West Alton is a city located in Missouri. With a 2020 population of 528, it is the 463rd largest city in Missouri and the 13071st largest city in the United States. West Alton is currently declining at a rate of -0.19% annually but its population has increased by 1.15% since the most recent census, which recorded a population of 522 in 2010. West Alton reached it's highest population of 531 in 2016. Spanning over 37 miles, West Alton has a population density of 18 people per square mile.
The average household income in West Alton is $66,179 with a poverty rate of 12.70%. The median rental costs in recent years comes to $883 per month, and the median house value is $95,000. The median age in West Alton is 43 years, 43.7 years for males, and 39.9 years for females. For every 100 females there are 134.8 males.