Ranking of Idaho Counties By Birth Rate per 1K in 2018

Updated on June 21, 2025.

Based on the US Census Vintage data estimates, in 2018, the Birth Rate per 1K for Idaho was 12.46. Among all Idaho counties, Madison County had the highest birth rate (27.67), followed by Jefferson County (16.76), and Elmore County (16.49).

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.

See this for other years:
Ranking of Idaho Counties By Birth Rate per 1K in 2018
Madison
Jefferson
Elmore
Cassia
Bonneville
Jerome
Minidoka
Franklin
Caribou
Fremont
Ranking of Idaho Counties By Birth Rate per 1K in 2018
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Rank County Birth Rate
1 Madison County 27.67
2 Jefferson County 16.76
3 Elmore County 16.49
4 Cassia County 16.19
5 Bonneville County 15.85
6 Jerome County 15.54
7 Minidoka County 15.48
8 Franklin County 14.26
9 Caribou County 13.86
10 Fremont County 13.61
11 Bear Lake County 13.6
12 Twin Falls County 13.58
13 Canyon County 13.36
14 Payette County 13.17
15 Gooding County 13.12
16 Bannock County 13.05
17 Bingham County 12.53
18 Oneida County 12.47
18 Power County 12.47
19 Butte County 12.37
20 Lincoln County 12.13
21 Boundary County 12.05
22 Nez Perce County 11.79
23 Shoshone County 11.78
24 Clark County 11.61
25 Gem County 11.55
26 Owyhee County 11.5
27 Teton County 11.43
28 Kootenai County 11.03
29 Ada County 10.51
30 Latah County 9.96
31 Lemhi County 9.61
32 Benewah County 9.35
33 Washington County 9.34
34 Valley County 9.29
35 Bonner County 8.98
36 Lewis County 8.81
37 Idaho County 8.76
38 Blaine County 8.55
39 Clearwater County 8.27
40 Custer County 7.42
41 Camas County 7.31
42 Adams County 7.19
43 Boise County 6.91