Oswego is a medium-sized city located in the state of New York. With a population of 17,150 people and nine associated neighborhoods, Oswego is the 110th largest community in New York. Oswego has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

The overall education level of Oswego is somewhat higher than in the average US city of 21.84%: 27.81% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Oswego in 2022 was $30,310, which is lower middle income relative to New York, and middle income relative to the rest of the US. This equates to an annual income of $121,240 for a family of four. However, Oswego contains both very wealthy and poor people as well.

The people who call Oswego home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Oswego residents report their race to be White, followed by Asian. Important ancestries of people in Oswego include Irish, Italian, German, English, and Polish.

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