Ranking of Idaho Counties By Population in 2013

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2013, the Population for Idaho was 1.61M. Among all Idaho counties, Ada County had the highest population (416.18K), followed by Canyon County (198.66K), and Kootenai County (144.02K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Idaho counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

Related Topics: Idaho Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage), 2013 Census.

See this for other years:

Ranking of Idaho Counties By Population in 2013

Ada

Canyon

Kootenai

Bonneville

Bannock

Twin Falls

Bingham

Bonner

Nez Perce

Latah

Ranking of Idaho Counties By Population in 2013

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Rank	County	Population
1	Ada County	416180
2	Canyon County	198661
3	Kootenai County	144019
4	Bonneville County	107407
5	Bannock County	83494
6	Twin Falls County	79919
7	Bingham County	45435
8	Bonner County	40553
9	Nez Perce County	39819
10	Latah County	38262
11	Madison County	37607
12	Jefferson County	26809
13	Elmore County	26296
14	Cassia County	23344
15	Jerome County	22759
16	Payette County	22581
17	Blaine County	21333
18	Minidoka County	20399
19	Gem County	16582
20	Idaho County	16256
21	Gooding County	15162
22	Fremont County	12881
23	Franklin County	12809
24	Shoshone County	12675
25	Owyhee County	11396
26	Boundary County	10856
27	Teton County	10410
28	Washington County	9916
29	Valley County	9585
30	Benewah County	9033
31	Clearwater County	8570
32	Power County	7794
33	Lemhi County	7718
34	Caribou County	6788
35	Boise County	6722
36	Bear Lake County	5953
37	Lincoln County	5333
38	Oneida County	4256
39	Custer County	4226
40	Adams County	3865
41	Lewis County	3805
42	Butte County	2665
43	Camas County	1041
44	Clark County	879