Fastest-shrinking (2019–2023) in Idaho

Idaho counties and cities ranked by population change.

This page ranks the counties and cities of Idaho by population change — which have the steepest population decline since 2019, according to the US Census Bureau's American Community Survey 5-year estimates.

Among counties, Clark County leads at -15.0%.

Among cities & places, Banks leads at -100.0%.

Counties

#	Name	Population change 2019–2023
1	Clark County	-15.0%
2	Lewis County	-4.9%
3	Lincoln County	-1.4%
4	Latah County	+2.1%
5	Caribou County	+2.4%
6	Butte County	+2.8%
7	Clearwater County	+2.9%
8	Bannock County	+3.1%
9	Gooding County	+3.9%
10	Lemhi County	+4.1%
11	Idaho County	+4.3%
12	Jerome County	+4.5%
13	Power County	+4.5%
14	Fremont County	+5.2%
15	Nez Perce County	+5.6%
16	Custer County	+5.8%
17	Minidoka County	+5.9%
18	Teton County	+5.9%
19	Cassia County	+6.2%
20	Owyhee County	+6.3%
21	Oneida County	+6.8%
22	Bingham County	+6.9%
23	Boundary County	+7.2%
24	Shoshone County	+7.7%
25	Washington County	+8.0%
26	Benewah County	+8.5%
27	Twin Falls County	+8.5%
28	Elmore County	+8.6%
29	Boise County	+9.0%
30	Bear Lake County	+9.2%
31	Franklin County	+9.3%
32	Blaine County	+9.9%
33	Camas County	+10.2%
34	Bonneville County	+11.1%
35	Ada County	+11.2%
36	Canyon County	+11.4%
37	Adams County	+12.3%
38	Payette County	+12.6%
39	Jefferson County	+13.0%
40	Kootenai County	+13.0%
41	Valley County	+13.3%
42	Bonner County	+13.4%
43	Gem County	+14.6%
44	Madison County	+37.0%

Cities & places

Top 100.

#	Name	Population change 2019–2023
1	Banks	-100.0%
2	Princeton	-74.8%
3	Bovill	-57.8%
4	State Line	-57.1%
5	Hamer	-51.4%
6	Smiths Ferry	-47.5%
7	Arbon Valley	-46.3%
8	Tensed	-41.1%
9	De Smet	-33.7%
10	Sweetwater	-29.7%
11	New Meadows	-27.7%
12	Firth	-27.6%
13	Placerville	-26.0%
14	Garden Valley	-25.6%
15	Teton	-25.4%
16	Castleford	-24.9%
17	Spirit Lake	-23.8%
18	Fort Hall	-21.1%
19	Stites	-20.1%
20	Oxford	-20.0%
21	Dubois	-18.3%
22	Kamiah	-16.2%
23	Pierce	-16.1%
24	Lapwai	-15.3%
25	Athol	-15.1%
26	Marsing	-13.2%
27	Rockland	-13.0%
28	Worley	-12.6%
29	Horseshoe Bend	-12.3%
30	Dayton	-11.6%
31	Parma	-10.7%
32	Albion	-10.4%
33	Dalton Gardens	-10.2%
34	Tetonia	-10.0%
35	Kendrick	-10.0%
36	Smelterville	-9.2%
37	Island Park	-8.6%
38	Riggins	-8.5%
39	Bennington	-7.7%
40	Elk River	-7.6%
41	Fernan Lake Village	-7.4%
42	Arimo	-6.8%
43	Kellogg	-6.6%
44	Mullan	-6.4%
45	Bellevue	-6.4%
46	Rockford Bay	-6.1%
47	Reubens	-5.8%
48	Robie Creek	-5.5%
49	Downey	-5.0%
50	Bancroft	-4.9%
51	Plummer	-4.5%
52	Wilder	-4.5%
53	Dover	-4.1%
54	Menan	-4.1%
55	White Bird	-3.8%
56	Declo	-2.3%
57	Riverside	-2.0%
58	Eden	-1.9%
59	Lincoln	-1.5%
60	Ucon	-1.3%
61	Inkom	-1.2%
62	Acequia	-0.9%
63	Notus	-0.4%
64	Craigmont	-0.2%
65	Fairfield	+0.0%
66	Roberts	+0.8%
67	Paris	+0.8%
68	Bonners Ferry	+0.8%
69	Filer	+1.2%
70	Nezperce	+1.5%
71	Moscow	+2.2%
72	Sun Valley	+2.2%
73	Hauser	+2.3%
74	Weippe	+2.4%
75	Pocatello	+2.9%
76	Oakley	+3.0%
77	Salmon	+3.2%
78	Irwin	+3.3%
79	St. Maries	+3.7%
80	Bliss	+3.7%
81	Weston	+3.9%
82	Winchester	+4.2%
83	Boise City	+4.2%
84	Buhl	+4.4%
85	Orofino	+4.7%
86	Challis	+4.7%
87	Harrison	+5.2%
88	Lewiston	+5.5%
89	Garden City	+5.6%
90	Chubbuck	+6.0%
91	Blackfoot	+6.1%
92	Soda Springs	+6.2%
93	Rupert	+6.2%
94	Mountain Home AFB	+6.3%
95	Montpelier	+6.5%
96	Idaho City	+6.9%
97	Priest River	+7.0%
98	American Falls	+7.3%
99	Gooding	+7.7%
100	Iona	+7.7%

Nationwide

Fastest-shrinking (2019–2023) in the US

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Idaho overview

Fastest-shrinking (2019–2023) in Idaho

Counties

Cities & places

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