| | | Cass County | NE | 31025 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Outlying | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=CassCounty+NE |
| | | Dodge County | NE | 31053 | | Fremont, NE 23340 | Omaha-Fremont, NE-IA 420 | Central | not in metro; pop
>20k; metro-adjacent | nonspecialized | https://maps.google.com/?q=DodgeCounty+NE |
| | | Douglas County | NE | 31055 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Central | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=DouglasCounty+NE |
| | | Harrison County | IA | 19085 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Outlying | in metro of > 250k
< 1m | farm-dependent | https://maps.google.com/?q=HarrisonCounty+IA |
| | | Mills County | IA | 19129 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Outlying | in metro of > 250k
< 1m | federal/state
government-dependent | https://maps.google.com/?q=MillsCounty+IA |
| | | Pottawattamie County | IA | 19155 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Central | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=PottawattamieCounty+IA |
| | | Sarpy County | NE | 31153 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Central | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=SarpyCounty+NE |
| | | Saunders County | NE | 31155 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Outlying | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=SaundersCounty+NE |
| | | Washington County | NE | 31177 | | Omaha, NE-IA 36540 | Omaha-Fremont, NE-IA 420 | Outlying | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=WashingtonCounty+NE |
