Concord is a village in Dixon County, Nebraska, United States. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. The population was 166 at the 2010 census. Concord was platted in 1883 soon after the Chicago, St. Paul, Minneapolis and Omaha Railway was extended to that point. Its name commemorates the Battle of Concord of the America…Concord is a village in Dixon County, Nebraska, United States. It is part of the Sioux City, IA–NE–SD Metropolitan Statistical Area. The population was 166 at the 2010 census. Concord was platted in 1883 soon after the Chicago, St. Paul, Minneapolis and Omaha Railway was extended to that point. Its name commemorates the Battle of Concord of the American Revolutionary War.