Okmulgee is a somewhat small city located in the state of Oklahoma. With a population of 11,402 people and four associated neighborhoods, Okmulgee is the 41st largest community in Oklahoma.

The percentage of adults in Okmulgee with college degrees is slightly lower than the national average of 21.84% for all communities. 13.14% of adults in Okmulgee have a bachelor's degree or advanced degree.

The per capita income in Okmulgee in 2022 was $23,834, which is lower middle income relative to Oklahoma, and low income relative to the rest of the US. This equates to an annual income of $95,336 for a family of four. However, Okmulgee contains both very wealthy and poor people as well.

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

The most common language spoken in Okmulgee is English. Other important languages spoken here include Native American languages and Spanish.