Berlin is a somewhat small city located in the state of Wisconsin. With a population of 5,592 people and two associated neighborhoods, Berlin is the 147th largest community in Wisconsin. Berlin has an unusually large stock of pre-World War II architecture, making it one of the older and more historic cities.

In terms of college education, Berlin is nearly on par with the US average for all cities of 21.84%: 19.37% of adults 25 and older in Berlin have a bachelor's degree or advanced degree.

The per capita income in Berlin in 2022 was $28,153, which is low income relative to Wisconsin, and lower middle income relative to the rest of the US. This equates to an annual income of $112,612 for a family of four. However, Berlin contains both very wealthy and poor people as well.

Berlin is a somewhat ethnically-diverse city. The people who call Berlin home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Berlin residents report their race to be White, followed by Native Hawaiian. Berlin also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 11.20% of the city’s residents. Important ancestries of people in Berlin include German, Polish, Irish, English, and Italian.

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