Lima (/ˈlaɪmə/, the name is a shibboleth) is a town in Livingston County, New York, U.S. The population was 4,305 at the 2010 census.
According to the United States Census Bureau, the town has a total area of 31.9 square miles (82.7 km²), of which, 31.9 square miles (82.6 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.13%) is water.
The north town line is the border of Monroe County, and the east town line is the border of Ontario County.
Honeoye Creek defines the east town line.
New York State Route 5 (in part, Avon-Lima Road and East Main Street) conjoined with US Route 20 is a major east-west highway. New York State Route 15A, a north-south highway, intersects NY-5/US-20 in Lima village.
As of the census of 2000, there were 4,541 people, 1,553 households, and 1,102 families residing in the town. The population density was 142.4 people per square mile (55.0/km²). There were 1,610 housing units at an average density of 50.5 per square mile (19.5/km²). The racial makeup of the town was 96.87% White, 1.04% Black or African American, 0.29% Native American, 0.44% Asian, 0.07% Pacific Islander, 0.33% from other races, and 0.97% from two or more races. Hispanic or Latino of any race were 1.26% of the population.
There were 1,553 households out of which 35.0% had children under the age of 18 living with them, 57.8% were married couples living together, 9.0% had a female householder with no husband present, and 29.0% were non-families. 24.2% of all households were made up of individuals and 9.0% had someone living alone who was 65 years of age or older. The average household size was 2.59 and the average family size was 3.10.
In the town, the population was spread out with 23.8% under the age of 18, 13.2% from 18 to 24, 28.8% from 25 to 44, 24.0% from 45 to 64, and 10.3% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 96.5 males. For every 100 females age 18 and over, there were 95.2 males.
The median income for a household in the town was $48,774, and the median income for a family was $57,127. Males had a median income of $40,607 versus $26,316 for females. The per capita income for the town was $18,972. About 2.7% of families and 4.5% of the population were below the poverty line, including 4.0% of those under age 18 and 6.0% of those age 65 or over.