Post is a very small city located in the state of Texas. With a population of 3,486 people and three associated neighborhoods, Post is the 393rd largest community in Texas.

Post is a small city, and as such doesn't have a public transit system that people use to get to and from their jobs every day.

The population of Post has a very low overall level of education: only 7.97% of people over 25 hold a 4-year college degree or higher.

The per capita income in Post in 2022 was $15,859, which is low income relative to Texas and the nation. This equates to an annual income of $63,436 for a family of four. However, Post contains both very wealthy and poor people as well.

Post is an extremely ethnically-diverse city. The people who call Post home describe themselves as belonging to a variety of racial and ethnic groups. People of Hispanic or Latino origin are the most prevalent group in Post, accounting for 57.95% of the city’s residents (people of Hispanic or Latino origin can be of any race). The greatest number of Post residents report their race to be White, followed by Black or African-American. Important ancestries of people in Post include English, German, Irish, Dutch, and Italian.

Foreign born people are also an important part of Post's cultural character, accounting for 19.77% of the city’s population.

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