DeKalb is a city located in Illinois. DeKalb has a 2020 population of 45,953. DeKalb is currently growing at a rate of 0.37% annually but its population has decreased by -1.73% since the most recent census, which recorded a population of 46,764 in 2010. DeKalb reached it's highest population of 46,764 in 2010.
The average household income in DeKalb is $62,262 with a poverty rate of 27.80%. The median rental costs in recent years comes to $896 per month, and the median house value is $156,600. The median age in DeKalb is 25.2 years, 25.1 years for males, and 25.2 years for females.