Cotton Valley is a city located in Louisiana. With a 2020 population of 914, it is the 176th largest city in Louisiana and the 10693rd largest city in the United States. Cotton Valley is currently declining at a rate of -1.30% annually and its population has decreased by -9.42% since the most recent census, which recorded a population of 1,009 in 2010. Cotton Valley reached it's highest population of 1,009 in 2010. Spanning over 3 miles, Cotton Valley has a population density of 347 people per square mile.
The average household income in Cotton Valley is $29,904 with a poverty rate of 51.11%. The median rental costs in recent years comes to $328 per month, and the median house value is $45,300. The median age in Cotton Valley is 35.6 years, 35.1 years for males, and 38.5 years for females. For every 100 females there are 104.1 males.