Banks and Credit Unions in Massachusetts

Bank branch deposits in state

$645.40B

Bank offices in state

1,859

Banks headquartered here

Credit unions headquartered here

121

Largest deposit holders in Massachusetts (branch deposits)

#	Bank	In-state branch deposits	Share
1	State Street Bank And Trust Company	$242.09B	37.5%
2	Bank Of America, National Association	$100.45B	15.6%
3	Citizens Bank, National Association	$59.30B	9.2%
4	Santander Bank, N.A.	$36.64B	5.7%
5	Eastern Bank	$24.62B	3.8%
6	Td Bank, National Association	$21.12B	3.3%
7	Rockland Trust Company	$19.48B	3.0%
8	Beacon Bank And Trust	$11.04B	1.7%
9	Manufacturers And Traders Trust Company	$6.15B	1.0%
10	Salem Five Cents Savings Bank	$6.04B	0.9%
11	Needham Bank	$6.01B	0.9%
12	Cambridge Savings Bank	$5.35B	0.8%
13	Middlesex Savings Bank	$5.18B	0.8%
14	Jpmorgan Chase Bank, National Association	$4.90B	0.8%
15	The Cape Cod Five Cents Savings Bank	$4.56B	0.7%
16	Leader Bank, National Association	$4.26B	0.7%
17	Institution For Savings In Newburyport And Its Vicinity	$3.37B	0.5%
18	Peoplesbank	$2.98B	0.5%
19	Northern Bank & Trust Company	$2.82B	0.4%
20	Unibank For Savings	$2.57B	0.4%
21	Bristol County Savings Bank	$2.38B	0.4%
22	Hingham Institution For Savings	$2.35B	0.4%
23	Avidia Bank	$2.23B	0.3%
24	South Shore Bank	$2.22B	0.3%
25	Baycoast Bank	$2.17B	0.3%

Banks headquartered in Massachusetts

#	Bank	Headquarters	Assets	Deposits
1	State Street Bank And Trust Company	Boston, MA	$412.62B	$326.25B
2	Eastern Bank	Boston, MA	$31.13B	$26.15B
3	Rockland Trust Company	Rockland, MA	$24.97B	$20.53B
4	Beacon Bank And Trust	Boston, MA	$22.20B	$18.65B
5	Salem Five Cents Savings Bank	Salem, MA	$8.82B	$6.04B
6	Needham Bank	Needham, MA	$7.42B	$6.32B
7	Cambridge Savings Bank	Cambridge, MA	$6.98B	$5.35B
8	Middlesex Savings Bank	Natick, MA	$6.15B	$5.18B
9	The Cape Cod Five Cents Savings Bank	Hyannis, MA	$5.62B	$4.56B
10	Institution For Savings In Newburyport And Its Vicinity	Newburyport, MA	$5.56B	$3.37B
11	Leader Bank, National Association	Arlington, MA	$5.28B	$4.26B
12	Peoplesbank	Holyoke, MA	$4.62B	$3.51B
13	Hingham Institution For Savings	Hingham, MA	$4.56B	$2.61B
14	Northern Bank & Trust Company	Woburn, MA	$3.38B	$2.82B
15	Bristol County Savings Bank	Taunton, MA	$3.26B	$2.64B
16	Unibank For Savings	Whitinsville, MA	$3.11B	$2.57B
17	Baycoast Bank	Swansea, MA	$2.86B	$2.46B
18	Avidia Bank	Hudson, MA	$2.77B	$2.23B
19	Westfield Bank	Westfield, MA	$2.73B	$2.40B
20	Dedham Institution For Savings	Dedham, MA	$2.60B	$2.06B
21	Cornerstone Bank	Spencer, MA	$2.57B	$1.94B
22	South Shore Bank	South Weymouth, MA	$2.52B	$2.22B
23	Country Bank For Savings	Ware, MA	$2.24B	$1.73B
24	The Village Bank	Newton, MA	$2.07B	$1.80B
25	Trunorth Bank	Easthampton, MA	$2.02B	$1.76B
26	Florence Bank	Florence, MA	$2.01B	$1.79B
27	The Lowell Five Cent Savings Bank	Tewksbury, MA	$1.90B	$1.64B
28	Fall River Five Cents Savings Bank	Fall River, MA	$1.86B	$1.38B
29	North Easton Savings Bank	South Easton, MA	$1.84B	$1.61B
30	Cape & Coast Bank	Yarmouth Port, MA	$1.68B	$1.40B
31	Everett Co-Operative Bank	Everett, MA	$1.67B	$1.20B
32	Main Street Bank	Marlborough, MA	$1.67B	$1.39B
33	East Cambridge Savings Bank	Cambridge, MA	$1.66B	$1.34B
34	Bluestone Bank	Raynham, MA	$1.62B	$1.32B
35	Newburyport Five Cents Savings Bank	Newburyport, MA	$1.57B	$1.26B
36	Greenfield Savings Bank	Greenfield, MA	$1.52B	$1.25B
37	Watertown Savings Bank	Watertown, MA	$1.44B	$1.25B
38	Martha'S Vineyard Bank	Edgartown, MA	$1.33B	$1.07B
39	Fidelity Co-Operative Bank	Leominster, MA	$1.31B	$1.12B
40	Webster Five Cents Savings Bank	Webster, MA	$1.31B	$1.00B
41	Mutualone Bank	Framingham, MA	$1.22B	$924.50M
42	Reading Co-Operative Bank	Reading, MA	$1.19B	$1.02B
43	Pentucket Bank	Haverhill, MA	$1.12B	$877.93M
44	Winchester Savings Bank	Winchester, MA	$1.09B	$817.72M
45	Mountainone Bank	North Adams, MA	$1.08B	$774.31M
46	Cape Ann Savings Bank	Gloucester, MA	$1.07B	$804.82M
47	Onelocal Bank	Norwood, MA	$1.05B	$842.97M
48	Adams Community Bank	Adams, MA	$1.01B	$822.62M
49	Coastal Heritage Bank	Weymouth, MA	$983.64M	$790.90M
50	Winchester Co-Operative Bank	Winchester, MA	$946.88M	$773.77M
51	Stonehambank, A Co-Operative Bank	Stoneham, MA	$918.26M	$773.16M
52	Greenfield Co-Operative Bank	Greenfield, MA	$901.81M	$800.00M
53	Mechanics Cooperative Bank	Taunton, MA	$898.76M	$679.58M
54	The Savings Bank	Wakefield, MA	$891.00M	$766.59M
55	Rollstone Bank & Trust	Fitchburg, MA	$816.33M	$677.26M
56	Monson Savings Bank	Monson, MA	$806.33M	$721.86M
57	Savers Co-Operative Bank	Southbridge, MA	$783.18M	$562.34M
58	The Bank Of Canton	Canton, MA	$782.54M	$661.12M
59	Clinton Savings Bank	Clinton, MA	$744.70M	$581.56M
60	Eagle Bank	Everett, MA	$708.98M	$617.80M
61	Middlesex Federal Savings, F.A.	Somerville, MA	$654.37M	$576.50M
62	Walpole Co-Operative Bank	Walpole, MA	$646.47M	$509.22M
63	Oneunited Bank	Boston, MA	$637.94M	$511.72M
64	Haverhill Bank	Haverhill, MA	$636.84M	$507.64M
65	Lee Bank	Lee, MA	$591.16M	$519.60M
66	Bay State Savings Bank	Worcester, MA	$580.27M	$513.71M
67	The Cooperative Bank	Roslindale, MA	$548.29M	$457.83M
68	Milford Federal Bank	Milford, MA	$545.08M	$451.53M
69	Dean Co-Operative Bank	Franklin, MA	$494.31M	$420.58M
70	Seamen'S Bank	Provincetown, MA	$478.45M	$405.38M
71	The Pittsfield Co-Operative Bank	Pittsfield, MA	$451.50M	$327.73M
72	North Brookfield Savings Bank	North Brookfield, MA	$448.68M	$383.20M
73	The National Grand Bank Of Marblehead	Marblehead, MA	$444.85M	$365.80M
74	Winter Hill Bank, FSB	Somerville, MA	$407.95M	$299.27M
75	Bankgloucester	Gloucester, MA	$386.87M	$304.18M
76	New Valley Bank & Trust	Springfield, MA	$384.97M	$321.39M
77	Charles River Bank	Medway, MA	$336.06M	$312.57M
78	Washington Savings Bank	Lowell, MA	$302.34M	$249.26M
79	Marblehead Bank	Marblehead, MA	$262.51M	$229.36M
80	Bank Of Easton	North Easton, MA	$249.00M	$222.48M
81	Commonwealth Co-Operative Bank	Hyde Park, MA	$205.00M	$140.59M
82	Wrentham Co-Operative Bank	Wrentham, MA	$192.62M	$175.78M
83	42 North Private Bank	Canton, MA	$182.16M	$144.42M
84	Canton Co-Operative Bank	Canton, MA	$154.82M	$127.19M
85	Millbury National Bank	Millbury, MA	$146.51M	$123.41M
86	Methuen Co-Operative Bank	Methuen, MA	$141.26M	$127.55M
87	Stoughton Co-Operative Bank	Stoughton, MA	$135.15M	$117.07M
88	Massmutual Private Wealth & Trust, FSB	Springfield, MA	$93.70M	$50.50M
89	North Cambridge Co-Operative Bank	Cambridge, MA	$87.08M	$60.28M

