Niles is a city located in Cook County Illinois. Niles has a 2020 population of 101,531. Niles is currently declining at a rate of -0.68% annually and its population has decreased by -4.20% since the most recent census, which recorded a population of 105,982 in 2010. Niles reached it's highest population of 106,819 in 2013.
The average household income in Niles is $103,499 with a poverty rate of 8.41%. The median rental costs in recent years comes to $1,328 per month, and the median house value is $322,900. The median age in Niles is 45.8 years, 44 years for males, and 47.4 years for females.