Morton County (standard abbreviation: MT) is a county in the southwestern corner of the U.S. state of Kansas. As of the 2010 census, the county population was 3,233. The largest city and county seat is Elkhart.
According to the U.S. Census Bureau, the county has a total area of 730 square miles (1,900 km), of which 730 square miles (1,900 km) is land and 0.2 square miles (0.52 km) (0.03%) is water.
As of the census of 2000, there were 3,496 people, 1,306 households, and 961 families residing in the county. The population density was 5 people per square mile (2/km²). There were 1,519 housing units at an average density of 2 per square mile (1/km²). The racial makeup of the county was 88.39% White, 0.20% Black or African American, 1.14% Native American, 1.06% Asian, 7.52% from other races, and 1.69% from two or more races. 14.10% of the population were Hispanic or Latino of any race.
There were 1,306 households out of which 36.60% had children under the age of 18 living with them, 64.20% were married couples living together, 6.80% had a female householder with no husband present, and 26.40% were non-families. 24.30% of all households were made up of individuals and 9.20% had someone living alone who was 65 years of age or older. The average household size was 2.63 and the average family size was 3.15.
In the county, the population was spread out with 29.30% under the age of 18, 8.00% from 18 to 24, 27.20% from 25 to 44, 21.50% from 45 to 64, and 13.90% who were 65 years of age or older. The median age was 36 years. For every 100 females there were 94.40 males. For every 100 females age 18 and over, there were 93.70 males.
The median income for a household in the county was $37,232, and the median income for a family was $43,494. Males had a median income of $31,875 versus $19,474 for females. The per capita income for the county was $17,076. About 8.50% of families and 10.50% of the population were below the poverty line, including 14.00% of those under age 18 and 5.20% of those age 65 or over.