Credit unions headquartered in Massachusetts

#	Credit Union	Headquarters	Assets	Members
1	Rockland	Rockland, MA	$3.83B	224,919
2	Metro	Chelsea, MA	$3.30B	218,846
3	Workers	Littleton, MA	$2.49B	119,940
4	Brightbridge	LAWRENCE, MA	$2.36B	117,912
5	Jeanne D'Arc	Lowell, MA	$2.19B	102,484
6	Hanscom	Hanscom AFB, MA	$2.18B	97,310
7	Greylock	Pittsfield, MA	$1.79B	114,211
8	Webster First	Worcester, MA	$1.53B	85,320
9	Sharon & Crescent United	SHARON, MA	$1.40B	70,546
10	St. Anne'S	Fall River, MA	$1.35B	61,349
11	Harvard	Cambridge, MA	$1.24B	59,763
12	St. Mary'S	MARLBOROUGH, MA	$1.03B	57,336
13	All One	Leominster, MA	$880.80M	36,538
14	Central One	Shrewsbury, MA	$872.07M	39,412
15	Liberty Bay	Braintree, MA	$827.37M	21,624
16	Direct	Needham, MA	$794.73M	23,736
17	Polish National	Chicopee, MA	$776.90M	28,682
18	Freedom	SPRINGFIELD, MA	$763.98M	31,456
19	Gfa	Gardner, MA	$747.30M	33,661
20	Mass. Institute Of Tech.	Lexington, MA	$730.79M	35,749
21	Quincy	Quincy, MA	$729.40M	39,827
22	First Citizens'	FAIRHAVEN, MA	$705.88M	42,583
23	Umassfive College	Hadley, MA	$702.68M	51,576
24	Align	Lowell, MA	$650.94M	26,942
25	I-C	FITCHBURG, MA	$582.96M	37,756
26	City Of Boston	South Boston, MA	$544.48M	31,261
27	Millbury	Millbury, MA	$468.16M	30,023
28	Boston Firefighters	Dorchester, MA	$452.55M	12,150
29	Taunton	Taunton, MA	$440.46M	19,289
30	St. Jean'S	lynn, MA	$372.54M	18,167
31	Mass Bay	SOUTH BOSTON, MA	$366.73M	17,761
32	Members Plus	Medford, MA	$348.98M	13,688
33	Massmutual	SPRINGFIELD, MA	$344.48M	13,633
34	Fall River Municipal	Fall River, MA	$316.45M	13,069
35	Holyoke	Holyoke, MA	$296.36M	21,869
36	Alltrust	Fairhaven, MA	$280.16M	11,444
37	Somerset	Somerset, MA	$263.30M	11,724
38	Tremont	Boston, MA	$256.50M	12,712
39	Shrewsbury	SHREWSBURY, MA	$249.41M	9,729
40	Luso	Ludlow, MA	$244.62M	7,922
41	Southbridge	Southbridge, MA	$242.38M	11,342
42	Greater Springfield	SPRINGFIELD, MA	$230.29M	10,961
43	River Works	Lynn, MA	$192.92M	5,374
44	Alden	Chicopee, MA	$185.37M	12,473
45	Naveo	SOMERVILLE, MA	$176.27M	6,645
46	Homefield	NORTH GRAFTON, MA	$170.37M	6,865
47	New Bedford	New Bedford, MA	$168.74M	10,656
48	Pioneer Valley	Springfield, MA	$167.21M	11,651
49	Metrowest Community	Framingham, MA	$146.99M	6,832
50	First Priority	BOSTON, MA	$139.43M	6,076
51	Energy	West Roxbury, MA	$128.77M	5,609
52	Nesc	METHUEN, MA	$125.91M	7,879
53	Brotherhood	Lynn, MA	$125.23M	5,211
54	Luso-American	Peabody, MA	$123.02M	9,368
55	St. Michaels Fall River	Fall River, MA	$121.41M	3,151
56	Worcester	Worcester, MA	$107.33M	6,368
