Lyon is a city located in Mississippi. With a 2020 population of 273, it is the 254th largest city in Mississippi and the 15655th largest city in the United States. Lyon is currently declining at a rate of -3.87% annually and its population has decreased by -22.00% since the most recent census, which recorded a population of 350 in 2010. Lyon reached it's highest population of 350 in 2010. Spanning over 0 miles, Lyon has a population density of 587 people per square mile.
The average household income in Lyon is $68,242 with a poverty rate of 15.65%. The median rental costs in recent years comes to $630 per month, and the median house value is $136,100. The median age in Lyon is 47.5 years, 53.1 years for males, and 45.4 years for females. For every 100 females there are 81.0 males.