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 a large stock of pre-World War II architecture, making it one of the older and more historic villages in the country.

The population of Solvay overall has a level of education that is slightly above the US average for all US cities and towns of 21.84%. Of adults 25 and older in Solvay, 24.03% have at least a bachelor's 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.

Foreign born people are also an important part of Solvay's cultural character, accounting for 20.55% of the village’s population.

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