57	Common Trust	Woburn, MA	$100.82M	5,690
58	Tewksbury	Tewksbury, MA	$100.72M	6,043
59	Athol	Athol, MA	$99.18M	6,257
60	Westport	Westport, MA	$82.22M	6,196
61	Allcom	Worcester, MA	$81.81M	3,813
62	New England Teamsters	Charlestown, MA	$74.81M	3,989
63	Stoneham Municipal Employees	Stoneham, MA	$69.86M	4,111
64	Cranberry	West Wareham, MA	$63.35M	3,482
65	Southcoast	New Bedford, MA	$58.96M	4,298
66	Notre Dame Community	FALL RIVER, MA	$58.29M	3,103
67	Brookline Municipal	BROOKLINE, MA	$50.96M	2,478
68	Goldmark	Attleboro, MA	$50.18M	2,944
69	Somerville Municipal	Somerville, MA	$49.02M	2,176
70	Worcester Fire Dept.	WORCESTER, MA	$47.14M	2,063
71	Methuen	Methuen, MA	$41.75M	2,540
72	600 Atlantic	BOSTON, MA	$39.11M	1,438
73	St. Anthony Of Padua	Fall River, MA	$38.43M	1,698
74	The Andovers	Andover, MA	$36.88M	2,050
75	Alpha	Boston, MA	$35.08M	3,710
76	Norfolk Community	Norfolk, MA	$33.04M	3,581
77	Taupa Lithuanian	South Boston, MA	$32.07M	1,789
78	Mills42	Lowell, MA	$31.51M	2,956
79	Leominster Employees	LEOMINSTER, MA	$29.97M	1,703
80	Massachusetts Family	LYNN, MA	$29.65M	1,398
81	Htm	Haverhill, MA	$29.62M	1,787
82	Malden	Malden, MA	$29.41M	1,551
83	Lowell Firefighters	LOWELL, MA	$28.29M	1,848
84	Haverhill Fire Department	Haverhill, MA	$27.68M	1,192
85	Mycom	Pittsfield, MA	$26.73M	2,738
86	Beverly Municipal	Beverly, MA	$25.79M	1,916
87	Worcester Police Department	Worcester, MA	$25.47M	1,265
88	Attleboro M E	Attleboro, MA	$24.65M	1,512
89	Rah	RANDOLPH, MA	$23.92M	1,849
90	Billerica Municipal Employees	BILLERICA, MA	$23.56M	1,260
91	Somerville School Employees	Somerville, MA	$22.86M	1,280
92	Chelsea Employees	Chelsea, MA	$21.45M	2,262
93	Lynn Firemens	Lynn, MA	$20.11M	1,609
94	Santo Christo	FALL RIVER, MA	$18.54M	1,979
95	Cambridge Firefighters	Cambridge, MA	$14.17M	865
96	Marblehead Municipal	Marblehead, MA	$13.51M	1,237
97	Lynn Police	Lynn, MA	$11.69M	1,005
98	Burlington Municipal Employees	BURLINGTON, MA	$10.95M	1,155
99	Cambridge Municipal Employees	Cambridge, MA	$10.24M	1,296
100	Morton	taunton, MA	$10.09M	902

Counties in Massachusetts by bank deposits

Suffolk County ($381.17B)Middlesex County ($83.14B)Norfolk County ($50.79B)Essex County ($31.46B)Worcester County ($22.52B)Plymouth County ($18.55B)Bristol County ($16.67B)Hampden County ($14.06B)Barnstable County ($11.78B)Hampshire County ($6.56B)Berkshire County ($4.29B)Franklin County ($1.76B)Dukes County ($1.38B)Nantucket County ($1.26B)

Branch deposits: FDIC Summary of Deposits, June 30, 2026. Headquarters data: FDIC and NCUA, June 30, 2026.