Twin Falls County is a county in the south central part of the U.S. state of Idaho. As of the 2020 Census, the county had a population of 90,046, making it the fifth-most populous county in Idaho. The county seat and largest city is Twin Falls. Twin Falls County is part of the Twin Falls, ID Twin Falls Metropolitan Statistical Area.
City
Zip Codes
83703 83702 83706 83704 83709 83716 83705 83712 83713 83725 83720 83701 83708 83715 83717 83722 83724 83728 83729 83735 83756 83799
83651 83687 83686
83642 83646 83680
83815 83814 83816
83401 83402 83404 83415
83209 83204 83201 83205 83206
83607 83605
83301 83303
83854 83877
83501
83460 83440
83616
83843 83844
83634 83642
83401 83406 83403
83647
83202
83835
83338
83221
83714 83711
83318
83669
83858
83644 83652
83333
83864
83661
83617
83350
83619
83672
83263
83442
83274
83316
83211
83341
83401
83445
83330
83336
83638 83635
83340
83714
83455
83530 83531
83544
83467
83276
83861
83648
83355
83628
83210
83328
83427 83401
83254
83313
83202 83203 83221
83805
83815
83422
83448
83837
83252
83856
83850
83660
83869
83352
83334
83676
83655
83849
83540
83202
83347
83716
83241
83454 83401
83320
83354 83353
83639
83714
83221 83256
83536
83832
83864 83852
83332
83522
83623
83864 83840
83845
83420
83611
83873
83851
83221
83854
83221