Morrill County, NE has a population of 4,874 people with a median age of 41.3 and a median household income of $45,910. Between 2014 and 2015 the population of Morrill County, NE declined from 4,918 to 4,874, a -0.89% decrease and its median household income grew from $45,000 to $45,910, a 2.02% increase. The population of Morrill County, NE is 83% White, 14.6% Hispanic, and 0.94% Two+.