Tilden is a city located in Randolph County Illinois. With a 2020 population of 859, it is the 700th largest city in Illinois and the 10958th largest city in the United States . Tilden is currently declining at a rate of -1.26% annually and its population has decreased by -8.03% since the most recent census, which recorded a population of 934 in 2010. Tilden reached it's highest population of in . Spanning over 1 miles, Tilden has a population density of 881 people per square mile.
The average household income in Tilden is $54,440 with a poverty rate of 21.15%. The median rental costs in recent years comes to $635 per month, and the median house value is $64,800. The median age in Tilden is 39.6 years, 37.6 years for males, and 45.1 years for females.