Marianna is a somewhat small city located in the state of Florida. With a population of 7,975 people and three associated neighborhoods, Marianna is the 263rd largest community in Florida.

Being a small city, Marianna does not have a public transit system used by locals to get to and from work.

The citizens of Marianna are slightly less educated than the national average of 21.84% for the average city or town: 14.65% of adults in Marianna have a bachelor's degree or advanced degree

The per capita income in Marianna in 2022 was $19,989, which is low income relative to Florida and the nation. This equates to an annual income of $79,956 for a family of four.

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

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