Ohlman is a city located in Montgomery County Illinois. With a 2020 population of 124, it is the 1219th largest city in Illinois and the 17917th largest city in the United States . Ohlman is currently declining at a rate of -0.80% annually and its population has decreased by -8.15% since the most recent census, which recorded a population of 135 in 2010. Ohlman reached it's highest population of in . Spanning over 0 miles, Ohlman has a population density of 351 people per square mile.
The average household income in Ohlman is $59,594 with a poverty rate of 6.56%. The median rental costs in recent years comes to - per month, and the median house value is $86,000. The median age in Ohlman is 53.5 years, 55.5 years for males, and 50.7 years for females.