Walnut Grove is a city located in Alabama. With a 2020 population of 691, it is the 303rd largest city in Alabama and the 11947th largest city in the United States. Walnut Grove is currently growing at a rate of 0.14% annually but its population has decreased by -1.00% since the most recent census, which recorded a population of 698 in 2010. Walnut Grove reached it's highest population of 697 in 2011. Spanning over 5 miles, Walnut Grove has a population density of 137 people per square mile.
The average household income in Walnut Grove is $49,443 with a poverty rate of 12.32%. The median rental costs in recent years comes to $543 per month, and the median house value is $79,100. The median age in Walnut Grove is 39.7 years, 40.3 years for males, and 39.6 years for females. For every 100 females there are 91.8 males.