Fenton is a city located in Missouri. With a 2020 population of 4,028, it is the 160th largest city in Missouri and the 5380th largest city in the United States. Fenton is currently declining at a rate of -0.07% annually but its population has increased by 0.15% since the most recent census, which recorded a population of 4,022 in 2010. Fenton reached it's highest population of 4,360 in 2000. Spanning over 6 miles, Fenton has a population density of 650 people per square mile.
The average household income in Fenton is $112,754 with a poverty rate of 1.58%. The median rental costs in recent years comes to $1,081 per month, and the median house value is $261,900. The median age in Fenton is 45 years, 44.3 years for males, and 46.2 years for females. For every 100 females there are 95.9 males.