Locke is a town in Cayuga County, New York, United States. The population was 1,951 at the 2010 census. The town was named after John Locke, an English philosopher, and is the birthplace of Millard Fillmore, 13th President of the United States.
According to the United States Census Bureau, the town has a total area of 24.4 square miles (63.2 km), of which 24.3 square miles (63.0 km) is land and 0.12 square miles (0.3 km), or 0.43%, is water.
North-south New York State Route 38 intersects east-west New York State Route 90 in Locke village.
The Owasco Inlet is a stream flowing northward through the town into Owasco Lake. Hemlock Creek joins the Owasco Inlet at Locke village. The town is in the Finger Lakes region of New York.
As of the census of 2000, there are 1,900 people, 704 households, and 539 families residing in the town. The population density is 77.9 people per square mile (30.1/km²). There are 760 housing units at an average density of 31.1 per square mile (12.0/km²). The racial makeup of the town is 98.26% White, 0.26% African American, 0.42% Native American, 0.42% Asian, and 0.63% from two or more races. 0.42% of the population are Hispanic or Latino of any race.
There are 704 households out of which 39.3% have children under the age of 18 living with them, 58.8% are married couples living together, 10.1% have a female householder with no husband present, and 23.3% are non-families. 17.6% of all households are made up of individuals and 6.1% have someone living alone who is 65 years of age or older. The average household size is 2.70 and the average family size is 3.00.
In the town, the population is spread out with 28.2% under the age of 18, 8.4% from 18 to 24, 29.0% from 25 to 44, 24.5% from 45 to 64, and 9.9% who are 65 years of age or older. The median age is 36 years. For every 100 females, there are 100.0 males. For every 100 females age 18 and over, there are 100.6 males.
The median income for a household in the town is $37,885, and the median income for a family is $41,250. Males have a median income of $28,793 versus $22,188 for females. The per capita income for the town is $16,580. 8.9% of the population and 7.0% of families are below the poverty line. Out of the total population, 10.8% of those under the age of 18 and 2.2% of those 65 and older are living below the poverty line.