Havana is a city located in Mason County Illinois. Havana has a 2020 population of 4,265. It is also the county seat of Mason County. Havana is currently declining at a rate of -1.32% annually and its population has decreased by -11.35% since the most recent census, which recorded a population of 4,811 in 2010. Havana reached it's highest population of 4,811 in 2010.
The average household income in Havana is $55,495 with a poverty rate of 16.19%. The median rental costs in recent years comes to $661 per month, and the median house value is $78,400. The median age in Havana is 44.7 years, 43.9 years for males, and 45.4 years for females.