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The First Midwest Bank Routing Number is 071901604. See it on a check.


  • Exclusive access to our best savings and money market rates with our Diamond Savings and Diamond Money Market accounts
  • Special relationship rates on CDs
  • $250 Mortgage closing cost rebate4
  • Tiered interest5 – higher balances earn higher rates

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  • Priority Customer Service for expedited phone service
  • Upgrade to World Debit Mastercard®
  • Free single style First Midwest Exclusive Wallet Checks & $10 off other select styles6
  • 4 free non-First Midwest Bank and/or non-Allpoint® ATM transactions per statement period2
  • 50% off Safe Deposit box7
  • Image Statement Fee is waived
  • Diamond Savings Account’s monthly maintenance fee waived8
  • Free teller services:
    • Official checks
    • Money orders
    • Notary services
    • Signature guarantees

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$20 monthly fee is waived ($0) for clients who meet one of the following requirements:

  1. Maintain a Mortgage, Home Equity Loan or Line, Personal Trust or Private Banking relationship,9 OR
  2. Maintain a $25,000 combined Average Daily Balance in First Midwest checking, savings, money market Accounts and/or Certificate of Deposits, OR
  3. Maintain a First Midwest Financial Network relationship with a minimum of $25,000 in invested balances.10

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Not the right account for you? View our other checking account options.


Diamond Checking account customers who are smiling and sailing their boat

Get the Most from Your First Midwest Checking Relationship

With Diamond Checking you receive exclusive access to our best savings and money market rates with our Diamond Savings and Diamond Money Market accounts. Plus, you will earn tiered interest rates, so the higher your balance – the more you can earn.

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Ordering checks online is quick and easy!

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Add momentum to your banking routine with 24/7 access to your money with free online and mobile banking.

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Build your legacy. Customize a wealth management plan that includes your business and personal finances.

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1 Online account opening is available to residents of Illinois, Indiana, Iowa, and Wisconsin. $100 minimum deposit required to open an account.
2 No ATM Transaction Fees for the first four (4) non-First Midwest Bank and/or non-Allpoint® ATM transactions (other ATM operators’ ATM fees may apply). A $3 ATM Transaction Fee will apply to each transaction exceeding four (4) per Analysis Period.
3 Not available for Health Savings Accounts. Subject to credit approval. Property insurance is required on loans secured by a property. Cannot be combined with other rebates, discounts, or promotional offers on a single loan number. Discount requires auto payment set up from a First Midwest checking Account. Does not apply to Home Equity Lines of Credit, unsecured loans, Ready Cash, and Certificate of Deposit Secured Loans.
4 Subject to credit approval. Property insurance is required on loans secured by property. Cannot be combined with other rebates, discounts, or promotional offers on a single loan number. Rebate may take up to 120 days to appear in your account. Rebate may be subject to IRS tax reporting.
5 For balance tier ranges and the interest rate paid on your Account, please refer to the Bank’s current deposit rate sheet at or contact our Customer Care Center at 800.322.3623.
6 Additional fees will apply for duplicate checks.
7 Rental discount with auto payment from your Diamond Checking Account on one Safe Deposit Box. Discount can be applied to largest Safe Deposit Box owned.
8 For each month there is an automatic savings transfer of $50 or more from your Diamond Checking Account to your Diamond Savings Account, the Diamond Savings Account’s Monthly Maintenance Fee will be waived.
9 Private Banking clients are subject to certain minimum relationship standards. For more information, please contact a Private Banking Officer.

10 Securities and advisory services are offered through LPL Financial (LPL), a registered investment advisor and broker-dealer (member FINRA/SIPC). Insurance products are offered through LPL or its licensed affiliates. Old National Bank and Old National Investments are not registered as a broker-dealer or investment advisor. Registered representatives of LPL offer products and services using Old National Investments, and may also be employees of Old National Bank. These products and services are being offered through LPL or its affiliates, which are separate entities from, and not affiliates of, Old National Bank or Old National Investments. Securities and insurance offered through LPL or its affiliates are:

Not Insured by FDIC or Any Other Government Agency Not Bank Guaranteed Not Bank Deposits or Obligations May Lose Value

The site is designed for U.S. residents only, and the services offered within this site are available exclusively through our U.S. registered representatives. LPL Financial U.S. registered representatives may only conduct business with residents of the states for which they are properly registered. Please note that not all of the investments and services mentioned are available in every state.

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Zelle and the Zelle related marks are wholly owned by Early Warning Services, LLC, and are used herein under license.