| | Kildeer village | 1739883 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=Kildeervillage+IL |
| | Lake Barrington village | 1740884 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=LakeBarringtonvillage+IL |
| | Lake Bluff village | 1740910 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=LakeBluffvillage+IL |
| | Lake Forest city | 1741105 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=LakeForestcity+IL |
| | Lake Villa village | 1741586 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=LakeVillavillage+IL |
| | Lake Zurich village | 1741742 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=LakeZurichvillage+IL |
| | Lakemoor village (part) | 1741326 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=Lakemoorvillage+IL |
| | Libertyville village | 1743250 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=Libertyvillevillage+IL |
| | Lincolnshire village | 1743666 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=Lincolnshirevillage+IL |
| | Lindenhurst village | 1743770 | Lake County 17097 | IL | Chicago-Naperville-Elgin,
IL-IN 16980 | Chicago-Naperville,
IL-IN-WI 176 | | https://maps.google.com/?q=Lindenhurstvillage+IL |