Cortland County is a county located in the U.S. state of New York. As of the 2010 census, the population of Cortland County was 49,336. The county seat is Cortland. The county is named after Pierre Van Cortlandt, president of the convention at Kingston that wrote the first New York State Constitution in 1777, and first lieutenant governor of the state.
According to the U.S. Census Bureau, the county has a total area of 502 square miles (1,300 km), of which 499 square miles (1,290 km) is land and 2.8 square miles (7.3 km) (0.5%) is water.
Cortland County is sometimes considered to be part of Central New York and Southern Tier regions of New York and is also somewhat to the southwest of the center of New York, south of Syracuse and north of Binghamton.
As of the census of 2000, there were 48,599 people, 18,210 households, and 11,617 families residing in the county. The population density was 97 people per square mile (38/km²). There were 20,116 housing units at an average density of 40 per square mile (16/km²). The racial makeup of the county was 96.95% White, 0.86% Black or African American, 0.27% Native American, 0.41% Asian, 0.01% Pacific Islander, 0.32% from other races, and 1.18% from two or more races. 1.16% of the population were Hispanic or Latino of any race. 17.3% were of English, 16.9% Irish, 14.2% German, 13.0% Italian and 9.9% American ancestry according to Census 2000. 96.0% spoke English and 1.4% Spanish as their first language.
There were 18,210 households out of which 31.00% had children under the age of 18 living with them, 49.20% were married couples living together, 10.30% had a female householder with no husband present, and 36.20% were non-families. 26.50% of all households were made up of individuals and 10.40% had someone living alone who was 65 years of age or older. The average household size was 2.50 and the average family size was 3.00.
In the county, the population was spread out with 23.70% under the age of 18, 15.50% from 18 to 24, 26.50% from 25 to 44, 21.80% from 45 to 64, and 12.50% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 93.50 males. For every 100 females age 18 and over, there were 90.00 males.
The median income for a household in the county was $34,364, and the median income for a family was $42,204. Males had a median income of $30,814 versus $22,166 for females. The per capita income for the county was $16,622. About 9.30% of families and 15.50% of the population were below the poverty line, including 16.40% of those under age 18 and 10.80% of those age 65 or over.
As of 2014 the largest self-reported ancestry groups in Cortland County, New York were:
As of 2015 the largest self-reported ancestry groups in Cortland County, New York were:
As of 2016 the largest self-reported ancestry groups in Cortland County, New York were: