Belleville is a city located in Kansas. With a 2020 population of 1,899, it is the 122nd largest city in Kansas and the 7793rd largest city in the United States. Belleville is currently growing at a rate of 0.32% annually but its population has decreased by -4.62% since the most recent census, which recorded a population of 1,991 in 2010. Belleville reached it's highest population of 1,973 in 2010. Spanning over 2 miles, Belleville has a population density of 928 people per square mile.
The average household income in Belleville is $52,207 with a poverty rate of 12.68%. The median rental costs in recent years comes to $511 per month, and the median house value is $66,900. The median age in Belleville is 50.8 years, 45.2 years for males, and 54.8 years for females. For every 100 females there are 88.6 males.