Winnebago is a city located in Winnebago County Illinois. Winnebago has a 2020 population of 5,010. Winnebago is currently declining at a rate of -0.50% annually and its population has decreased by -5.26% since the most recent census, which recorded a population of 5,288 in 2010. Winnebago reached it's highest population of 5,288 in 2010.
The average household income in Winnebago is $94,128 with a poverty rate of 8.91%. The median rental costs in recent years comes to $897 per month, and the median house value is $155,100. The median age in Winnebago is 47.1 years, 45 years for males, and 49.5 years for females.