Mount Vernon is a somewhat small city located in the state of Illinois. With a population of 14,284 people and seven associated neighborhoods, Mount Vernon is the 165th largest community in Illinois.

Compared to the rest of the country, citizens of Mount Vernon spend much less time in their cars: on average, their commute to work is only 15.10 minutes. This also means that noise and pollution levels in the city are less than they would otherwise be.

The education level of Mount Vernon citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 19.46% of adults 25 and older in Mount Vernon have a college degree.

The per capita income in Mount Vernon in 2018 was $28,788, which is lower middle income relative to Illinois and the nation. This equates to an annual income of $115,152 for a family of four. However, Mount Vernon contains both very wealthy and poor people as well.

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

The most common language spoken in Mount Vernon is English. Other important languages spoken here include Polish and Spanish.