The county of Jefferson is located in Iowa and was founded in 1839. There are 16,843 residents in Jefferson who have access to courthouses in Fairfield. In general, each county has a full set of courts, from traffic court to superior and appellate court; supreme courts are usually located in the state capital. Iowa is part of the 8th federal circuit court as well.
There are 9,464 residents in Fairfield, which is 6.4 square miles and 774ft above sea level. It was settled in May 14, 1875.