Many people in Waterbury take advantage of public transportation to get around. In fact, for the size of the city, the number of people who use the bus to commute to work is quite high. This helps to fill a need among Waterbury citizens for affordable transportation.

In terms of college education, Waterbury is nearly on par with the US average for all cities of 21.84%: 17.13% of adults 25 and older in Waterbury have a bachelor's degree or advanced degree.

The per capita income in Waterbury in 2018 was $25,082, which is low income relative to Connecticut, and lower middle income relative to the rest of the US. This equates to an annual income of $100,328 for a family of four. However, Waterbury contains both very wealthy and poor people as well.

Waterbury is an extremely ethnically-diverse city. The people who call Waterbury home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Waterbury residents report their race to be White, followed by Black or African-American. Waterbury also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 36.65% of the city’s residents. Important ancestries of people in Waterbury include Italian, Irish, Jamaican, French, and English.

In addition, Waterbury has a lot of people living here who were born outside of the US (16.83%).

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