Rienzi is a city located in Mississippi. With a 2020 population of 303, it is the 248th largest city in Mississippi and the 15294th largest city in the United States. Rienzi is currently declining at a rate of -0.33% annually and its population has decreased by -4.42% since the most recent census, which recorded a population of 317 in 2010. Rienzi reached it's highest population of 317 in 2010. Spanning over 1 miles, Rienzi has a population density of 306 people per square mile.
The average household income in Rienzi is $40,862 with a poverty rate of 16.23%. The median rental costs in recent years comes to $679 per month, and the median house value is $56,500. The median age in Rienzi is 53.1 years, 48.7 years for males, and 56.3 years for females. For every 100 females there are 92.5 males.