Idaho: cities, counties, ZIP codes and districts
Idaho has 2 congressional districts, 35 state senate districts and 35 state house districts under the maps in force for November 3, 2026, plus 976 voting precincts, 44 counties, 236 cities, towns and Census-designated places, and 279 ZIP codes.
Cities and towns
Largest first. Each page lists the city's county, districts and ZIP codes.
- Boise City
- Meridian
- Nampa
- Idaho Falls
- Caldwell
- Pocatello
- Coeur d'Alene
- Twin Falls
- Rexburg
- Post Falls
- Lewiston
- Eagle
- Moscow
- Kuna
- Ammon
- Mountain Home
- Hayden
- Chubbuck
- Blackfoot
- Jerome
- Garden City
- Burley
- Star
- Middleton
- Rathdrum
- Hailey
- Sandpoint
- Payette
- Emmett
- Fruitland
- Rupert
- Weiser
- Preston
- Rigby
- Shelley
- Kimberly
- American Falls
- Buhl
- Lincoln
- Gooding
- Heyburn
- McCall
- St. Anthony
- Ketchum
- Grangeville
- Fort Hall
- Mountain Home AFB
- Soda Springs
- Salmon
- Hidden Springs
- Wendell
- Homedale
- Filer
- Iona
- Orofino
- Montpelier
- Bellevue
- Dalton Gardens
- Bonners Ferry
- St. Maries
- Spirit Lake
- Kellogg
- Malad City
- Victor
- Parma
- Driggs
- Sun Valley
- Aberdeen
- Sugar City
- Pinehurst
- Priest River
- Shoshone
- Wilder
- Osburn
- New Plymouth
- Glenns Ferry
- Ponderay
- Moreland
- Marsing
- Paul
- Robie Creek
- Ucon
- Lapwai
- Tyhee
- Kamiah
- Hansen
- Genesee
- Franklin
- Plummer
- Cascade
- Groveland
- Hagerman
- Ashton
- Kootenai
- Riverside
- Grace
- Challis
- Troy
- Arco
- Council
- McCammon
- Cottonwood
- Moyie Springs
- Greenleaf
- Hazelton
- Inkom
- Wallace
- Teton
- Oakley
- Potlatch
- Hauser
- Dover
- Horseshoe Bend
- Menan
- Athol
- Carey
- Smelterville
- Ririe
- Arbon Valley
- Hayden Lake
- Mullan
- Juliaetta
- Notus
- Silverton
- Melba
- Downey
- Avimor
- Paris
- Firth
- New Meadows
- Kooskia
- Clark Fork
- Dubois
- Weston
- Dayton
- Deary
- Georgetown
- Roberts
- Pierce
- Idaho City
- Craigmont
- Nezperce
- Fairfield
- Grand View
- Mackay
- Laclede
- Richfield
- Lewisville
- Clifton
- Culdesac
- Weippe
- Eden
- Blanchard
- Garden Valley
- Riggins
- Lava Hot Springs
- Basalt
- Winchester
- Arimo
- Declo
- Fernwood
- Newdale
- Cambridge
- Hammett
- Rockford Bay
- Mud Lake
- Tetonia
- Parker
- Bancroft
- Rockford
- Kendrick
- Dietrich
- Bliss
- Worley
- Donnelly
- Hollister
- Rockland
- Bennington
- Albion
- Harrison
- Irwin
- East Hope
- Swan Valley
- Oldtown
- Castleford
- Bloomington
- Onaway
- Island Park
- Midvale
- Princeton
- Wardner
- Bovill
- Gannett
- Stites
- Elk City
- Malta
- Peck
- Fernan Lake Village
- Moore
- Letha
- St. Charles
- Sweetwater
- Crouch
- De Smet
- Elk River
- Coolin
- Viola
- Ferdinand
- Acequia
- Bruneau
- Stanley
- Murtaugh
- Huetter
- Hope
- Leadore
- Murphy
- Minidoka
- Tensed
- Hamer
- White Bird
- Butte City
- Conkling Park
- Smiths Ferry
- Parkline
- Placerville
- Reubens
- Lowman
- Lost River
- Oxford
- State Line
- Yellow Pine
- Spencer
- Banks
- Drummond
- Clayton
- Warm River
Congressional districts (2026)
| District | Short | 2020 population |
|---|---|---|
| Idaho's 1st congressional district | ID-01 | 919,553 |
| Idaho's 2nd congressional district | ID-02 | 919,553 |
ZIP codes in Idaho
Each page lists the ZIP's congressional and legislative districts, with population shares where it's split.
