Carthage is a somewhat small city located in the state of Texas. With a population of 6,562 people and four associated neighborhoods, Carthage is the 319th largest community in Texas.

The citizens of Carthage are slightly less educated than the national average of 21.84% for the average city or town: 14.56% of adults in Carthage have a bachelor's degree or advanced degree

The per capita income in Carthage in 2022 was $33,110, which is upper middle income relative to Texas, and middle income relative to the rest of the US. This equates to an annual income of $132,440 for a family of four. However, Carthage contains both very wealthy and poor people as well.

Carthage is an extremely ethnically-diverse city. The people who call Carthage home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Carthage residents report their race to be White, followed by Black or African-American. Carthage also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 16.80% of the city’s residents. Important ancestries of people in Carthage include German, Irish, French, English, and Italian.

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