Illinois · NCUA branch file, Q2 2026
Credit unions in Naperville, IL
5 credit unions have 7 offices in Naperville, Illinois, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. DuPage Credit Union has the most here (3); the largest by assets is Greenstate Credit Union at $10.9 billion.
| Credit union | Offices here | Assets | Net worth ratio | New auto rate | Based in |
|---|---|---|---|---|---|
| DuPage Credit Union | 3 | $600M | 9.61% | 4.50% | Naperville, IL |
| Greenstate Credit Union | 1 | $10.9B | 9.03% | 5.77% | North Liberty, IA |
| Great Lakes Credit Union | 1 | $1.4B | 9.07% | 7.37% | Bannockburn, IL |
| Illiana Financial Credit Union | 1 | $264M | 17.36% | 5.99% | Calumet City, IL |
| Services Credit Union | 1 | $407K | 69.22% | – | Naperville, IL |
Rates are what each credit union reported to NCUA for new auto loans, not offers. All Illinois credit union loan rates.
Addresses, phone numbers and hours
DuPage Credit Union
- Operations Center 1515 Bond St, Naperville, IL 60563 Main office
- Naperville Branch 790 Royal Saint George Dr Ste 146, Naperville, IL 60563 Drive-through · ATM
- Operations Center II Brookdale 1935 Brookdale Rd Ste 119, Naperville, IL 60563
Greenstate Credit Union
- Route 59 2920 83Rd St, Naperville, IL 60564 Drive-through · ATM
Great Lakes Credit Union
- Naperville Branch 1727 Freedom Dr, Naperville, IL 60563 ATM
Illiana Financial Credit Union
- Naperville 1163 E Ogden Ave Ste 711, Naperville, IL 60563
Services Credit Union
- Illinois Credit Union League 1807 W Diehl Rd, Naperville, IL 60563 Main office · ATM
Addresses, phones and hours are as each credit union filed them with NCUA; confirm before you visit. Not affiliated with NCUA or any credit union.
Other cities in Illinois
- Chicago 49
- Peoria 9
- Springfield 12
- Moline 10
- Decatur 9
- Rockford 8
- Bloomington 8
- Gurnee 7
- Danville 5
- Aurora 7
- Normal 5
- Loves Park 6
- Waukegan 3
- North Chicago 3
- Edwardsville 5
- Granite City 4
Every Illinois city · All Illinois credit unions
Questions people ask
How many credit unions are in Naperville, IL?
NCUA's branch file for Q2 2026 lists 7 credit union offices in Naperville, run by 5 credit unions, 2 of them headquartered in the city.
Which credit union has the most branches in Naperville?
DuPage Credit Union, with 3 offices in Naperville. The largest credit union with an office here is Greenstate Credit Union, with $10.9 billion in assets.
Can I join a credit union in Naperville?
Each credit union serves a defined field of membership, often people who live or work in an area, employees of certain companies, or members of an association. Check the credit union's own eligibility rules. Some credit unions are open to anyone in the US through an association or a small donation.