Marble Hill is a city located in Bollinger County Missouri. It is also the county seat of Bollinger County. With a 2020 population of 1,450, it is the 286th largest city in Missouri and the 8837th largest city in the United States . Marble Hill is currently declining at a rate of -0.48% annually and its population has decreased by -1.83% since the most recent census, which recorded a population of 1,477 in 2010. Spanning over 2 miles, Marble Hill has a population density of 876 people per square mile.
The average household income in Marble Hill is $45,483 with a poverty rate of 22.54%. The median rental costs in recent years comes to $546 per month, and the median house value is $83,700. The median age in Marble Hill is 35.8 years, 34.8 years for males, and 37.5 years for females.