There are 44 counties in Idaho.  All counties are functioning governmental units, each governed by a board of commissioners.
There are 170 county subdivisions in Idaho. They are all census county divisions (CCDs), which are delineated for statistical purposes, have no legal function, and are not governmental units.
Idaho Counties - Populated Places in 44 Counties  
 
	
	
	
	
   		-- Select County -- 
		
				Ada County 
			
				Adams County 
			
				Bannock County 
			
				Bear Lake County 
			
				Benewah County 
			
				Bingham County 
			
				Blaine County 
			
				Boise County 
			
				Bonner County 
			
				Bonneville County 
			
				Boundary County 
			
				Butte County 
			
				Camas County 
			
				Canyon County 
			
				Caribou County 
			
				Cassia County 
			
				Clark County 
			
				Clearwater County 
			
				Custer County 
			
				Elmore County 
			
				Franklin County 
			
				Fremont County 
			
				Gem County 
			
				Gooding County 
			
				Idaho County 
			
				Jefferson County 
			
				Jerome County 
			
				Kootenai County 
			
				Latah County 
			
				Lemhi County 
			
				Lewis County 
			
				Lincoln County 
			
				Madison County 
			
				Minidoka County 
			
				Nez Perce County 
			
				Oneida County 
			
				Owyhee County 
			
				Payette County 
			
				Power County 
			
				Shoshone County 
			
				Teton County 
			
				Twin Falls County 
			
				Valley County 
			
				Washington County 
			
	 
	
	
	Also see County: Census Data  | Physical, Cultural & Historical Features  | ZIP Codes  | Land, Farms, & Ranches 
		
	
  		The Idaho Counties  section of the gazetteer lists the cities, towns, neighborhoods and subdivisions for each of the 44 Idaho Counties.
		Also see Idaho County: ZIP Codes  | Physical, Cultural & Historical Features  | Census Data  | Land, Farms, & Ranches 
		Nearby physical features such as streams, islands and lakes are listed along with maps and driving directions. The same is true for both historical features and cultural features such as hospitals, parks, schools and airports.
		Each profile includes the current weather plus a seven day forecast. Note that for smaller populated places, the weather report may be for the nearest weather reporting station or airport.
		The local information and data include economic and demographic data, census information and facts about the local environmental situation including such items as maps of flood zones, local sources of pollution, air quality indices and local areas where hazardous materials may be used or stored.
		The complete category list for larger cities and towns includes: Arts & Culture, Census Data, Community Organizations, State and Local Government, Health & Medical, Newcomer Information, Local News Papers & Radio, Parks & Recreation, Pets & Hobbies, Schools & Libraries, Social Services, Travel and Tourism.