Republic is a medium-sized city located in the state of Missouri. With a population of 19,728 people and three associated neighborhoods, Republic is the 38th largest community in Missouri.

The overall education level of Republic is somewhat higher than in the average US city of 21.84%: 26.74% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Republic in 2022 was $29,945, which is upper middle income relative to Missouri, and middle income relative to the rest of the US. This equates to an annual income of $119,780 for a family of four. However, Republic contains both very wealthy and poor people as well.

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

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