| Name | Population | Altitude | Latitude | Longitude | 
| Ibangni : | 
 | 
 | 41°24'43.9" N | 127°54'39.6" E | 
| Ichondong : | 
 | 
 | 40°52'16.0" N | 127°48'43.2" E | 
| Idogi : | 
 | 1 041 m | 41°3'54.0" N | 128°29'45.6" E | 
| Idong : | 
 | 
 | 42°1'50.9" N | 128°49'15.6" E | 
| Ilchabong : | 
 | 1 413 m | 41°14'8.9" N | 127°49'37.2" E | 
| Ilchabongni : | 
 | 
 | 41°14'8.9" N | 127°49'37.2" E | 
| Ilgolli : | 
 | 
 | 41°13'28.9" N | 128°2'56.4" E | 
| Ilgollodongjagu : | 
 | 
 | 41°23'13.9" N | 128°21'50.4" E | 
| Ilgonni : | 
 | 
 | 41°23'13.9" N | 128°21'50.4" E | 
| Ilgonnodongjagu : | 
 | 
 | 41°23'13.9" N | 128°21'50.4" E | 
| Ilgorodongjagu : | 
 | 
 | 41°16'43.0" N | 128°18'46.8" E | 
| Iljabongni : | 
 | 
 | 41°14'8.9" N | 127°49'37.2" E | 
| Imdongni : | 
 | 
 | 41°2'12.1" N | 128°15'21.6" E | 
| Imjongni : | 
 | 
 | 40°56'46.0" N | 127°58'51.6" E | 
| Imsori : | 
 | 
 | 40°54'29.9" N | 127°55'44.4" E | 
| Imyongsunodongjagu : | 
 | 
 | 41°44'7.1" N | 128°15'36.0" E | 
| Imyongsurodongjagu : | 
 | 
 | 41°44'7.1" N | 128°15'36.0" E | 
| Inchabo : | 
 | 
 | 41°23'31.9" N | 128°1'40.8" E | 
| Indongni : | 
 | 
 | 41°17'33.0" N | 128°0'14.4" E | 
| Insalli : | 
 | 
 | 41°24'49.0" N | 127°59'24.0" E | 
| Insanni : | 
 | 
 | 41°24'49.0" N | 127°59'24.0" E | 
| Ipori : | 
 | 
 | 40°48'51.1" N | 128°20'52.8" E | 
| Iptongni : | 
 | 
 | 41°8'40.9" N | 128°20'60.0" E | 
| Itaeri : | 
 | 
 | 41°10'46.9" N | 128°11'13.2" E | 
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