Rockford is a larger medium-sized city located in the state of Illinois. With a population of 147,711 people and 57 constituent neighborhoods, Rockford is the fifth largest community in Illinois.

The population of Rockford 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 Rockford, 22.22% have at least a bachelor's degree.

The per capita income in Rockford in 2018 was $27,186, which is lower middle income relative to Illinois, and middle income relative to the rest of the US. This equates to an annual income of $108,744 for a family of four. However, Rockford contains both very wealthy and poor people as well.

Rockford is an extremely ethnically-diverse city. The people who call Rockford home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Rockford residents report their race to be White, followed by Black or African-American. Rockford also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 18.83% of the city’s residents. Important ancestries of people in Rockford include German, Irish, Swedish, Italian, and English.

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