Clermont is a city located in Fayette County Iowa. With a 2020 population of 587, it is the 415th largest city in Iowa and the 12639th largest city in the United States . Clermont is currently growing at a rate of 0.34% annually but its population has decreased by -7.12% since the most recent census, which recorded a population of 632 in 2010. Clermont reached it's highest population of in . Spanning over 1 miles, Clermont has a population density of 478 people per square mile.
The average household income in Clermont is $60,657 with a poverty rate of 9.89%. The median rental costs in recent years comes to $515 per month, and the median house value is $108,400. The median age in Clermont is 49.7 years, 49.3 years for males, and 50.7 years for females.