Joy is a city located in Mercer County Illinois. With a 2020 population of 372, it is the 962nd largest city in Illinois and the 14534th largest city in the United States . Joy is currently declining at a rate of -1.33% annually and its population has decreased by -10.79% since the most recent census, which recorded a population of 417 in 2010. Joy reached it's highest population of in . Spanning over 0 miles, Joy has a population density of 870 people per square mile.
The average household income in Joy is $50,392 with a poverty rate of 12.93%. The median rental costs in recent years comes to $713 per month, and the median house value is $64,800. The median age in Joy is 39.9 years, 33.7 years for males, and 42.5 years for females.