Gladstone is a city located in Henderson County Illinois. With a 2020 population of 262, it is the 1059th largest city in Illinois and the 15785th largest city in the United States . Gladstone is currently declining at a rate of -0.38% annually and its population has decreased by -6.76% since the most recent census, which recorded a population of 281 in 2010. Gladstone reached it's highest population of in . Spanning over 0 miles, Gladstone has a population density of 728 people per square mile.
The average household income in Gladstone is $40,464 with a poverty rate of 12.37%. The median rental costs in recent years comes to $415 per month, and the median house value is $45,000. The median age in Gladstone is 46 years, 41.8 years for males, and 47.5 years for females.