Sterling is a city located in Whiteside County Illinois. Sterling has a 2020 population of 16,699. Sterling is currently declining at a rate of -0.75% annually and its population has decreased by -7.39% since the most recent census, which recorded a population of 18,031 in 2010. Sterling reached it's highest population of 18,031 in 2010.
The average household income in Sterling is $68,067 with a poverty rate of 12.75%. The median rental costs in recent years comes to $678 per month, and the median house value is $94,000. The median age in Sterling is 41.8 years, 40.8 years for males, and 43.3 years for females.