Banks in Nassau County, New York
338 active bank branches operated by 32 institutions, per FDIC records.
Active branches
338
Banks present
32
Deposits (2026)
$99.1B
Closings since 2020
95
16 openings
Largest banks by deposits in Nassau County (2026)
| Bank | Deposits | Share | Branches |
|---|---|---|---|
| Chase Bank | $22.3B | 22.5% | 60 |
| Santander Bank | $18.4B | 18.6% | 24 |
| Citibank | $11.4B | 11.5% | 37 |
| TD Bank | $8.3B | 8.4% | 31 |
| Bank of America | $6.8B | 6.8% | 31 |
| Flagstar Bank | $6.6B | 6.7% | 28 |
| OceanFirst Bank | $3.4B | 3.4% | 5 |
| Capital One | $3.3B | 3.4% | 14 |
| Esquire Bank | $2.2B | 2.2% | 2 |
| Apple Bank | $2.2B | 2.2% | 11 |
Deposit location reflects the office to which deposits are reported and may not represent the residence of depositors.
Cities and towns
- Great Neck (18)
- Garden City (18)
- New Hyde Park (15)
- Hicksville (15)
- Plainview (12)
- Syosset (10)
- Valley Stream (10)
- Jericho (10)
- Franklin Square (10)
- Merrick (9)
- Rockville Centre (9)
- Westbury (9)
- Massapequa (9)
- Oceanside (8)
- Port Washington (8)
- Glen Cove (8)
- East Meadow (8)
- Manhasset (8)
- Hewlett (7)
- Wantagh (7)
- Levittown (6)
- Hempstead (6)
- Mineola (6)
- Woodbury (6)
- Long Beach (5)
- Massapequa Park (5)
- Williston Park (5)
- Garden City Park (5)
- Cedarhurst (5)
- Roslyn (4)
- Freeport (4)
- Roslyn Heights (4)
- Lawrence (4)
- Bellmore (4)
- Floral Park (4)
- Bethpage (4)
- Uniondale (4)
- Lynbrook (4)
- Greenvale (4)
- Glen Head (4)
- Baldwin (4)
- Oyster Bay (3)
- Elmont (3)
- Locust Valley (3)
- Carle Place (3)
- Farmingdale (2)
- West Hempstead (2)
- Malverne (2)
- East Norwich (2)
- Inwood (1)
- South Hempstead (1)
- Lake Success (1)
- North Bellmore (1)
- North Massapequa (1)
- Mineloa (1)
- Albertson (1)
- Seaford (1)
- Sea Cliff (1)
- Garden City South (1)
- Woodmere (1)
- East Rockaway (1)
- Bayville (1)
Transcribed from FDIC BankFind Suite active-location records and the annual Summary of Deposits. County assignment follows the FDIC branch record.