Fairfield is a city located in Jefferson County Alabama. With a 2020 population of 10,414, it is the 61st largest city in Alabama and the 3008th largest city in the United States . Fairfield is currently declining at a rate of -0.73% annually and its population has decreased by -6.32% since the most recent census, which recorded a population of 11,117 in 2010. Fairfield reached it's highest population of 15,816 in 1960. Spanning over 3 miles, Fairfield has a population density of 3,001 people per square mile.
The average household income in Fairfield is $45,002 with a poverty rate of 21.79%. The median rental costs in recent years comes to $754 per month, and the median house value is $99,100. The median age in Fairfield is 37.2 years, 36.8 years for males, and 39.4 years for females.