Colp is a city located in Williamson County Illinois. With a 2020 population of 204, it is the 1124th largest city in Illinois and the 16629th largest city in the United States . Colp is currently declining at a rate of -1.45% annually and its population has decreased by -9.33% since the most recent census, which recorded a population of 225 in 2010. Colp reached it's highest population of in . Spanning over 0 miles, Colp has a population density of 1,521 people per square mile.
The average household income in Colp is $32,662 with a poverty rate of 47.93%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Colp is 36.1 years, 34.7 years for males, and 36.3 years for females.