Credit union · NCUA insured
Credit Union 1
Top CarrotA $2.6B credit union, the 201st largest of 4,329, headquartered in Lombard, IL, with 167,836 members and 42 branches in 9 states. Best rates: CDs 3.85% and savings 2.00% APY.
Credit Union 1 Carrot Score
Carrot ScoreTop Carrot
Higher than 78% of U.S. banks and credit unions
#30 of 124 in Chicago, IL-IN metroHow the score works →
Deposits are federally insured by the NCUA up to $250,000 per depositor.
About Credit Union 1
Founded in 1958 to serve personnel from Chanute Air Force Base in Rantoul, Illinois, Credit Union 1 is a member-owned credit union.
The credit union serves members across a national footprint including Illinois, Indiana, Nevada, Georgia, Florida, Wisconsin, Minnesota, and beyond.
- Headquarters
- 450 E 22nd St Ste 250, Ste 250, Lombard, IL 60148-6176
- NCUA charter
- 68727
Membership
Who can join
This may be incomplete or out of date, so check with the credit union before you apply.
Open to anyone
- Anyone not otherwise eligible can qualify for membership by making a $5 donation to the Credit Union 1 Educational Development Association (CU1EDA).
Cost to join
- An initial account deposit of $5 is required.
- A $5 donation to the Credit Union 1 Educational Development Association (CU1EDA) is required when joining via CU1EDA.
- A one-time $5 membership fee is required.
Branches
42 branches in 9 states
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Illinois
21 branches
Chicago area · 17
- Main OfficeMain office100 E Erie St, Chicago, IL 60611Directions
- Credit Union 1Main office450 E 22nd St Ste 250, Ste 250, Lombard, IL 60148Directions
- Burnham13912 S Torrence Ave, Burnham, IL 60633Directions
- Archer Heights6554 W Archer Ave, Chicago, IL 60638Directions
- Dearborn230 S Dearborn St Ste 2962, Chicago, IL 60604Directions
- East Side Branch11615 S Avenue O, Chicago, IL 60617Directions
- Lincoln Park2030 N Halsted St, Chicago, IL 60614Directions
- Uic East Halsted750 S Halsted St Rm 220C, Chicago, IL 60607Directions
- Uic West Polk828 S Wolcott Ave Rm 120N, Chicago, IL 60612Directions
- Stickney Branch Office6001 W Pershing Rd, Cicero, IL 60804Directions
- Evergreen Park9441 S Kedzie Ave, Evergreen Park, IL 60805Directions
- Homewood2005 Ridge Rd Ste 1, Homewood, IL 60430Directions
- Matteson4749 Lincoln Mall Dr Ste 101, Matteson, IL 60443Directions
- Loyola2160 S 1st Ave Rm 903, Maguire Building, Maywood, IL 60153Directions
- Northlake Branch6 W North Ave, Northlake, IL 60164Directions
- Oak Lawn4625 W 107th St, Oak Lawn, IL 60453Directions
- Vernon Hills836 N Milwaukee Ave, Vernon Hills, IL 60061Directions
Ottawa area · 2
- Illinois Valley Credit UnionMain office1311 Shooting Park Rd, Peru, IL 61354Directions
- Illinois Valley Credit Union200 Ace Rd Ste 1, Princeton, IL 61356Directions
Champaign area · 1
- Credit Union 1200 E Champaign Ave, Rantoul, IL 61866Directions
Springfield area · 1
- Springfield2464 Wabash Ave, Springfield, IL 62704Directions
Minnesota
7 branches
St. Cloud area · 6
- Foley161 Glen St, Foley, MN 56329Directions
- Sartell1725 Pine Cone Rd S, Sartell, MN 56377Directions
- Sauk Center214 12th St S, Sauk Centre, MN 56378Directions
- Sauk Rapids4 2nd Ave N, Sauk Rapids, MN 56379Directions
- St. Cloud1532 W Saint Germain St, St. Cloud, MN 56301Directions
- Waite Park206 1st St S, Waite Park, MN 56387Directions
Minneapolis area · 1
- Big Lake18146 198th Ave NW, Big Lake, MN 55309Directions
Indiana
5 branches
South Bend area · 4
- Mishawaka3630 Edison Lakes Pkwy, Mishawaka, IN 46545Directions
- Bendix1112 N Bendix Dr, South Bend, IN 46628Directions
- Ireland1404 E Ireland Rd, South Bend, IN 46614Directions
- South Bend1234 N Eddy St, Ste 101, South Bend, IN 46617Directions
Chicago area · 1
- Hobart680 N Union St, Hobart, IN 46342Directions
Georgia
4 branches
Atlanta area · 3
- Carrollton1200 S Park St, Carrollton, GA 30117Directions
- Decatur office1237 Clairmont Rd, Decatur, GA 30030Directions
- Cartersville317 Covered Bridge Rd SW, Euharlee, GA 30120Directions
Summerville area · 1
- Summeville76 Georgia Ave, Summerville, GA 30747Directions
Florida
1 branch
- Bradenton604 13th Ave E, Bradenton, FL 34208Directions
Michigan
1 branch
- Niles1012 S 11th St, Niles, MI 49120Directions
North Dakota
1 branch
- Minot2401 N Broadway, Minot, ND 58703Directions
Nevada
1 branch
- 2651 Paseo Verde Parkway2651 Paseo Verde Pkwy, Henderson, NV 89074Directions
Wisconsin
1 branch
- Brookfield15850 W Bluemound Rd, Brookfield, WI 53005Directions
Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.
Financial details
| Measure | This credit union | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalNet worth ratio | 10.91% | 10.86% | 12.59% or more |
| Troubled loans60+ days late | 1.35% | 0.70% | 0.46% or less |
| ProfitabilityReturn on assets | 1.72% | 0.82% | 1.16% or more |
| LendingLoans per $100 deposited | $80 | $88 | — |
- CapitalNet worth ratio10.91%Peers’ middle 10.86% · Top 25% 12.59%+
- Troubled loans60+ days late1.35%Peers’ middle 0.70% · Top 25% ≤0.46%
- ProfitabilityReturn on assets1.72%Peers’ middle 0.82% · Top 25% 1.16%+
- LendingLoans per $100 deposited$80Peers’ middle $88
Compared with the 479 credit unions with $1 billion or more in assets. The strongest quarter is what the best 25% of them reach: more capital and profit, fewer troubled loans. Lending has no better end.Troubled loans are loans 60 or more days late.
Regulators’ own ratings of Credit Union 1 are confidential. These figures are what it reports to the NCUA each quarter, set beside its peers; they aren’t a rating.