Clay City is a city located in Indiana. With a 2020 population of 818, it is the 336th largest city in Indiana and the 11187th largest city in the United States. Clay City is currently declining at a rate of -0.37% annually and its population has decreased by -4.99% since the most recent census, which recorded a population of 861 in 2010. Clay City reached it's highest population of 854 in 2010. Spanning over 1 miles, Clay City has a population density of 1,518 people per square mile.
The average household income in Clay City is $43,290 with a poverty rate of 13.25%. The median rental costs in recent years comes to $574 per month, and the median house value is $68,000. The median age in Clay City is 40.8 years, 36.2 years for males, and 44.6 years for females. For every 100 females there are 90.7 males.