Trends · data through September 2026

Banks & Credit Unions in Chicago-Naperville-Elgin, IL-IN

Iceflower tracks 165 stores from 81 banks & credit unions in Chicago-Naperville-Elgin, IL-IN. Associated Bank grew fastest over the last year, ahead of Abri Credit Union and Consumers Credit Union.

Rankings come from real card and bank transactions across a panel of 130M+ US and EU consumers. We publish relative growth and rankings, never revenue figures. About the data

Tracked chains: 81
Tracked stores: 165
Consumer panel: 130M+

Growth ranking

Fastest-growing tracked banks & credit unions

Ranked by year-over-year growth of share of tracked local spend. Arrows show movement in the rankings since last year. Each dot in the chart is one tracked chain: bigger market position to the right, faster growth higher up, more tracked stores in a bigger dot. Colors match the store map below. Associated Bank and Abri Credit Union sit in the high-growth half.

# Chain YoY growth

Rank	Chain	Rank movement	YoY growth
1	A Associated Bank	▲2	+16.8%
2	A Abri Credit Union	▲1	+15.2%
3	C Consumers Credit Union	-	+11.0%
4	U U.S. Bank	▲1	+6.5%
5	G Great Lakes Credit Union	-	-2.3%
6	C Chase	-	-4.1%
7	B Byline Bank	▲2	-11.1%
8	E Everwise Credit Union	▼1	-20.7%
9	F First American Bank	▼1	-21.5%
10	N Northern Trust	▼1	-30.0%
11	B Bank of America ATM	▼1	-55.1%
12	F Fifth Third Bank	▼2	-66.4%

Earthmover Credit Union
Consumers Credit Union
Great Lakes Credit Union
DuPage Credit Union
Oxford Financial
Abri Credit Union
First American Bank
Other tracked chains

Store footprint

Store map

165 tracked store locations in Chicago-Naperville-Elgin, IL-IN. The 7 largest tracked chains are highlighted.

Earthmover Credit Union (5)
Consumers Credit Union (7)
Great Lakes Credit Union (12)
DuPage Credit Union (2)
Oxford Financial (1)
Abri Credit Union (4)
First American Bank (6)
Other tracked chains

Top tracked chains by store count

1 G Great Lakes Credit Union 12
2 U U.S. Bank 11
3 H Huntington Bank 8
4 C Consumers Credit Union 7
5 F First American Bank 6
6 N NuMark Credit Union 6
7 E Earthmover Credit Union 5
8 E Everwise Credit Union 5
9 B Bank of America ATM 5
10 A Abri Credit Union 4
11 F Fifth Third Bank 4
12 C Chase 3
13 N Northern Trust 3
14 A Associated Bank 3
15 B Byline Bank 3
16 B Busey Bank 3
17 F First Merchants Bank 2
18 D DuPage Credit Union 2
19 W West Suburban Bank 2
20 B Blackhawk Bank 2
21 F Financial Plus Credit Union 2
22 B Bank of America 2
23 R Republic Bank of Chicago 2
24 U US #1364 Federal Credit Union 2
25 O Old Second National Bank 2
26 B BMO Harris Bank 2
27 C Community Bank of Elmhurst 2
28 C Corporate America Family Credit Union 2
29 C Community Trust Credit Union 1
30 G Gurnee Community Bank 1
31 B Belmont Bank & Trust 1
32 U United Credit Union 1
33 R Riverside Bank 1
34 O Oxford Financial 1
35 H Heartland Bank and Trust Company 1
36 T Trustmark 1
37 W Waukegan Community Bank 1
38 H HealthCare Associates Credit Union 1
39 N North Side Federal 1
40 K Kentland Bank 1
41 M Marquette Bank 1
42 F Forest Park Bank 1
43 R Resource Bank 1
44 C Centier Bank 1
45 C Capital One 1
46 W Wheaton Bank & Trust 1
47 R Royal Bank 1
48 E Evergreen Bank Group 1
49 M Merrill Lynch Wealth Management 1
50 S Schaumburg Bank & Trust 1

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