| | | Kent County | MI | 26081 | | Grand
Rapids-Wyoming-Kentwood,
MI 24340 | Grand Rapids-Wyoming, MI 266 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=KentCounty+MI |
| | | Keweenaw County | MI | 26083 | | Houghton, MI 26340 | | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=KeweenawCounty+MI |
| | | Lake County | MI | 26085 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=LakeCounty+MI |
| | | Lapeer County | MI | 26087 | Warren-Troy-Farmington
Hills, MI 47664 | Detroit-Warren-Dearborn,
MI 19820 | Detroit-Warren-Ann Arbor,
MI 220 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=LapeerCounty+MI |
| | | Leelanau County | MI | 26089 | | Traverse City, MI 45900 | | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=LeelanauCounty+MI |
| | | Lenawee County | MI | 26091 | | Adrian, MI 10300 | Detroit-Warren-Ann Arbor,
MI 220 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=LenaweeCounty+MI |
| | | Livingston County | MI | 26093 | Warren-Troy-Farmington
Hills, MI 47664 | Detroit-Warren-Dearborn,
MI 19820 | Detroit-Warren-Ann Arbor,
MI 220 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=LivingstonCounty+MI |
| | | Luce County | MI | 26095 | | | | | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=LuceCounty+MI |
| | | Mackinac County | MI | 26097 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=MackinacCounty+MI |
| | | Macomb County | MI | 26099 | Warren-Troy-Farmington
Hills, MI 47664 | Detroit-Warren-Dearborn,
MI 19820 | Detroit-Warren-Ann Arbor,
MI 220 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=MacombCounty+MI |
