The Town of Greece is in the northern part of the county and borders the City of Rochester on the east, the town of Gates on the south, the towns of Parma and Ogden on the west, and Lake Ontario on the north. The town is a contiguous suburb of Rochester. The area known as Charlotte, on the eastern border, was formerly part of the town until it was annexed by the City of Rochester in 1916.
As of the census of 2000, there were 94,141 people, 36,995 households, and 25,748 families residing in the town. The population density was 1,985.0 people per square mile (766.4/km²). There were 38,315 housing units at an average density of 807.9/sq mi (311.9/km²). The racial makeup of the town was 93.37% White, 2.88% Black or African American, 0.24% Native American, 1.49% Asian, 0.03% Pacific Islander, 0.87% from other races, and 1.12% from two or more races. Hispanic or Latino of any race were 2.55% of the population.
There were 36,995 households out of which 32.5% had children under the age of 18 living with them, 55.6% were married couples living together, 10.4% had a female householder with no husband present, and 30.4% were non-families. 25.6% of all households were made up of individuals and 11.1% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.05.
In the town the population was spread out with 25.0% under the age of 18, 7.0% from 18 to 24, 28.4% from 25 to 44, 24.2% from 45 to 64, and 15.3% who were 65 years of age or older. The median age was 39 years. For every 100 females there were 92.3 males. For every 100 females age 18 and over, there were 88.1 males.
The median income for a household in the town was $48,355, and the median income for a family was $57,102. Males had a median income of $41,563 versus $29,864 for females. The per capita income for the town was $22,614. About 3.6% of families and 4.8% of the population were below the poverty line, including 6.3% of those under age 18 and 5.5% of those age 65 or over.