| Name | Population | Altitude | Latitude | Longitude | 
Iberia : | 
 | 333 m | 40°40'13.1" N | 82°50'37.0" W | 
Idaho : | 
 | 183 m | 39°5'17.2" N | 83°8'30.8" W | 
Ideal : | 
 | 249 m | 39°58'48.0" N | 81°31'58.1" W | 
Idlewild : | 
 | 216 m | 39°8'44.9" N | 84°28'40.1" W | 
Idlewood : | 
 | 212 m | 39°8'55.0" N | 84°28'27.1" W | 
Idlewood Cottage Area : | 
 | 334 m | 40°38'37.0" N | 82°19'34.0" W | 
Iler : | 
 | 223 m | 41°11'6.0" N | 83°19'9.8" W | 
Ilesboro : | 
 | 304 m | 39°26'4.9" N | 82°27'11.9" W | 
Immergrun : | 
 | 174 m | 41°41'21.1" N | 83°25'19.9" W | 
Independence (Independence) : | 7 109 | 255 m | 41°22'7.0" N | 81°38'17.2" W | 
Indian Camp : | 
 | 303 m | 40°5'39.8" N | 81°38'44.9" W | 
Indian Creek : | 
 | 181 m | 41°33'18.0" N | 83°30'29.9" W | 
Indian Hill : | 
 | 213 m | 39°10'50.9" N | 84°20'43.1" W | 
Indian Knolls : | 
 | 192 m | 39°10'41.2" N | 84°16'28.9" W | 
Indian Springs : | 
 | 201 m | 39°21'19.1" N | 84°31'41.9" W | 
Indian Trail Estates : | 
 | 184 m | 41°35'26.2" N | 83°26'8.2" W | 
Indianview : | 
 | 183 m | 39°13'18.8" N | 84°18'4.0" W | 
Industry : | 
 | 345 m | 41°4'37.9" N | 81°11'39.8" W | 
Infant Of Prague Villa : | 
 | 318 m | 40°59'37.0" N | 81°31'14.2" W | 
Ingold Heights : | 
 | 334 m | 40°47'57.8" N | 81°28'13.1" W | 
Ingomar : | 
 | 274 m | 39°42'42.8" N | 84°30'0.0" W | 
Inlet : | 
 | 228 m | 41°39'13.0" N | 84°11'7.1" W | 
Ira : | 
 | 242 m | 41°10'53.0" N | 81°35'3.8" W | 
Ireland : | 
 | 244 m | 39°15'20.2" N | 81°46'18.1" W | 
Iron City : | 
 | 378 m | 40°20'37.0" N | 83°45'18.0" W | 
Irondale (Irondale) : | 409 | 243 m | 40°34'18.1" N | 80°43'36.1" W | 
Ironspot : | 
 | 242 m | 39°49'7.0" N | 82°3'41.0" W | 
Ironton (Ironton) : | 11 209 | 176 m | 38°32'12.1" N | 82°40'59.2" W | 
Ironton Junction : | 
 | 215 m | 39°5'47.0" N | 82°33'24.8" W | 
Ironville : | 
 | 174 m | 41°40'32.9" N | 83°28'32.2" W | 
Irville : | 
 | 274 m | 40°2'57.1" N | 82°7'37.9" W | 
Irvington : | 
 | 263 m | 39°50'26.2" N | 84°15'37.1" W | 
Irwin : | 
 | 304 m | 40°7'21.0" N | 83°29'21.8" W | 
Island : | 
 | 339 m | 40°54'54.0" N | 80°44'44.9" W | 
Island Creek : | 
 | 213 m | 40°27'10.1" N | 80°40'45.8" W | 
Island View : | 
 | 304 m | 40°30'58.0" N | 83°53'10.0" W | 
Isle Saint George : | 
 | 180 m | 41°43'18.1" N | 82°49'13.1" W | 
Isleta : | 
 | 243 m | 40°16'12.0" N | 81°40'18.1" W | 
Ithaca (Ithaca) : | 98 | 304 m | 39°56'13.9" N | 84°33'11.9" W | 
Iva Dale Subdivision : | 
 | 169 m | 38°51'22.0" N | 82°8'48.8" W | 
Ivorydale : | 
 | 164 m | 39°10'39.0" N | 84°29'47.0" W | 
Ivorydale Junction : | 
 | 154 m | 39°10'12.0" N | 84°30'15.1" W | 
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