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ID

Foundations in
Idaho

Explore 726 private foundations with combined assets of $19.1B.

726
Foundations
$19.1B
Total Assets

Top 50 by Assets

Largest foundations headquartered in Idaho

View All
#1

St Luke's Health System Ltd

Boise, ID
E
Assets
$2.6B
Giving
-
#2

St Luke's Regional Medical Center Ltd

Boise, ID
E
Assets
$2.4B
Giving
-
#3

POTLATCH NO1 FINANCIAL CREDIT UNION

LEWISTON, ID
W
Assets
$2.1B
Giving
-
#4

SAINT ALPHONSUS REGIONAL MEDICAL CENTER INC

BOISE, ID
E
Assets
$960.6M
Giving
-
#5

KOOTENAI HEALTH INC

COEUR DALENE, ID
E
Assets
$890.5M
Giving
-
#6

Frontier Credit Union

Idaho Falls, ID
W
Assets
$687.0M
Giving
-
#7

SAINT ALPHONSUS MEDICAL CENTER - NAMPA INC

NAMPA, ID
E
Assets
$677.6M
Giving
-
#8

JA & KATHRYN ALBERTSON FOUNDATION INC

BOISE, ID
T
Assets
$600.2M
Giving
-
#9

FREEDOM NORTHWEST CREDIT UNION

KAMIAH, ID
Assets
$588.5M
Giving
-
#10

University of Idaho Foundation Inc

Moscow, ID
B
Assets
$565.1M
Giving
-
#11

St Luke's Magic Valley Regional Medical Center Ltd

Boise, ID
E
Assets
$308.9M
Giving
-
#12

KOOTENAI ELECTRIC COOPERATIVE INC

RATHDRUM, ID
Assets
$305.5M
Giving
-
#13

JR SIMPLOT FOUNDATION INC

BOISE, ID
Assets
$287.7M
Giving
$400K
#14

PORTNEUF HEALTH TRUST

POCATELLO, ID
E
Assets
$250.9M
Giving
-
#15

Lewis Clark Credit Union

Lewiston, ID
Assets
$249.6M
Giving
-
#16

ISLANDS FUND C/O JOHN MUNN

BOISE, ID
T
Assets
$241.8M
Giving
-
#17

Boise State University Foundation Inc

Boise, ID
B
Assets
$234.0M
Giving
-
#18

CLARITY CREDIT UNION

NAMPA, ID
Assets
$223.5M
Giving
-
#19

HOLLAND M WARE CHARITABLE FOUNDATION

EAGLE, ID
T
Assets
$221.0M
Giving
-
#20

St Luke's Wood River Medical Center Ltd

Boise, ID
E
Assets
$168.2M
Giving
-
#21

UNIVERSITY OF IDAHO STRATEGIC INITIATIVES FUND INC

MOSCOW, ID
B
Assets
$167.2M
Giving
$14.3M
#22

SIMPLOT COMPANY FOUNDATION INC

BOISE, ID
B
Assets
$147.9M
Giving
$3.8M
#23

Idaho State University Foundation Inc

Pocatello, ID
B
Assets
$147.9M
Giving
-
#24

MICRON TECHNOLOGY FOUNDATION INC

BOISE, ID
T
Assets
$147.2M
Giving
-
#25

GRITMAN MEDICAL CENTER INC

MOSCOW, ID
E
Assets
$146.5M
Giving
-
#26

BMH INC

BLACKFOOT, ID
E
Assets
$143.7M
Giving
-
#27

St Luke's McCall Ltd

Boise, ID
E
Assets
$135.9M
Giving
-
#28

BOISE HOUSING CORPORATION

BOISE, ID
L
Assets
$120.8M
Giving
-
#29

St Luke's Health Foundation Ltd

Boise, ID
E
Assets
$101.2M
Giving
-
#30

NORTH CANYON MEDICAL CENTER INC

GOODING, ID
E
Assets
$100.7M
Giving
-
#31

DELTA DENTAL OF IDAHO

BOISE, ID
Assets
$94.2M
Giving
-
#32

BLUE CROSS OF IDAHO FOUNDATION FOR HEALTH INC

MERIDIAN, ID
E
Assets
$80.7M
Giving
$2.7M
#33

Idaho Fish and Wildlife Foundation

Boise, ID
D
Assets
$67.1M
Giving
-
#34

COLLEGE OF SOUTHERN IDAHO FOUNDATION

TWIN FALLS, ID
Assets
$63.8M
Giving
-
#35

IDAHO ELKS REHAB HOSPITAL INC

BOISE, ID
E
Assets
$56.7M
Giving
-
#36

Simplot Credit Union

Pocatello, ID
Assets
$56.3M
Giving
-
#37

Greg Carr Foundation Inc

Idaho Falls, ID
T
Assets
$53.8M
Giving
-
#38

NORTH IDAHO COLLEGE FOUNDATION INC

COEUR D ALENE, ID
B
Assets
$51.9M
Giving
-
#39

SAINT ALPHONSUS HEALTH SYSTEM INC

BOISE, ID
Assets
$51.6M
Giving
-
#40

THE PEREGRINE FUND INC

BOISE, ID
Assets
$51.3M
Giving
-
#41

ST LUKE'S WOOD RIVER FOUNDATION INC

KETCHUM, ID
E
Assets
$51.1M
Giving
-
#42

The Hop & Mae Adams Foundation

Boise, ID
T
Assets
$48.6M
Giving
-
#43

HEALTH WEST INC

POCATELLO, ID
E
Assets
$47.0M
Giving
-
#44

LAURA MOORE CUNNINGHAM FOUNDATION INC

MCCALL, ID
Assets
$43.5M
Giving
-
#45

WOOD RIVER LAND TRUST CO

HAILEY, ID
C
Assets
$41.2M
Giving
-
#46

IDAHO FOODBANK WAREHOUSE

MERIDIAN, ID
Assets
$38.9M
Giving
$0
#47

JOHN & ORAH BRANDT FOUNDATION

NAMPA, ID
Assets
$34.3M
Giving
-
#48

ST MARY'S HOSPITAL INC

COTTONWOOD, ID
E
Assets
$32.8M
Giving
-
#49

DIRNE HEALTH CENTERS INC

HAYDEN, ID
Assets
$32.3M
Giving
-
#50

THE GIBNEY FAMILY FOUNDATION INC

MERIDIAN, ID
Assets
$31.7M
Giving
-
Search All 726 Idaho Foundations

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GrantLedger

Helping nonprofits find funding.

Grantwriting

  • Our service
  • How it works
  • FAQs
  • See if you’re eligible

Research & tools

  • The Ledger
  • Compensation Report
  • Search
  • Search pricing
  • Browse foundations
  • Browse by category

About

  • Our story
  • Past internship program
Contact

© 2026 LC Ventures Holdings LLC

Privacy PolicyTerms of Service