UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                    FORM 8-K

                                 CURRENT REPORT
     Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported) April 25, 2007

                                COLUMBIA BANCORP
             (Exact name of registrant as specified in its charter)

               Oregon                     0-27938             93-1193156
    (State or other jurisdiction        (Commission          (IRS Employer
          of incorporation)             File Number)      Identification No.)

                        401 East Third Street, Suite 200,
                            The Dalles, Oregon 97058
                    (Address of principal executive offices)

       (541) 298-6649 (Registrant's telephone number, including area code)

                                 Not Applicable
          (Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

|_|   Written communications pursuant to Rule 425 under the Securities Act (17
      CFR 230.425)

|_|   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14a-12)

|_|   Pre-commencement communications pursuant to Rule 14d-2(b) under the
      Exchange Act (17 CFR 240.14d-2(b))

|_|   Pre-commencement communications pursuant to Rule 13e-4(c) under the
      Exchange Act (17 CFR 240.13e-4(c))





Item 2.02. Results of Operations and Financial Condition

On April 25, 2007, Columbia Bancorp (the "Company") announced its financial
results for the first quarter ended March 31, 2007. A copy of the press release
is furnished as Exhibit 99.1 to this report and incorporated by reference. Item
9.01. Exhibits. (c) Exhibits

99.1 Press Release dated April 25, 2007.

                                   SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                     /s/ Roger L. Christensen
                                     ------------------------------------------
Dated:  April 25, 2007               Roger L. Christensen, President and
                                     Chief Executive - Columbia River
                                     Bank; President and Chief Executive
                                     Officer - Columbia Bancorp

                                     /s/ Greg B. Spear
                                     ------------------------------------------
Dated:   April 25, 2007              Greg B. Spear, Executive Vice
                                     President, Chief Financial Officer
                                     - Columbia River Bank; and Chief
                                     Financial Officer - Columbia Bancorp


Exhibit 99.1      Press Release of the Registrant