Alden	Algonquin	Burton
Chemung	Coral	Dorr
Dunham	Grafton	Greenwood
Hartland	Hebron	Marengo
McHenry	Nunda	Richmond
Riley	Seneca

Cities and Villages
* Algonquin - partly in Kane County
* Barrington Hills - partly in Cook, Kane, and Lake Counties
* Bull Valley * Cary * Crystal Lake * Fox Lake - partly in Lake County * Fox River Grove - partly in Lake County
* Greenwood * Harvard * Hebron * Holiday Hills * Huntley - partly in Kane County
* Island Lake - partly in Lake County * Johnsburg * Lake in the Hills * Lakemoor - partly in Lake County
* Lakewood * Marengo * McCullom Lake * McHenry * Oakwood Hills
* Port Barrington - partly in Lake County * Prairie Grove * Richmond * Ringwood * Spring Grove
* Trout Valley * Union * Wonder Lake * Woodstock

Census Designated Places
* Pistakee Highlands * Wonder Lake

Unincorporated Communities
* Alden * Burtons Bridge * Chemung * Coral * Franklinville * Harmony * Hartland
* Lawrence * Ridgefield * Riley * Silver Lake * Solon Mills * Sunnyside

Extinct Towns and/or Old Names of Current Towns
Barreville
Centerville
Snarltown: now unincorporated Franklinville
Hampshire
Hebron
Denny's Ferry, Cornish's Ferry, Cornishville, Osceola: now Algonquin
Nunda: North Crystal Lake
North Crystal Lake, Brooklyn, Dearborn: now Crystal Lake
Gagetown -- West McHenry: now McHenry
Pleasant Grove Twp: now Marengo Twp
Montelona Twp: now Richmond Twp
Brooklyn Twp: now Nunda Twp: