Winfield is a city located in Marion County Alabama. With a 2020 population of 4,469, it is the 111th largest city in Alabama and the 5087th largest city in the United States . Winfield is currently declining at a rate of -0.56% annually and its population has decreased by -5.26% since the most recent census, which recorded a population of 4,717 in 2010. Winfield reached it's highest population of 4,740 in 2011. Spanning over 18 miles, Winfield has a population density of 251 people per square mile.
The average household income in Winfield is $65,663 with a poverty rate of 14.24%. The median rental costs in recent years comes to $496 per month, and the median house value is $126,400. The median age in Winfield is 37.7 years, 34.4 years for males, and 39.8 years for females.