RANKING ·
Highest net interest margin in Idaho
17 of 26 credit unions in Idaho that filed for the quarter ended June 30, 2026 are ranked. At least $100 million in total assets. Institutions with equal values share a rank. Source: NCUA Call Report data.
| Rank | Institution | Headquarters | Net interest margin on average assets | Total assets |
|---|---|---|---|---|
| 1 | Clarity Credit Union | Nampa, ID | 4.34% | $236 million |
| 2 | Connections Credit Union | Pocatello, ID | 3.89% | $256 million |
| 3 | Advantage Plus Federal Credit Union | Pocatello, ID | 3.88% | $292 million |
| 4 | Lookout Federal Credit Union | Pocatello, ID | 3.84% | $314 million |
| 5 | Lewis Clark Credit Union | Lewiston, ID | 3.82% | $270 million |
| 6 | Frontier Credit Union | Idaho Falls, ID | 3.76% | $822 million |
| 7 | Cottonwood Community Federal Credit Union | Cottonwood, ID | 3.65% | $286 million |
| 8 | Freedom Northwest Credit Union | Kamiah, ID | 3.61% | $693 million |
| 9 | Latah Credit Union | Moscow, ID | 3.56% | $170 million |
| 10 | Potlatch No. 1 Financial Credit Union | Lewiston, ID | 3.53% | $2.2 billion |
| 11 | Westmark Credit Union | Idaho Falls, ID | 3.47% | $1.7 billion |
| 12 | Capital Educators Federal Credit Union | Meridian, ID | 3.37% | $1.4 billion |
| 13 | Trugrocer Federal Credit Union | Boise, ID | 3.28% | $320 million |
| 14 | Pioneer Federal Credit Union | Mountain Home, ID | 3.23% | $744 million |
| 15 | Northwest Christian Credit Union | Nampa, ID | 3.18% | $106 million |
| 16 | Idaho Central Credit Union | Chubbuck, ID | 3.05% | $15.5 billion |
| 17 | Beehive Federal Credit Union | Rexburg, ID | 2.74% | $648 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings