Data / Rankings / Crude birth rate, July to June / Counties in Idaho

Counties in Idaho by birth rate (July to June)

Madison County had the highest birth rate (July to June) of 44 counties in 2021, at 20.1 per 1,000 inhabitants. Adams County had the lowest, at 6.86 per 1,000 inhabitants. The median was 11.78 per 1,000 inhabitants and the figure for Idaho was 11.64 per 1,000 inhabitants. Source: the U.S. Census Bureau.

Highest20.1Madison County
Lowest6.86Adams County
Median11.7844 counties
Idaho11.64History

All counties, 2021

CSVChart (SVG)

Madison CountyMadison County: 20.1 per 1,000 inhabitants20.1Elmore CountyElmore County: 15.85 per 1,000 inhabitants15.85Cassia CountyCassia County: 15.32 per 1,000 inhabitants15.32Butte CountyButte County: 14.87 per 1,000 inhabitants14.87Franklin CountyFranklin County: 14.57 per 1,000 inhabitants14.57Jerome CountyJerome County: 14.45 per 1,000 inhabitants14.45Bonneville CountyBonneville County: 14.19 per 1,000 inhabitants14.19Bingham CountyBingham County: 13.75 per 1,000 inhabitants13.75Power CountyPower County: 13.74 per 1,000 inhabitants13.74Canyon CountyCanyon County: 13.36 per 1,000 inhabitants13.36Bear Lake CountyBear Lake County: 13.3 per 1,000 inhabitants13.3Minidoka CountyMinidoka County: 13.07 per 1,000 inhabitants13.07Caribou CountyCaribou County: 13.03 per 1,000 inhabitants13.03Jefferson CountyJefferson County: 13.02 per 1,000 inhabitants13.02Gooding CountyGooding County: 12.97 per 1,000 inhabitants12.97Lincoln CountyLincoln County: 12.66 per 1,000 inhabitants12.66Owyhee CountyOwyhee County: 12.65 per 1,000 inhabitants12.65Clark CountyClark County: 12.62 per 1,000 inhabitants12.62Bannock CountyBannock County: 12.29 per 1,000 inhabitants12.29Oneida CountyOneida County: 12.22 per 1,000 inhabitants12.22Payette CountyPayette County: 12.01 per 1,000 inhabitants12.01Twin Falls CountyTwin Falls County: 11.85 per 1,000 inhabitants11.85Fremont CountyFremont County: 11.7 per 1,000 inhabitants11.7Boundary CountyBoundary County: 11.15 per 1,000 inhabitants11.15Latah CountyLatah County: 10.42 per 1,000 inhabitants10.42Kootenai CountyKootenai County: 10.38 per 1,000 inhabitants10.38Nez Perce CountyNez Perce County: 10.13 per 1,000 inhabitants10.13Gem CountyGem County: 9.88 per 1,000 inhabitants9.88Ada CountyAda County: 9.87 per 1,000 inhabitants9.87Teton CountyTeton County: 9.83 per 1,000 inhabitants9.83Shoshone CountyShoshone County: 9.7 per 1,000 inhabitants9.7Lewis CountyLewis County: 9.67 per 1,000 inhabitants9.67Bonner CountyBonner County: 8.86 per 1,000 inhabitants8.86Benewah CountyBenewah County: 8.83 per 1,000 inhabitants8.83Washington CountyWashington County: 8.76 per 1,000 inhabitants8.76Custer CountyCuster County: 8.26 per 1,000 inhabitants8.26Idaho CountyIdaho County: 8.26 per 1,000 inhabitants8.26Camas CountyCamas County: 8.12 per 1,000 inhabitants8.12Lemhi CountyLemhi County: 8.07 per 1,000 inhabitants8.07Blaine CountyBlaine County: 7.53 per 1,000 inhabitants7.53Valley CountyValley County: 7.47 per 1,000 inhabitants7.47Boise CountyBoise County: 7.34 per 1,000 inhabitants7.34Clearwater CountyClearwater County: 7.23 per 1,000 inhabitants7.23Adams CountyAdams County: 6.86 per 1,000 inhabitants6.86
per 1,000 inhabitants. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
per 1,000 inhabitants
1Madison County Estimated20.1
2Elmore County Estimated15.85
3Cassia County Estimated15.32
4Butte County Estimated14.87
5Franklin County Estimated14.57
6Jerome County Estimated14.45
7Bonneville County Estimated14.19
8Bingham County Estimated13.75
9Power County Estimated13.74
10Canyon County Estimated13.36
11Bear Lake County Estimated13.3
12Minidoka County Estimated13.07
13Caribou County Estimated13.03
14Jefferson County Estimated13.02
15Gooding County Estimated12.97
16Lincoln County Estimated12.66
17Owyhee County Estimated12.65
18Clark County Estimated12.62
19Bannock County Estimated12.29
20Oneida County Estimated12.22
21Payette County Estimated12.01
22Twin Falls County Estimated11.85
23Fremont County Estimated11.7
24Boundary County Estimated11.15
25Latah County Estimated10.42
26Kootenai County Estimated10.38
27Nez Perce County Estimated10.13
28Gem County Estimated9.88
29Ada County Estimated9.87
30Teton County Estimated9.83
31Shoshone County Estimated9.7
32Lewis County Estimated9.67
33Bonner County Estimated8.86
34Benewah County Estimated8.83
35Washington County Estimated8.76
36Custer County Estimated8.26
37Idaho County Estimated8.26
38Camas County Estimated8.12
39Lemhi County Estimated8.07
40Blaine County Estimated7.53
41Valley County Estimated7.47
42Boise County Estimated7.34
43Clearwater County Estimated7.23
44Adams County Estimated6.86

Other periods

About this ranking

Estimated live births from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.

Published Census population estimates rate. The year identifies the end of the July-to-June period. These estimates can be revised and differ from calendar-year birth rates.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. Population Estimates Program: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

Which county has the highest birth rate (July to June)?

Madison County, with 20.1 per 1,000 inhabitants in 2021, according to the U.S. Census Bureau.

Which county has the lowest birth rate (July to June)?

Adams County, with 6.86 per 1,000 inhabitants in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: birth rate, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.

Crude birth rate, July to June: other rankings

Counties in Idaho: more rankings