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Size ranking · Illinois · NCUA 5300 data as of Q2 2026

Largest Credit Unions in Illinois by Total Assets

Credit unions are ranked by headquarters state: this list covers the 185 credit unions headquartered in Illinois, by total assets. Alliant Credit Union is the largest, with $20.01B in total assets and 953,370 members as of June 30, 2026, from its NCUA 5300 call report.

Largest in Illinois
Alliant Credit Union
Its total assets
$20.01B
Credit unions in Illinois
185
Their combined assets
$76.75B

The 100 largest credit unions in Illinois

Select a column heading to sort. Ranked within Illinois by total assets, Q2 2026. The full list of 185 is on the Illinois credit union directory.

Credit unions headquartered in Illinois ranked by total assets, Q2 2026, with city, members and net worth ratio.
1 Alliant Credit Union Chicago $20.01B 953,370 9.17%
2 Citizens Equity First Credit Union Peoria $8.50B 423,526 11.65%
3 Baxter Credit Union Vernon Hills $6.40B 372,377 10.25%
4 State Farm Federal Credit Union Bloomington $5.71B 113,388 13.03%
5 Consumers Credit Union Lake Forest $4.64B 287,338 8.96%
6 Credit Union 1 Rantoul $2.87B 172,066 10.91%
7 I. H. Mississippi Valley Credit Union Moline $2.30B 149,553 9.12%
8 Empeople Credit Union Moline $2.26B 74,228 8.31%
9 Scott Credit Union Edwardsville $1.85B 131,312 10.14%
10 Great Lakes Credit Union Bannockburn $1.43B 100,624 9.07%
11 Vibrant Credit Union Moline $1.19B 69,887 8.04%
12 Selfreliance Federal Credit Union Chicago $1.19B 47,153 12.27%
13 Abbott Laboratories Employees Credit Union Gurnee $1.14B 32,983 14.49%
14 1st Midamerica Credit Union Bethalto $1.01B 64,586 13.33%
15 Alero Financial Credit Union Elgin $953.5M 65,426 11.95%
16 Numark Credit Union Joliet $932.2M 62,044 10.24%
17 University of Illinois Community Credit Union Champaign $765.5M 65,320 9.93%
18 National Police Federal Credit Union Chicago $620.7M 42,634 8.86%
19 Financial Plus Credit Union Ottawa $607.4M 46,216 13.24%
20 Dupage Credit Union Naperville $600.2M 49,845 9.61%
21 Siu Credit Union Carbondale $591.3M 46,485 11.56%
22 Heartland Credit Union Springfield $573.7M 35,845 13.74%
23 Revity Credit Union Granite City $526.5M 37,037 10.40%
24 Land of Lincoln Credit Union Decatur $498.9M 35,747 9.81%
25 Healthcare Associates Credit Union Lisle $481.6M 29,473 14.53%
26 Earthmover Credit Union Oswego $471.7M 31,326 19.34%
27 Streator Onized Credit Union Streator $423.3M 38,405 15.58%
28 I a a Credit Union Bloomington $415.0M 18,281 14.04%
29 Partnership Financial Credit Union Morton Grove $402.9M 14,456 12.30%
30 Abri Credit Union Romeoville $380.8M 27,813 11.76%
31 Community Trust Credit Union Gurnee $336.4M 13,356 11.94%
32 First Northern Credit Union Chicago $333.2M 21,253 11.31%
33 Decatur Earthmover Credit Union Forsyth $310.3M 20,450 11.64%
34 Membersalliance Credit Union Rockford $303.6M 22,262 9.38%
35 Illiana Financial Credit Union Calumet City $264.2M 20,860 17.36%
36 Illinois State Credit Union Normal $248.6M 18,999 10.74%
37 Staley Credit Union Decatur $228.5M 17,269 11.83%
38 Midwest Members Credit Union Wood River $226.6M 17,463 13.58%
39 Catholic and Community Credit Union Shiloh $222.7M 13,281 10.21%
40 Cooperative Choice Network Credit Union Peoria $205.9M 12,369 12.72%
41 Vicinity Credit Union Chicago $203.9M 17,491 8.19%
42 Cornerstone Credit Union Freeport $176.6M 12,452 9.97%
43 Rock Valley Credit Union Loves Park $174.4M 15,839 11.50%
44 United Community Credit Union Quincy $134.1M 10,467 15.41%
45 Gas and Electric Credit Union Rock Island $132.1M 5,547 10.32%
46 Commonwealth Credit Union Bourbonnais $128.1M 9,731 13.23%
47 Illinois State Police Federal Credit Union Springfield $126.9M 5,997 10.35%
48 Central Credit Union of Illinois Bellwood $122.7M 10,172 14.28%
49 Illinois Educators Credit Union Springfield $120.3M 10,026 10.59%
50 Landmark Credit Union Danville $119.1M 9,455 9.92%
51 A a E C Credit Union Arlington Heights $118.9M 4,538 13.03%
52 Members First Community Credit Union Quincy $111.6M 7,545 25.42%
53 Chicago Firefighter Credit Union Chicago $92.9M 6,495 14.11%
