Trends · data through September 2026

Banks & Credit Unions in Illinois

Iceflower tracks 226 stores from 123 banks & credit unions in Illinois. Associated Bank grew fastest over the last year, ahead of Abri Credit Union and Scott 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: 123
Tracked stores: 226
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	▲1	+12.4%
2	A Abri Credit Union	▲1	+10.9%
3	S Scott Credit Union	▲1	+8.5%
4	C Consumers Credit Union	-	+6.9%
5	F Financial Plus Credit Union	▲2	+5.3%
6	U U.S. Bank	▲1	+2.5%
7	G Great Lakes Credit Union	-	-6.0%
8	C Chase	-	-7.7%
9	S SIU Credit Union	-	-9.7%
10	F First Community Credit Union	▼2	-11.4%
11	1 1st Mid America Credit Union	▲1	-14.3%
12	B Byline Bank	▲1	-14.4%
13	F First American Bank	▼1	-24.5%
14	N Northern Trust	-	-32.6%
15	B Bank of America ATM	▼1	-56.7%

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

226 tracked store locations in Illinois. 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 B Bank of America ATM 6
6 N NuMark Credit Union 6
7 F First American Bank 6
8 E Earthmover Credit Union 5
9 F First Community Credit Union 5
10 1 1st Mid America Credit Union 4
11 S Scott Credit Union 4
12 F Fifth Third Bank 4
13 A Abri Credit Union 4
14 A Associated Bank 4
15 B Byline Bank 3
16 N Northern Trust 3
17 B Busey Bank 3
18 C Chase 3
19 F Financial Plus Credit Union 3
20 B Blackhawk Bank 3
21 S SIU Credit Union 3
22 F FCB Banks 2
23 C Corporate America Family Credit Union 2
24 1 1st MidAmerica Credit Union 2
25 C Commerce Bank 2
26 R Rock Valley Credit Union 2
27 W West Suburban Bank 2
28 S State Street 2
29 U United Community 2
30 M Midwest Bank 2
31 B BMO Harris Bank 2
32 R Republic Bank of Chicago 2
33 B Bank of America 2
34 N Navy Federal Credit Union 2
35 C Community Bank of Elmhurst 2
36 C Catholic & Community Credit Union 2
37 O Old Second National Bank 2
38 D DuPage Credit Union 2
39 C Community Trust Credit Union 1
40 G GenFed Financial Credit Union 1
41 B Blackhawk Bank & Trust 1
42 B Belmont Bank & Trust 1
43 C Chapter 13 1
44 P Peoples State Bank 1
45 U United Credit Union 1
46 D Dupaco Community Credit Union 1
47 R Riverside Bank 1
48 H Heartland Bank and Trust Company 1
49 W Waukegan Community Bank 1
50 S Shorewood Bank & Trust 1

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