- 83201
- 83202
- 83203
- 83204
- 83209
- 83210
- 83211
- 83212
- 83213
- 83214
- 83215
- 83217
- 83218
- 83220
- 83221
- 83223
- 83226
- 83227
- 83228
- 83232
- 83233
- 83234
- 83235
- 83236
- 83237
- 83238
- 83239
- 83241
- 83243
- 83244
- 83245
- 83246
- 83250
- 83251
- 83252
- 83253
- 83254
- 83255
- 83261
- 83262
- 83263
- 83271
- 83272
- 83274
- 83276
- 83277
- 83278
- 83281
- 83283
- 83285
- 83286
- 83287
- 83301
- 83302
- 83311
- 83312
- 83313
- 83314
- 83316
- 83318
- 83320
- 83321
- 83322
- 83323
- 83324
- 83325
- 83327
- 83328
- 83330
- 83332
- 83333
- 83334
- 83335
- 83336
- 83337
- 83338
- 83340
- 83341
- 83342
- 83344
- 83346
- 83347
- 83348
- 83349
- 83350
- 83352
- 83353
- 83354
- 83355
- 83401
- 83402
- 83404
- 83406
- 83420
- 83421
- 83422
- 83423
- 83424
- 83425
- 83427
- 83428
- 83429
- 83431
- 83433
- 83434
- 83435
- 83436
- 83438
- 83440
- 83442
- 83443
- 83444
- 83445
- 83446
- 83448
- 83449
- 83450
- 83451
- 83452
- 83454
- 83455
- 83460
- 83462
- 83463
- 83464
- 83465
- 83466
- 83467
- 83468
- 83469
- 83501
- 83520
- 83522
- 83523
- 83524
- 83525
- 83526
- 83530
- 83533
- 83535
- 83536
- 83537
- 83539
- 83540
- 83541
- 83542
- 83543
- 83544
- 83545
- 83546
- 83547
- 83548
- 83549
- 83552
- 83553
- 83554
- 83555
- 83602
- 83604
- 83605
- 83607
- 83610
- 83611
- 83612
- 83615
- 83616
- 83617
- 83619
- 83622
- 83623
- 83624
- 83626
- 83627
- 83628
- 83629
- 83631
- 83632
- 83633
- 83634
- 83636
- 83637
- 83638
- 83639
- 83641
- 83642
- 83643
- 83644
- 83645
- 83646
- 83647
- 83648
- 83650
- 83651
- 83654
- 83655
- 83656
- 83657
- 83660
- 83661
- 83666
- 83669
- 83670
- 83672
- 83676
- 83677
- 83686
- 83687
- 83702
- 83703
- 83704
- 83705
- 83706
- 83709
- 83712
- 83713
- 83714
- 83716
- 83720
- 83725
- 83801
- 83802
- 83803
- 83804
- 83805
- 83806
- 83808
- 83809
- 83810
- 83811
- 83812
- 83813
- 83814
- 83815
- 83821
- 83822
- 83823
- 83824
- 83825
- 83826
- 83827
- 83830
- 83832
- 83833
- 83834
- 83835
- 83836
- 83837
- 83839
- 83840
- 83841
- 83842
- 83843
- 83844
- 83845
- 83846
- 83847
- 83848
- 83849
- 83850
- 83851
- 83852
- 83854
- 83855
- 83856
- 83857
- 83858
- 83860
- 83861
- 83864
- 83866
- 83867
- 83868
- 83869
- 83870
- 83871
- 83872
- 83873
- 83874
- 83876
Get this in your AI agent
Your agent can list, look up and map every district and precinct in Idaho. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
list_geographies(country="US", level="congressional_district", region="ID")