Union is a very small town located in the state of Mississippi. With a population of 2,003 people and two associated neighborhoods, Union is the 118th largest community in Mississippi.

As is often the case in a small town, Union doesn't have a public transportation system that people use for their commute.

In terms of college education, the citizens of Union rank slightly lower than the national average. 15.12% of adults 25 and older in Union have a bachelor's degree or advanced degree, while 21.84% of adults have a 4-year degree or higher in the average American community.

The per capita income in Union in 2022 was $20,552, which is lower middle income relative to Mississippi, and low income relative to the rest of the US. This equates to an annual income of $82,208 for a family of four. However, Union contains both very wealthy and poor people as well. Union also has one of the higher rates of people living in poverty in the nation, with 31.73% of its population below the federal poverty line.

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

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