UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549

                                FORM N-PX

           ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED
                      MANAGEMENT INVESTMENT COMPANY


Investment Company Act File Number 811-02688

Name of Fund:  BlackRock Municipal Bond Fund, Inc.
                   BlackRock Municipal Insured Fund
                   BlackRock National Municipal Fund
                   BlackRock Short-Term Municipal Fund
                   BlackRock High Yield Municipal Fund

Fund Address:  P.O. Box 9011
               Princeton, NJ  08543-9011

Name and address of agent for service:
       Robert C. Doll, Jr., Chief Executive Officer, BlackRock Municipal Bond
       Fund, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536.  Mailing
       address:  P.O. Box 9011, Princeton, NJ, 08543-9011

Registrant's telephone number, including area code:  (609) 282-2800

Date of fiscal year end: 06/30

Date of reporting period: 07/01/06 - 06/30/07

Item 1 - Proxy Voting Record - The Fund held no voting securities during the
                               period covered by this report.
                               No records are attached.


Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.


By:     /s/ Robert C. Doll, Jr.
       -----------------------
       Robert C. Doll, Jr.
       Chief Executive Officer
       BlackRock Municipal Bond Fund, Inc.


Date: August 13, 2007