| | | Jefferson County | IA | 19101 | | | | | not in metro; pop > 5K
< 20k;
non-metro-adjacent | nonspecialized | https://maps.google.com/?q=JeffersonCounty+Iowa |
| | | Johnson County | IA | 19103 | | Iowa City, IA 26980 | Cedar Rapids-Iowa City,
IA 168 | Central | in metro of < 250k | federal/state
government-dependent | https://maps.google.com/?q=JohnsonCounty+IA |
| | | Jones County | IA | 19105 | | Cedar Rapids, IA 16300 | Cedar Rapids-Iowa City,
IA 168 | Outlying | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=JonesCounty+IA |
| | | Keokuk County | IA | 19107 | | | | | not in metro; pop <
5k; metro-adjacent | farm-dependent | https://maps.google.com/?q=KeokukCounty+IA |
| | | Kossuth County | IA | 19109 | | | | | not in metro; pop > 5K
< 20k;
non-metro-adjacent | farm-dependent | https://maps.google.com/?q=KossuthCounty+IA |
| | | Lee County | IA | 19111 | | Fort Madison, IA 22800 | Burlington-Fort Madison,
IA-IL 161 | Central | not in metro; pop > 5K
< 20k;
non-metro-adjacent | manufacturing-dependent | https://maps.google.com/?q=LeeCounty+IA |
| | | Linn County | IA | 19113 | | Cedar Rapids, IA 16300 | Cedar Rapids-Iowa City,
IA 168 | Central | in metro of > 250k
< 1m | nonspecialized | https://maps.google.com/?q=LinnCounty+IA |
| | | Louisa County | IA | 19115 | | | | | not in metro; pop <
5k; metro-adjacent | manufacturing-dependent | https://maps.google.com/?q=LouisaCounty+IA |
| | | Lucas County | IA | 19117 | | | | | not in metro; pop <
5k; metro-adjacent | nonspecialized | https://maps.google.com/?q=LucasCounty+IA |
| | | Lyon County | IA | 19119 | | | | | not in metro; pop <
5k; metro-adjacent | farm-dependent | https://maps.google.com/?q=LyonCounty+IA |
