Rochelle is a city located in Ogle County Illinois. With a 2020 population of 8,996, it is the 233rd largest city in Illinois and the 3326th largest city in the United States . Rochelle is currently declining at a rate of -0.31% annually and its population has decreased by -6.04% since the most recent census, which recorded a population of 9,574 in 2010. Rochelle reached it's highest population of 9,577 in 2011. Spanning over 13 miles, Rochelle has a population density of 685 people per square mile.
The average household income in Rochelle is $59,236 with a poverty rate of 7.99%. The median rental costs in recent years comes to $782 per month, and the median house value is $114,500. The median age in Rochelle is 36.1 years, 34.6 years for males, and 37.6 years for females.