Today May 6th, 2016 Donald J. Trump for President Rally 'Make America Great Again' in OMAHA, NEBRASKA Werner Enterprises Hangar @ 4pm CDT. Omaha, Nebraska Omaha is the largest city in the state of Nebraska and the county seat of Douglas County. Omaha is located in the Midwestern United States on the Missouri River, about 10 miles (15 km) north of the mouth of the Platte River. Omaha is the anchor of the Omaha-Council Bluffs metropolitan area, which includes Council Bluffs, Iowa, across the Missouri River from Omaha. According to the 2010 census, Omaha's population was 408,958, making it the...