Sesser is a city located in Franklin County Illinois. With a 2020 population of 1,840, it is the 504th largest city in Illinois and the 7933rd largest city in the United States . Sesser is currently declining at a rate of -0.54% annually and its population has decreased by -4.71% since the most recent census, which recorded a population of 1,931 in 2010. Sesser reached it's highest population of in . Spanning over 1 miles, Sesser has a population density of 1,805 people per square mile.
The average household income in Sesser is $56,612 with a poverty rate of 14.84%. The median rental costs in recent years comes to $700 per month, and the median house value is $76,600. The median age in Sesser is 44.9 years, 43.9 years for males, and 45.5 years for females.