Rush is a town in Monroe County, New York, United States. The population was 3,478 at the 2010 census.
The south and west town lines are the border of Livingston County. The north borders the town of Henrietta. The west borders the town of Wheatland, and the east borders the town of Mendon. Interstate 390 passes through the town.
According to the United States Census Bureau, the town has a total area of 30.7 square miles (80 km), of which, 30.5 square miles (79 km) of it is land and 0.2 square miles (0.52 km) of it (0.55%) is water.
As of the census of 2000, there were 3,603 people, 1,268 households, and 995 families residing in the town. The population density was 118.1 people per square mile (45.6/km²). There were 1,300 housing units at an average density of 42.6 per square mile (16.5/km²). The racial makeup of the town was 92.62% White, 4.94% African American, 0.36% Native American, 0.83% Asian, 0.44% from other races, and 0.80% from two or more races. Hispanic or Latino of any race were 1.97% of the population.
There were 1,268 households out of which 32.3% had children under the age of 18 living with them, 68.8% were married couples living together, 6.4% had a female householder with no husband present, and 21.5% were non-families. 15.9% of all households were made up of individuals and 5.9% had someone living alone who was 65 years of age or older. The average household size was 2.62 and the average family size was 2.94.
In the town, the population was spread out with 29.3% under the age of 18, 4.3% from 18 to 24, 26.9% from 25 to 44, 28.4% from 45 to 64, and 11.0% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 119.6 males. For every 100 females age 18 and over, there were 100.0 males.
The median income for a household in the town was $67,632, and the median income for a family was $73,269. Males had a median income of $48,802 versus $39,357 for females. The per capita income for the town was $27,174. About 0.8% of families and 0.5% of the population were below the poverty line, including 0.5% of those under age 18 and none of those age 65 or over.