RANKING ·
Fastest membership growth in New Hampshire
9 of 12 credit unions in New Hampshire that filed for the quarter ended June 30, 2026 are ranked. At least 5,000 members a year earlier; probable mergers left out. Institutions with equal values share a rank. Source: NCUA Call Report data.
| Rank | Institution | Headquarters | Members, change over 12 months | Total assets |
|---|---|---|---|---|
| 1 | St. Mary'S Bank Credit Union | Manchester, NH | +6.6% | $1.8 billion |
| 2 | Service Federal Credit Union | Portsmouth, NH | +4.5% | $6.7 billion |
| 3 | Lighthouse Federal Credit Union | Dover, NH | +1.6% | $2.2 billion |
| 4 | Granite State Credit Union | Manchester, NH | +1.4% | $749 million |
| 5 | New Hampshire Federal Credit Union | Concord, NH | +0.7% | $332 million |
| 6 | Holy Rosary Credit Union | Rochester, NH | +0.2% | $508 million |
| 7 | Bellwether Community Credit Union | Manchester, NH | -1.4% | $675 million |
| 8 | Members First Credit Union of N.H. | Manchester, NH | -2.4% | $277 million |
| 9 | Triangle Credit Union | Nashua, NH | -7.1% | $866 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings