Jacksonville is a somewhat small city located in the state of Texas. With a population of 14,215 people and five associated neighborhoods, Jacksonville is the 201st largest community in Texas.

The citizens of Jacksonville are slightly better educated than the national average of 21.84% for all cities and towns, with 21.24% of adults in Jacksonville having a bachelor's degree or advanced degree.

The per capita income in Jacksonville in 2022 was $20,924, which is low income relative to Texas and the nation. This equates to an annual income of $83,696 for a family of four. However, Jacksonville contains both very wealthy and poor people as well.

Jacksonville is an extremely ethnically-diverse city. The people who call Jacksonville home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Jacksonville residents report their race to be White, followed by Black or African-American. Jacksonville also has a sizeable Hispanic population (people of Hispanic origin can be of any race). People of Hispanic or Latino origin account for 39.29% of the city’s residents. Important ancestries of people in Jacksonville include German, Irish, English, Italian, and Scots-Irish.

Foreign born people are also an important part of Jacksonville's cultural character, accounting for 16.02% of the city’s population.

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