Madisonville is a city located in Hopkins County Kentucky. It is also the county seat of Hopkins County. With a 2020 population of 18,317, it is the 22nd largest city in Kentucky and the 1992nd largest city in the United States . Madisonville is currently declining at a rate of -0.82% annually and its population has decreased by -6.50% since the most recent census, which recorded a population of 19,591 in 2010. Madisonville reached it's highest population of 19,803 in 2010. Spanning over 19 miles, Madisonville has a population density of 1,031 people per square mile.
The average household income in Madisonville is $59,443 with a poverty rate of 22.40%. The median rental costs in recent years comes to $746 per month, and the median house value is $125,000. The median age in Madisonville is 36.3 years, 32.8 years for males, and 41.9 years for females.