The county of Onslow is located in North Carolina and was founded in 1739. There are 177,772 residents in Onslow who have access to courthouses in Jacksonville. 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. North Carolina is part of the 4th federal circuit court as well.
There are 70,145 residents in Jacksonville, which is 45.2 square miles and 15ft above sea level. It was settled in 1757 and is governed by a local government.