John B and Joan H Carley Foundation

Idaho Community Foundation Inc

Boise, ID

The Idaho Community Foundation funds nonprofits and community projects in areas including education, health, arts and culture, housing, and the environment across Idaho. Its 2024 grants had a median award of about $14,000; amounts vary by program, with Forever Idaho grants typically $3,000–$8,000. Applicants should follow the guidelines for the relevant grant program.

M J Murdock Charitable Trust

Vancouver, WA

The M.J. Murdock Charitable Trust funds nonprofit capacity-building projects, including program and staff expansion, capital improvements, and equipment or technology, across areas such as education, health, arts, and community services. Its 2024 grants ranged from $4,000 to about $1.55 million, with a median of $87,000; it focuses on Alaska, Idaho, Montana, Oregon, and Washington, and also considers projects with more than half their impact there. Applicants start with an eligibility assessment and, if eligible, submit a Letter of Inquiry; the profile does not state whether unsolicited requests are accepted.

Saint Alphonsus Regional Medical Center Inc

Boise, ID

Saint Alphonsus supports nonprofit organizations and community events that address needs in the communities it serves, with recent giving focused mainly in Idaho. Its 2025 filing reported 12 grants totaling $528,572; grants ranged from $6,449 to $281,251, with a median of $10,389. Nonprofits can submit requests through its community contribution form, with at least 90 days’ notice required.

St Luke's Health System Ltd

Boise, ID

St. Luke’s funds nonprofit health initiatives addressing community needs, including mental health, access to care, and social determinants of health, primarily in Idaho and parts of Washington. Its 2025 grants had a median of $14,576, though awards ranged widely; it accepts applications through its Community Health Improvement Fund and sponsorship programs, with the next CHIF application window planned for August 2027.

Miller Family Foundation

Portland, OR

The Miller Family Foundation primarily supports Oregon organizations working in the arts and K–12 education, including artists, with operating support often provided through single- or multi-year grants. Its 2025 grants ranged from $5,000 to $250,000, with a median of $23,300. A 2024 filing says it does not accept unsolicited requests, though its website describes application routes for eligible organizations.

The Thomas M and Carol F Smith Family Foundation

Boise, ID

Gladys and Roland Harriman Foundation

New York, NY

The Gladys and Roland Harriman Foundation supports a range of U.S. charities, including organizations focused on conservation, youth services, health, literature, and cultural preservation; in 2024, its median grant was $40,000, with awards ranging from $500 to $961,500. Giving was concentrated in New York, with additional support in Washington, D.C., Idaho, Oregon, and Connecticut. It accepts written requests by letter, due by October 1, from U.S. 501(c)(3) organizations.

Angels Among US Inc

Garden City, ID

The foundation funds individuals and local nonprofits serving people in need, with grants spanning education, humanitarian, and religious purposes. Its work is centered on Idaho’s Treasure Valley and Boise area, though its 2024 grants also went to organizations in several other states; the median grant was $19,000, with awards ranging from $37 to $2 million. The filing says applicants should provide enough information for trustees to assess their needs, but does not state whether unsolicited requests are accepted.

Jr Simplot Foundation Inc

Boise, ID

The JR Simplot Foundation supports Idaho nonprofits in arts, education, youth, health and human services, and food and agriculture, with recent grants ranging from $400 to $2.3 million and a median of $5,000. Although its website invites proposals and says requests are reviewed quarterly, its 2024 filing states that it gives only to preselected organizations and does not accept unsolicited requests.

Idaho Foodbank Warehouse

Meridian, ID

To help feed, educate and advocate for Idaho's hungry through collaborative partnerships to develop efficient solutions that strengthen individuals, families, and communities.

Blue Cross of Idaho Foundation

Meridian, ID

The foundation funds Idaho projects addressing health’s root causes, with a focus on community, education, and healthcare, and has supported work in all 44 counties. Its 2024 grants ranged from $250 to $300,000, with a median of $1,000. It does not accept unsolicited funding requests, but welcomes inquiries through RFPs offered several times a year.

Simplot Company Foundation Inc

Boise, ID

The foundation supports U.S. nonprofits working in arts, education, food and agriculture, community, youth, health care, and human services, with most recent grant dollars going to Idaho. In 2026, grants ranged from $500 to $494,613, with a median of $2,000. It funds only preselected organizations and does not accept unsolicited requests.