.9% were renter-occupied. The homeowner vacancy rate was 1.4% and the rental vacancy rate was 8.7%.[11]
At the2000 census there were 9,841 people, 3,800 households, and 2,644 families living in the county. The population density was 4 people per square mile (1.5 people/km2). There were 4,295 housing units at an average density of 2 units per square mile (0.77 units/km2). Theracial makeup of the county was 94.17% White, 0.11% Black or African American, 0.28% Native American, 0.07% Asian, 0.02% Pacific Islander, 4.14% from other races, and 1.21% from two or more races. 12.88% of the population were Hispanic or Latino of any race.[16]Of the 3,800 households 33.30% had children under the age of 18 living with them, 59.60% were married couples living together, 6.80% had a female householder with no husband present, and 30.40% were non-families. 27.40% of households were one person and 13.30% were one person aged 65 or older. The average household size was 2.55 and the average family size was 3.13.
The age distribution was 28.30% under the age of 18, 7.10% from 18 to 24, 26.00% from 25 to 44, 22.30% from 45 to 64, and 16.30% 65 or older. The median age was 37 years. For every 100 females there were 96.80 males. For every 100 females age 18 and over, there were 94.90 males.
The median household income was $33,169 and the median family income was $39,814. Males had a median income of $26,124 versus $18,578 for females. The per capita income for the county was $16,005. About 8.80% of families and 12.90% of the population were below thepoverty line, including 15.50% of those under age 18 and 10.70% of those age 65 or over.
As all on the High Plains, Yuma County is a Republican Party stronghold in presidential elections. Only nine presidential elections from 1892 to the present day have seen the county fail to back the Republican candidate, the most recent being 1964 duringLyndon B. Johnson's statewide & national landslide.
United States presidential election results for Yuma County, Colorado[17]
