Alliance is a medium-sized city located in the state of Ohio. With a population of 21,414 people and seven associated neighborhoods, Alliance is the 81st largest community in Ohio. Alliance has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

The percentage of adults in Alliance who are college-educated is close to the national average for all communities of 21.84%: 18.05% of the adults in Alliance have a bachelor's degree or advanced degree.

The per capita income in Alliance in 2022 was $25,559, which is lower middle income relative to Ohio and the nation. This equates to an annual income of $102,236 for a family of four. However, Alliance contains both very wealthy and poor people as well.

Alliance is a somewhat ethnically-diverse city. The people who call Alliance home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Alliance residents report their race to be White, followed by Black or African-American. Important ancestries of people in Alliance include German, Irish, Italian, English, and European.

The most common language spoken in Alliance is English. Other important languages spoken here include Spanish and Langs. of India.