Dodge County is a county in the U.S. state of Nebraska. As of the 2020 United States Census, the population was 37,167. Its county seat is Fremont. The county was formed in 1855 and named after Iowa Senator Augustus C. Dodge. Dodge County comprises the Fremont, NE Micropolitan Statistical Area, which is also included in the Omaha-Council Bluffs-Fremont, NE-IA Combined Statistical Area. In the Nebraska license plate system, Dodge County is represented by the prefix 5.