RANKING ·
Fastest membership growth in Massachusetts
59 of 121 credit unions in Massachusetts 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 | Rockland Federal Credit Union | Rockland, MA | +10.1% | $3.8 billion |
| 2 | Greylock Federal Credit Union | Pittsfield, MA | +8.1% | $1.8 billion |
| 3 | Holyoke Credit Union | Holyoke, MA | +5.4% | $296 million |
| 4 | I-C Federal Credit Union | Fitchburg, MA | +4.8% | $583 million |
| 5 | Quincy Credit Union | Quincy, MA | +4.4% | $729 million |
| 6 | Harvard Federal Credit Union | Cambridge, MA | +4.0% | $1.2 billion |
| 7 | Mass. Institute of Tech. Federal Credit Union | Lexington, MA | +3.6% | $731 million |
| 8 | Tewksbury Federal Credit Union | Tewksbury, MA | +3.5% | $101 million |
| 9 | Common Trust Federal Credit Union | Woburn, MA | +2.3% | $101 million |
| 10 | Shrewsbury Federal Credit Union | Shrewsbury, MA | +2.2% | $249 million |
| 11 | Boston Firefighters Credit Union | Dorchester, MA | +2.2% | $453 million |
| 12 | Brightbridge Credit Union | Lawrence, MA | +2.1% | $2.4 billion |
| 13 | Luso-American Credit Union | Peabody, MA | +2.1% | $123 million |
| 14 | Somerset Federal Credit Union | Somerset, MA | +2.0% | $263 million |
| 15 | Pioneer Valley Federal Credit Union | Springfield, MA | +1.4% | $167 million |
| 16 | Umassfive College Federal Credit Union | Hadley, MA | +1.3% | $703 million |
| 17 | Massmutual Federal Credit Union | Springfield, MA | +1.1% | $344 million |
| 18 | Metro Credit Union | Chelsea, MA | +1.1% | $3.3 billion |
| 19 | St. Mary'S Credit Union | Marlborough, MA | +1.0% | $1.0 billion |
| 20 | Luso Federal Credit Union | Ludlow, MA | +0.9% | $245 million |
| 21 | Central One Federal Credit Union | Shrewsbury, MA | +0.3% | $872 million |
| 22 | Nesc Federal Credit Union | Methuen, MA | +0.1% | $126 million |
| 23 | Polish National Credit Union | Chicopee, MA | 0.0% | $777 million |
| 24 | New Bedford Credit Union | New Bedford, MA | -0.3% | $169 million |
| 25 | Worcester Credit Union | Worcester, MA | -0.3% | $107 million |
| 26 | Direct Federal Credit Union | Needham, MA | -0.4% | $795 million |
| 27 | Freedom Credit Union | Springfield, MA | -0.5% | $764 million |
| 28 | Taunton Federal Credit Union | Taunton, MA | -0.6% | $440 million |
| 29 | Members Plus Credit Union | Medford, MA | -0.8% | $349 million |
| 30 | St. Anne'S Credit Union | Fall River, MA | -0.8% | $1.4 billion |
| 31 | All One Credit Union | Leominster, MA | -1.2% | $881 million |
| 32 | Westport Federal Credit Union | Westport, MA | -1.3% | $82.2 million |
| 33 | Jeanne D'Arc Credit Union | Lowell, MA | -1.4% | $2.2 billion |
| 34 | Millbury Federal Credit Union | Millbury, MA | -1.4% | $468 million |
| 35 | Greater Springfield Credit Union | Springfield, MA | -1.9% | $230 million |
| 36 | Fall River Municipal Credit Union | Fall River, MA | -2.1% | $316 million |
| 37 | River Works Credit Union | Lynn, MA | -2.2% | $193 million |
| 38 | Athol Credit Union | Athol, MA | -2.3% | $99.2 million |
| 39 | Metrowest Community Federal Credit Union | Framingham, MA | -2.4% | $147 million |
| 40 | Brotherhood Credit Union | Lynn, MA | -2.4% | $125 million |
| 41 | Mass Bay Credit Union | South Boston, MA | -2.4% | $367 million |
| 42 | Workers Federal Credit Union | Littleton, MA | -2.5% | $2.5 billion |
| 43 | Southbridge Credit Union | Southbridge, MA | -2.5% | $242 million |
| 44 | Liberty Bay Credit Union | Braintree, MA | -2.7% | $827 million |
| 45 | City of Boston Credit Union | South Boston, MA | -2.7% | $544 million |
| 46 | Align Credit Union | Lowell, MA | -3.1% | $651 million |
| 47 | First Priority Credit Union | Boston, MA | -3.2% | $139 million |
| 48 | Tremont Credit Union | Boston, MA | -3.2% | $256 million |
| 49 | St. Jean'S Credit Union | Lynn, MA | -3.2% | $373 million |
| 50 | Sharon & Crescent United Credit Union | Sharon, MA | -3.3% | $1.4 billion |
| 51 | First Citizens' Federal Credit Union | Fairhaven, MA | -3.6% | $706 million |
| 52 | Energy Credit Union | West Roxbury, MA | -3.8% | $129 million |
| 53 | Homefield Credit Union | North Grafton, MA | -3.9% | $170 million |
| 54 | Naveo Credit Union | Somerville, MA | -4.6% | $176 million |
| 55 | Hanscom Federal Credit Union | Hanscom Afb, MA | -5.3% | $2.2 billion |
| 56 | Alltrust Credit Union | Fairhaven, MA | -5.5% | $280 million |
| 57 | Alden Credit Union | Chicopee, MA | -5.6% | $185 million |
| 58 | Webster First Federal Credit Union | Worcester, MA | -5.7% | $1.5 billion |
| 59 | Gfa Federal Credit Union | Gardner, MA | -26.2% | $747 million |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings