Plymouth is a somewhat small city located in the state of Indiana. With a population of 10,705 people and five associated neighborhoods, Plymouth is the 82nd largest community in Indiana.

The education level of Plymouth citizens, measured as those with bachelor's degrees or advanced degrees, is similar to the national average for all American cities and towns. 18.13% of adults 25 and older in Plymouth have a college degree.

The per capita income in Plymouth in 2018 was $26,797, which is lower middle income relative to Indiana and the nation. This equates to an annual income of $107,188 for a family of four. However, Plymouth contains both very wealthy and poor people as well.

Plymouth is a very ethnically-diverse city. The people who call Plymouth home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Plymouth residents report their race to be White, followed by Black or African-American. Plymouth also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 27.53% of the city’s residents. Important ancestries of people in Plymouth include German, Irish, English, Polish, and Scots-Irish.

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