Nebraska is a state in the United States that is located in the Great Plains and the Midwestern region. It is rated 16th by area and 37th by population. Lincoln is the state capital of Nebraska, with a population of 268,738 (density 1,303 people per km2) and a land area of 234 km2. Omaha is the biggest city in Nebraska, with a land area of 333 km2 and a population of 434,354 (as of 2013). It is located in Douglas County.