Counties in Idaho by employer firms

Ada County had the highest employer firms of 44 counties in 2017, at 10,219. Clark County had the lowest, at 9. The median was 328 and the figure for Idaho was 34,111. Source: the U.S. Census Bureau.

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Highest10,219Ada County
Median32844 counties
Idaho34,111History

Map of counties, 2017

Ada County: 10,219 countAdams County: 105 countBannock County: 1,670 countBear Lake County: 111 countBenewah County: 204 countBingham County: 705 countBlaine County: 1,175 countBoise County: 134 countBonner County: 1,293 countBonneville County: 2,808 countBoundary County: 318 countButte County: 50 countCamas County: 31 countCanyon County: 3,280 countCaribou County: 163 countCassia County: 549 countClark County: 9 countClearwater County: 203 countCuster County: 126 countElmore County: 420 countFranklin County: 268 countFremont County: 223 countGem County: 338 countGooding County: 297 countIdaho County: 399 countJefferson County: 412 countJerome County: 482 countKootenai County: 3,948 countLatah County: 786 countLemhi County: 249 countLewis County: 95 countLincoln County: 73 countMadison County: 710 countMinidoka County: 364 countNez Perce County: 947 countOneida County: 81 countOwyhee County: 147 countPayette County: 438 countPower County: 143 countShoshone County: 299 countTeton County: 380 countTwin Falls County: 2,099 countValley County: 475 countWashington County: 181 count
  • Under 100
  • 100 to 200
  • 200 to 300
  • 300 to 500
  • 500 to 1,100
  • 1,100 and over
count, 2017. Source: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2017

Ada County: 10,219 countAda County10,219Kootenai County: 3,948 countKootenai County3,948Canyon County: 3,280 countCanyon County3,280Bonneville County: 2,808 countBonneville County2,808Twin Falls County: 2,099 countTwin Falls County2,099Bannock County: 1,670 countBannock County1,670Bonner County: 1,293 countBonner County1,293Blaine County: 1,175 countBlaine County1,175Nez Perce County: 947 countNez Perce County947Latah County: 786 countLatah County786Madison County: 710 countMadison County710Bingham County: 705 countBingham County705Cassia County: 549 countCassia County549Jerome County: 482 countJerome County482Valley County: 475 countValley County475Payette County: 438 countPayette County438Elmore County: 420 countElmore County420Jefferson County: 412 countJefferson County412Idaho County: 399 countIdaho County399Teton County: 380 countTeton County380Minidoka County: 364 countMinidoka County364Gem County: 338 countGem County338Boundary County: 318 countBoundary County318Shoshone County: 299 countShoshone County299Gooding County: 297 countGooding County297Franklin County: 268 countFranklin County268Lemhi County: 249 countLemhi County249Fremont County: 223 countFremont County223Benewah County: 204 countBenewah County204Clearwater County: 203 countClearwater County203Washington County: 181 countWashington County181Caribou County: 163 countCaribou County163Owyhee County: 147 countOwyhee County147Power County: 143 countPower County143Boise County: 134 countBoise County134Custer County: 126 countCuster County126Bear Lake County: 111 countBear Lake County111Adams County: 105 countAdams County105Lewis County: 95 countLewis County95Oneida County: 81 countOneida County81Lincoln County: 73 countLincoln County73Butte County: 50 countButte County50Camas County: 31 countCamas County31Clark County: 9 countClark County9Ada County: 10,219 countAda County10,219Kootenai County: 3,948 countKootenai County3,948Canyon County: 3,280 countCanyon County3,280Bonneville County: 2,808 countBonneville County2,808Twin Falls County: 2,099 countTwin Falls County2,099Bannock County: 1,670 countBannock County1,670Bonner County: 1,293 countBonner County1,293Blaine County: 1,175 countBlaine County1,175Nez Perce County: 947 countNez Perce County947Latah County: 786 countLatah County786Madison County: 710 countMadison County710Bingham County: 705 countBingham County705Cassia County: 549 countCassia County549Jerome County: 482 countJerome County482Valley County: 475 countValley County475Payette County: 438 countPayette County438Elmore County: 420 countElmore County420Jefferson County: 412 countJefferson County412Idaho County: 399 countIdaho County399Teton County: 380 countTeton County380Minidoka County: 364 countMinidoka County364Gem County: 338 countGem County338Boundary County: 318 countBoundary County318Shoshone County: 299 countShoshone County299Gooding County: 297 countGooding County297Franklin County: 268 countFranklin County268Lemhi County: 249 countLemhi County249Fremont County: 223 countFremont County223Benewah County: 204 countBenewah County204Clearwater County: 203 countClearwater County203Washington County: 181 countWashington County181Caribou County: 163 countCaribou County163Owyhee County: 147 countOwyhee County147Power County: 143 countPower County143Boise County: 134 countBoise County134Custer County: 126 countCuster County126Bear Lake County: 111 countBear Lake County111Adams County: 105 countAdams County105Lewis County: 95 countLewis County95Oneida County: 81 countOneida County81Lincoln County: 73 countLincoln County73Butte County: 50 countButte County50Camas County: 31 countCamas County31Clark County: 9 countClark County9
count. Source: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. Retrieved 2026-10-11.

