Damiansville is a city located in Illinois. With a 2020 population of 487, it is the 880th largest city in Illinois and the 13431st largest city in the United States . Damiansville is currently declining at a rate of -0.20% annually and its population has decreased by -0.81% since the most recent census, which recorded a population of 491 in 2010. Damiansville reached it's highest population of in . Spanning over 1 miles, Damiansville has a population density of 593 people per square mile.
The average household income in Damiansville is $81,769 with a poverty rate of 6.46%. The median rental costs in recent years comes to $1,110 per month, and the median house value is $163,400. The median age in Damiansville is 31.9 years, 31.2 years for males, and 35.8 years for females.