New Hampshire has 12 federally insured credit unions with their headquarters in the state (48th most among the 50 states and DC). Together they hold about $14.2 billion in assets and serve about 853,792 members. 5 are federally chartered and 7 are state-chartered. The ten largest are below.
| # | Credit union | City | Assets | Members |
|---|---|---|---|---|
| 1 | Service Credit Union | Portsmouth | $6.7 billion | 388,968 |
| 2 | Lighthouse Credit Union | Dover | $2.2 billion | 170,052 |
| 3 | St. Mary's Bank Credit Union | Manchester | $1.8 billion | 104,461 |
| 4 | Triangle Credit Union | Nashua | $866 million | 52,864 |
| 5 | Granite State Credit Union | Manchester | $749 million | 53,856 |
| 6 | Bellwether Community Credit Union | Manchester | $675 million | 24,292 |
| 7 | Holy Rosary Credit Union | Rochester | $508 million | 25,358 |
| 8 | New Hampshire Credit Union | Concord | $332 million | 15,179 |
| 9 | Members First Credit Union of N.H. | Manchester | $277 million | 12,827 |
| 10 | New Hampshire Postal Credit Union | Manchester | $68 million | 3,042 |
Federally insured credit unions are backed by the National Credit Union Share Insurance Fund (NCUSIF), run by the NCUA, which protects member deposits up to $250,000 per member, per credit union, per ownership category. Not sure whether a credit union is right for you? Read credit unions and banks: what is the difference?
Frequently asked questions
How many credit unions are in New Hampshire?
There are 12 federally insured credit unions headquartered in New Hampshire (NCUA call report, 06/30/2026). Many also serve members elsewhere through shared branching and online banking.
What is the largest credit union in New Hampshire?
Service Credit Union, based in Portsmouth, with $6.7 billion in assets and 388,968 members (NCUA, 06/30/2026).
Are credit union deposits insured?
Yes, at federally insured credit unions: the NCUA insures member deposits up to $250,000 per member, per credit union, per ownership category, through the NCUSIF.