Troy is a city located in Madison County Illinois. Troy has a 2020 population of 48,048. Troy is currently growing at a rate of 0.29% annually and its population has increased by 4.46% since the most recent census, which recorded a population of 45,997 in 2010. Troy reached it's highest population of 48,048 in 2021.
The average household income in Troy is $102,468 with a poverty rate of 5.58%. The median rental costs in recent years comes to $1,412 per month, and the median house value is $206,800. The median age in Troy is 40.2 years, 38.5 years for males, and 41.4 years for females.