The following is a list of the 93 counties in the U.S. state of Nebraska, listed by name, FIPS code and license plate prefix. ... List of counties in Nebraska. Counties of Nebraska Number93 Populations379 (McPherson) – 585,008 (Douglas) Areas241 square miles (620 km2) (Sarpy) – 5,961 square miles (15,440 km2) (Cherry) GovernmentCounty government 3 more rows