Full ranking

RankCounties2017
count
Change on 2016
1Ada County10,219+1.9%
2Kootenai County3,948+3.2%
3Canyon County3,280+2.9%
4Bonneville County2,808+1.2%
5Twin Falls County2,099+1.4%
6Bannock County1,670+1.4%
7Bonner County1,293+1.7%
8Blaine County1,175+1.9%
9Nez Perce County947-0.1%
10Latah County786+2.5%
11Madison County710+3.2%
12Bingham County705+0.7%
13Cassia County549-1.3%
14Jerome County482+3%
15Valley County475+0.2%
16Payette County4380%
17Elmore County4200%
18Jefferson County412+2.2%
19Idaho County399+0.5%
20Teton County380+2.2%
21Minidoka County364-2.9%
22Gem County338+1.5%
23Boundary County318-1.5%
24Shoshone County299+2%
25Gooding County2970%
26Franklin County268+1.9%
27Lemhi County249+2.5%
28Fremont County223-0.4%
29Benewah County204-1.9%
30Clearwater County203-2.4%
31Washington County181+0.6%
32Caribou County163+1.2%
33Owyhee County147+3.5%
34Power County143-2.7%
35Boise County134+4.7%
36Custer County126+6.8%
37Bear Lake County111+9.9%
38Adams County105+1%
39Lewis County95-2.1%
40Oneida County81+2.5%
41Lincoln County73+5.8%
42Butte County50+11.1%
43Camas County310%
44Clark County9-18.2%

Other periods

About this ranking

Number of firms in the private nonfarm sectors covered by the US Census Bureau Business Dynamics Statistics. Establishments under common ownership form one firm.

Excludes nonemployer businesses. Differs from active_companies, the INE DIRCE count, which includes businesses without employees.

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. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-11.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2025). Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties (Counties in Idaho by employer firms, 2017) [Data set]. Retrieved October 11, 2026, from https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv

MLA 9

Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties, Counties in Idaho by employer firms, 2017. U.S. Census Bureau, 25 Sept. 2025, https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Invokely, https://invokely.ai/rankings/employer-firms/idaho-counties?period=2017. Accessed 11 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2025. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. Counties in Idaho by employer firms, 2017. Dataset. Accessed October 11, 2026. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Also distributed by Invokely, https://invokely.ai/rankings/employer-firms/idaho-counties?period=2017.

Harvard

U.S. Census Bureau (2025) Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties, Counties in Idaho by employer firms, 2017 [Dataset]. Available at: https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv, via Invokely: https://invokely.ai/rankings/employer-firms/idaho-counties?period=2017 (Accessed: 11 October 2026).

BibTeX
@misc{census_counties_in_idaho_by_2017,
  author = {{U.S. Census Bureau}},
  title = {{Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties: Counties in Idaho by employer firms, 2017}},
  year = {2025},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv},
  urldate = {2026-10-11},
  note = {Accessed via Invokely, https://invokely.ai/rankings/employer-firms/idaho-counties?period=2017. Publisher attribution: U.S. Census Bureau. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023\_st\_cty.csv. Retrieved 2026-10-11.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties: Counties in Idaho by employer firms, 2017
PY  - 2025
DA  - 2025/09/25
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv
L2  - https://invokely.ai/rankings/employer-firms/idaho-counties?period=2017
Y2  - 2026/10/11
N1  - Accessed via Invokely, https://invokely.ai/rankings/employer-firms/idaho-counties?period=2017.
N1  - Publisher attribution: U.S. Census Bureau. Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. https://www2.census.gov/programs-surveys/bds/tables/time-series/2023/bds2023_st_cty.csv. Retrieved 2026-10-11.
ER  - 
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Questions

Which county has the highest employer firms?

Ada County, with 10,219 in 2017, according to the U.S. Census Bureau.

Which county has the lowest employer firms?

Clark County, with 9 in 2017.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Business Dynamics Statistics: employer firms, all covered industries, nation, states and counties. Retrieved 2026-10-11.

Employer firms: other rankings

Counties in Idaho: more rankings