Cairo is a city located in Allen County Ohio. With a 2020 population of 513, it is the 669th largest city in Ohio and the 13201st largest city in the United States . Cairo is currently declining at a rate of -0.97% annually and its population has decreased by -2.10% since the most recent census, which recorded a population of 524 in 2010. Cairo reached it's highest population of 554 in 2011. Spanning over 0 miles, Cairo has a population density of 1,852 people per square mile.
The average household income in Cairo is $67,156 with a poverty rate of 15.23%. The median rental costs in recent years comes to $668 per month, and the median house value is $96,100. The median age in Cairo is 37.7 years, 31.4 years for males, and 39.5 years for females.