Union is a city located in Mississippi. With a 2020 population of 1,898, it is the 106th largest city in Mississippi and the 7795th largest city in the United States. Union is currently declining at a rate of -0.68% annually and its population has decreased by -4.53% since the most recent census, which recorded a population of 1,988 in 2010. Union reached it's highest population of 1,983 in 2010. Spanning over 3 miles, Union has a population density of 554 people per square mile.
The average household income in Union is $51,745 with a poverty rate of 29.49%. The median rental costs in recent years comes to $569 per month, and the median house value is $82,300. The median age in Union is 38.4 years, 34.6 years for males, and 43.3 years for females. For every 100 females there are 95.2 males.