Naperville, Illinois

Banks & credit unions in Naperville

25 federally insured institutions operate a branch in Naperville, Illinois, across 45 locations.

Each institution’s branch count below is for Naperville only. Select one to see its branches in this town.

#	Institution	Type	Branches in Naperville	Total assets
1	JPMorgan Chase Bank, National Association	Bank	5	$4.02T
2	PNC Bank, National Association	Bank	4	$567.95B
3	The Huntington National Bank	Bank	4	$284.14B
4	BMO Bank National Association	Bank	4	$251.96B
5	Bank of America, National Association	Bank	3	$2.67T
6	Citibank, National Association	Bank	3	$1.93T
7	U.S. Bank National Association	Bank	3	$683.38B
8	Fifth Third Bank, National Association	Bank	3	$296.12B
9	Wheaton Bank & Trust, National Association	Bank	3	$4.46B
10	Dupage	Credit union	3	$595.9M
11	Busey Bank	Bank	2	$18.01B
12	First American Bank	Bank	2	$8.22B
13	Wells Fargo Bank, National Association	Bank	1	$1.85T
14	Old National Bank	Bank	1	$72.61B
15	Greenstate	Credit union	1	$11.19B
16	Byline Bank	Bank	1	$9.89B
17	Hanmi Bank	Bank	1	$7.79B
18	Old Second National Bank	Bank	1	$6.85B
19	Lakeside Bank	Bank	1	$2.86B
20	Republic Bank of Chicago	Bank	1	$2.54B
21	Great Lakes	Credit union	1	$1.44B
22	Cornerstone National Bank & Trust Company	Bank	1	$1.02B
23	First Secure Community Bank	Bank	1	$528.4M
24	Illiana Financial	Credit union	1	$262.7M
25	Services	Credit union	1	$405K

Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026