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Idaho: county data, all 44 of them.

1,934,262 residents across 44 county-equivalents, 57,557 business establishments, and 5,215 SBA approvals worth $2.46 bn. Every figure on this page is those counties summed, and every county has its own page.

32 state-level values · 44 county pages · underlined figures are computed by MMCG Analytics, not published by the agency

How many people live in Idaho?

  • Population1,934,262
  • Households713,005
  • Average household size2.71
  • County-equivalents44
  • People per square mile23

Idaho has 1,934,262 residents in 713,005 households across 44 county-equivalents, every one of which has its own data page below.

US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

What is the Idaho economy?

  • Combined county product, 2024$129.02 bn
  • County product per resident$66,702
  • Covered employment835,137
  • Average annual pay$58,412

The average annual pay of $58,412 is weighted by each county's covered employment, not averaged across counties, so a large labour market counts for more than a small one.

US Bureau of Economic Analysis, Regional, table CAGDP2, CAGDP2, through 2024. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages.

How many businesses are in Idaho?

  • Business establishments57,557
  • Establishments per 1,000 residents29.8
  • Employment at those establishments688,956
  • Annual payroll$37.98 bn

US Census Bureau, County Business Patterns, 2023.

Building permits in Idaho

  • Housing units permitted17,630
  • Permitted construction value$4.64 bn
  • Units permitted per 1,000 households24.7

US Census Bureau, Building Permits Survey, 2024 annual.

SBA loans in Idaho (7(a) and 504)

  • 7(a) approvals recorded3,608
  • 7(a) approval dollars$1.50 bn
  • Average 7(a) approval$415,047
  • 504 approvals recorded1,607
  • 504 approval dollars$961.8 m
  • Average 504 approval$598,505
  • Counties with a 7(a) record43 of 44

US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.

SBA loan default and charge-off rates in Idaho

  • 7(a) charge-off rate over resolved loans3.10 percent
  • Resolved 7(a) loans behind that rate817
  • 7(a) loans charged off25
  • 504 charge-off rate over resolved loans0.90 percent
  • Resolved 504 loans behind that rate542
  • 504 loans charged off5

Of the 817 Idaho 7(a) loans that have reached a final outcome, 3.10 percent were charged off. The rate is taken over resolved loans only, because a loan still running has not yet succeeded or failed.

Compare against the national and state SBA charge-off rates, computed the same way over resolved loans only.

US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30. US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.

How large is Idaho?

  • Land area82,645 sq mi
  • County-equivalents44
  • People per square mile23

US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary vertices, TIGER county boundaries. US Census Bureau, American Community Survey 5-Year Estimates, 2020-2024 5-year.

The largest counties in Idaho.

Idaho county-equivalents by population, with the figures a site search compares them on
GeographyPopulationMedian incomeEstablishmentsCounty GDPSBA approvals
Ada County518,935$91,50217,028$45.45 bn1,773
Canyon County250,790$76,4885,933$11.74 bn571
Kootenai County181,996$81,8616,221$11.54 bn562
Bonneville County129,523$79,0684,197$9.06 bn457
Twin Falls County93,734$67,4093,026$5.95 bn190
Bannock County89,454$66,4992,353$4.41 bn228
Madison County54,618$60,1601,113$2.01 bn99
Bonner County51,049$66,9791,833$2.55 bn187
Bingham County49,664$77,8781,020$2.22 bn123
Nez Perce County42,697$72,5991,213$3.08 bn61

Counties

All 44 Idaho county-equivalents.

Idaho counties: population, income, establishments and SBA activity
GeographyPopulationMedian incomeEstablishmentsCounty GDPSBA approvalsLand area, sq mi
Ada County518,935$91,50217,028$45.45 bn1,7731,053
Adams County4,744$61,808119$204.6 m141,363
Bannock County89,454$66,4992,353$4.41 bn2281,112
Bear Lake County6,650$75,260168$295.7 m21975
Benewah County10,142$59,794275$557.6 m28777
Bingham County49,664$77,8781,020$2.22 bn1232,094
Blaine County24,951$92,5661,688$2.52 bn1232,644
Boise County8,273$78,774200$283.1 m231,899
Bonner County51,049$66,9791,833$2.55 bn1871,735
Bonneville County129,523$79,0684,197$9.06 bn4571,866
Boundary County13,172$67,237439$658.7 m301,269
Butte County2,684$53,01556$1.87 bn32,232
Camas County1,124$57,95544$117.8 m21,074
Canyon County250,790$76,4885,933$11.74 bn571587
Caribou County7,162$68,782196$1.14 bn111,764
Cassia County25,483$70,830773$2.64 bn512,565
Clark County849$55,20812$57.1 mNone recorded1,764
Clearwater County9,012$60,000246$474.1 m42,457
Custer County4,470$67,574192$257.3 m134,921
Elmore County29,321$65,359477$1.91 bn283,075
Franklin County15,056$71,950372$635.1 m40664
Fremont County13,943$72,683395$549.8 m411,864
Gem County20,614$64,605510$696.0 m41561
Gooding County15,931$63,559360$1.76 bn21729
Idaho County17,432$66,325521$680.2 m278,477
Jefferson County33,154$86,679739$1.37 bn881,094
Jerome County25,173$71,724634$2.00 bn27597
Kootenai County181,996$81,8616,221$11.54 bn5621,244
Latah County41,049$65,4241,046$2.07 bn551,076
Lemhi County8,249$53,202307$546.1 m224,563
Lewis County3,682$51,615109$223.1 m6479
Lincoln County5,358$71,453106$397.0 m51,201
Madison County54,618$60,1601,113$2.01 bn99469
Minidoka County22,208$70,377491$1.26 bn20758
Nez Perce County42,697$72,5991,213$3.08 bn61848
Oneida County4,768$74,954100$201.0 m51,200
Owyhee County12,503$64,406262$677.4 m177,666
Payette County26,771$67,673619$1.29 bn59407
Power County8,133$61,146177$560.7 m41,404
Shoshone County13,785$55,527360$954.9 m232,630
Teton County12,425$99,805658$653.1 m44449
Twin Falls County93,734$67,4093,026$5.95 bn1901,921
Valley County12,389$76,078747$849.5 m403,665
Washington County11,142$54,000222$664.5 m281,453

The register

Every source behind these 44 pages.

SourcePeriod coveredLicence
US Census Bureau, American Community Survey 5-Year Estimates2020-2024 5-yearUS Census Bureau, public domain
US Census Bureau, Population Estimates Program, Vintage 2024Vintage 2024, estimates 2020 to 2024US Census Bureau, public domain
US Bureau of Economic Analysis, Regional, table CAGDP2CAGDP2, through 2024US Bureau of Economic Analysis, public domain
US EPA, Map of Radon Zones, county spreadsheet2024-05 publication, EPA 402/A-16/001US EPA, public domain
FEMA OpenFEMA, NFIP Community Status BookCommunity Status Book, as retrievedFEMA OpenFEMA, public domain
US Small Business Administration, 7(a) FOIA releaseFY2020 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Small Business Administration, 504 FOIA releaseFY2010 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary verticesTIGER county boundariesUS Census Bureau, public domain
US Census Bureau, County Business Patterns2023US Census Bureau, public domain
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages2024 annual averagesUS BLS, public domain
US Census Bureau, Building Permits Survey2024 annualUS Census Bureau, public domain
US Internal Revenue Service, Statistics of Income county migration flows2021 to 2022 filing yearsIRS SOI, public domain

An Idaho statutory guide is in preparation.

How a county page is built →