54 Taylorville Community Credit Union Taylorville $90.8M 7,413 12.56%
55 The Credit Union for All Bloomington $89.6M 8,027 7.80%
56 Metro Federal Credit Union Arlington Heights $80.0M 3,310 9.64%
57 Select Employees Credit Union Sterling $78.6M 5,876 12.63%
58 Midwest Coalition of Labor Credit Union Countryside $77.1M 8,676 15.47%
59 Education Personnel Federal Credit Union Danville $74.3M 4,270 12.26%
60 Gale Credit Union Galesburg $73.7M 4,770 10.62%
61 Northwest Community Credit Union Morton Grove $66.6M 2,365 9.44%
62 United Equity Credit Union Decatur $66.2M 5,645 18.66%
63 Moline Municipal Credit Union Moline $66.0M 2,910 13.85%
64 A C M E Continental Credit Union Riverdale $62.5M 4,816 17.09%
65 Fieldstone Credit Union Bradley $61.7M 4,843 14.01%
66 New Century Federal Credit Union Joliet $60.2M 4,567 13.89%
67 Access Credit Union Broadview $57.9M 4,804 13.96%
68 Galesburg Burlington Credit Union Galesburg $56.8M 3,664 28.51%
69 Altonized Community Federal Credit Union Alton $53.1M 5,606 8.74%
70 Riverside Community Credit Union Kankakee $52.0M 3,544 10.87%
71 Maroon Financial Credit Union Chicago $51.9M 6,949 13.87%
72 Bloomington Municipal Employees Credit Union Bloomington $45.7M 2,250 13.50%
73 Fox Valley Credit Union Aurora $45.5M 3,417 15.81%
74 Streator Community Credit Union Streator $42.3M 2,402 10.97%
75 Northwest Municipal Federal Credit Union Des Plaines $41.4M 1,774 13.68%
76 Planites Credit Union Chicago $39.8M 3,897 11.28%
77 Blackhawk Area Credit Union Savanna $39.1M 3,791 13.41%
78 Sherwin Williams Employees Credit Union South Holland $37.0M 2,976 13.64%
79 Service Plus Credit Union Moline $34.7M 1,596 12.29%
80 Canals & Trails Credit Union Lockport $34.2M 3,103 11.14%
81 Area Educational Credit Union Mattoon $33.7M 2,325 20.35%
82 Siue Credit Union Edwardsville $30.7M 1,634 10.56%
83 Elca Federal Credit Union Chicago $30.1M 2,389 10.92%
84 River to River Credit Union Vienna $29.7M 2,483 14.65%
85 Kaskaskia Valley Credit Union Centralia $29.4M 3,680 7.91%
86 Community Plus Federal Credit Union Rantoul $28.1M 3,565 18.35%
87 Chicago Post Office Employees Credit Union Chicago $27.9M 4,921 22.22%
88 S D C Employees Credit Union Kankakee $27.7M 4,002 10.68%
89 Elite Community Credit Union Bourbonnais $26.5M 2,254 8.77%
90 Aurora Policemen Credit Union Aurora $26.3M 1,613 15.33%
91 Central Illinois Credit Union Champaign $26.1M 3,566 12.26%
92 Western Illinois School Employees Credit Union Quincy $24.0M 1,691 16.08%
93 Tee-Pak Credit Union Danville $23.8M 2,276 16.28%
94 Advantage One Credit Union Morrison $23.5M 2,382 11.84%
95 Generations Credit Union Rockford $22.4M 2,064 16.38%
96 Chicago Firemans Association Credit Union Chicago $21.4M 3,016 15.12%
97 Harvard Community Credit Union Harvard $21.1M 3,291 6.46%
98 Kone Employees Credit Union Moline $20.7M 1,728 17.47%
99 Bloomington Postal Employees Credit Union Bloomington $20.4M 1,341 19.54%
100 Northern Illinois Federal Credit Union Dekalb $18.0M 2,210 14.65%

Frequently asked questions

What is the largest credit union in Illinois?

Alliant Credit Union is the largest credit union headquartered in Illinois by total assets, with $20.01B and 953,370 members as of June 30, 2026, according to its NCUA 5300 call report. Citizens Equity First Credit Union ranks second with $8.50B.

How many credit unions are in Illinois?

185 active federally insured credit unions headquartered in Illinois filed an NCUA 5300 call report for Q2 2026, with combined total assets of $76.75B. A credit union based in another state can still have branches and members in Illinois.

How are credit unions in Illinois ranked?

Each credit union is placed in the state of its headquarters and ranked by total assets (NCUA 5300 Account 010) from its latest quarterly call report. A credit union that has merged or closed since it filed is excluded.

Largest credit unions in other states

More in Illinois

Illinois credit union directory Largest banks in Illinois List of credit unions by asset size

Credit unions are insured by the National Credit Union Share Insurance Fund, not the FDIC. Search every one in the credit union directory.