Solvay is a somewhat small village located in the state of New York. With a population of 6,495 people and two associated neighborhoods, Solvay is the 264th largest community in New York. Solvay has an unusually large stock of pre-World War II architecture, making it one of the older and more historic villages.

The citizens of Solvay are slightly better educated than the national average of 21.84% for all cities and towns, with 24.03% of adults in Solvay having a bachelor's degree or advanced degree.

The per capita income in Solvay in 2022 was $38,983, which is middle income relative to New York, and upper middle income relative to the rest of the US. This equates to an annual income of $155,932 for a family of four. However, Solvay contains both very wealthy and poor people as well.

Solvay is a somewhat ethnically-diverse village. The people who call Solvay home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Solvay residents report their race to be White, followed by Black or African-American. Solvay also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 11.38% of the village’s residents. Important ancestries of people in Solvay include Italian, Irish, German, Polish, and Ukrainian.

Solvay also has a high percentage of its population that was born in another country: 20.55%.

The most common language spoken in Solvay is English. Other important languages spoken here include Spanish and Arabic.