Fairfield is a city located in Alabama. With a 2020 population of 10,450, it is the 61st largest city in Alabama and the 3001st largest city in the United States. Fairfield is currently declining at a rate of -0.82% annually and its population has decreased by -6.00% 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 3,012 people per square mile.
The average household income in Fairfield is $45,653 with a poverty rate of 23.39%. The median rental costs in recent years comes to $720 per month, and the median house value is $97,700. The median age in Fairfield is 36.7 years, 34.6 years for males, and 40.6 years for females. For every 100 females there are 70.9 males.