Solvay is a village located in the town of Geddes, Onondaga County, New York, and a suburb of the city of Syracuse. According to the 2010 census, the village had a total population of 6,584. The village is named after the Solvay brothers, Belgian inventors of the chemical process employed by the Solvay Process Company, formerly the major industry of the village.
Solvay is located at 43°3′26″N 76°12′53″W / 43.05722°N 76.21472°W / 43.05722; -76.21472 (43.057316, -76.214649), immediately west of Syracuse and south of the New York State Fairgrounds (far westside). Its eastern boundary is shared with Syracuse. The village is south of the east end of Onondaga Lake and is also south of Interstate 690. The Erie Canal passes through the village.
According to the United States Census Bureau, the village has a total area of 1.6 square miles (4.1 km), all of it land.
As of the census of 2000, there were 6,844 people, 3,030 households, and 1,766 families residing in the village. The population density was 4,164.6 people per square mile (1,611.5/km²). There were 3,291 housing units at an average density of 2,002.3 per square mile (774.8/km²). The racial makeup of the village was 95.81% White, 0.67% African American, 1.02% Native American, 0.39% Asian, 0.06% Pacific Islander, 0.29% from other races, and 1.75% from two or more races. Hispanic or Latino of any race were 2.37% of the population.
There were 3,030 households out of which 26.8% had children under the age of 18 living with them, 39.4% were married couples living together, 14.4% had a female householder with no husband present, and 41.7% were non-families. 35.9% of all households were made up of individuals and 16.1% had someone living alone who was 65 years of age or older. The average household size was 2.26 and the average family size was 2.94.
In the village, the population was spread out with 23.3% under the age of 18, 8.5% from 18 to 24, 27.7% from 25 to 44, 20.6% from 45 to 64, and 20.0% who were 65 years of age or older. The median age was 38 years. For every 100 females, there were 85.9 males. For every 100 females age 18 and over, there were 82.5 males.
The median income for a household in the village was $34,084, and the median income for a family was $40,057. Males had a median income of $34,045 versus $23,822 for females. The per capita income for the village was $19,441. About 10.6% of families and 12.0% of the population were below the poverty line, including 20.2% of those under age 18 and 7.3% of those age 65 or over.