The Town of Cincinnatus is in the eastern part of the county and is east of the City of Cortland.
The town was first settled around 1795. It was one of the original six town of Cortland County. The town was formed from the Town of Solon in 1804. In 1818, Cincinnatus was split so that part of its territory was used to create the Towns of Freetown, Willet, and Marathon.
The east town line is the border of Chenango County.
The Otselic River valley is central to the town.jhyyhhf
New York State Route 26 is a north-south highway in Cincinnatus, which conjoins New York State Route 41 near the town center. New York State Route 23 intersects NY-26 south of Cincinnatus village.
There were 418 households out of which 29.4% had children under the age of 18 living with them, 56.2% were married couples living together, 8.9% had a female householder with no husband present, and 32.3% were non-families. 26.1% of all households were made up of individuals and 14.6% had someone living alone who was 65 years of age or older. The average household size was 2.46 and the average family size was 2.98.
In the town the population was spread out with 25.2% under the age of 18, 6.4% from 18 to 24, 27.2% from 25 to 44, 26.8% from 45 to 64, and 14.4% who were 65 years of age or older. The median age was 40 years. For every 100 females there were 90.7 males. For every 100 females age 18 and over, there were 95.0 males.
The median income for a household in the town was $37,014, and the median income for a family was $44,375. Males had a median income of $27,222 versus $21,304 for females. The per capita income for the town was $18,345. About 4.5% of families and 7.3% of the population were below the poverty line, including 6.3% of those under age 18 and 7.8% of those age 65 or over.