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000 A000000 06/30/98
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001 A000000 COLUMBIA MUNICIPAL BOND FUND, INC.
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002 A000000 1301 SW FIFTH AVENUE
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003 000000 N
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013 B020001 OR
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022 A000001 SMITH BARNEY SHEARSON
022 B000001 131912900
022 C000001 22543
022 D000001 13657
022 A000002 DAIN BOSWORTH INC
022 B000002 410212020
022 C000002 12700
022 D000002 14016
022 A000003 SEATTLE NW SECURITIES
022 B000003 911172183
022 C000003 14259
022 D000003 1433
022 A000004 WESSELS ARNOLD & HENDERS
022 B000004 411554568
022 C000004 0
022 D000004 4351
022 A000005 BEAR STEARNS & CO INC
022 B000005 133299429
022 C000005 2000
022 D000005 0
022 A000006 RAUSCHER PIERCE REFSNES
022 B000006 751828470
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<PAGE> PAGE 2
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022 B000009 840940766
022 C000009 321
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022 A000010 US BANCORP SECURITIES
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<PAGE> PAGE 4
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SIGNATURE J. JERRY INSKEEP, JR.
TITLE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED SEMIANNUAL REPORT OF THE COLUMBIA FUNDS DATED 06/30/98, AND THE
AUDITED ANNUAL REPORT OF THE COLUMBIA FUNDS DATED 12/31/97, AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000741558
<NAME> COLUMBIA MUNICIPAL BOND FUND INC
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-01-1998
<PERIOD-END> JUN-30-1998
<INVESTMENTS-AT-COST> 391,031,923
<INVESTMENTS-AT-VALUE> 411,722,617
<RECEIVABLES> 9,953,992
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 3,743,725
<TOTAL-ASSETS> 425,420,334
<PAYABLE-FOR-SECURITIES> 7,150,498
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 687,348
<TOTAL-LIABILITIES> 7,837,846
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 393,883,785
<SHARES-COMMON-STOCK> 33,555,914
<SHARES-COMMON-PRIOR> 32,820,166
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,008,009
<OVERDISTRIBUTION-GAINS> 0
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<NET-ASSETS> 417,582,488
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 10,753,706
<OTHER-INCOME> 0
<EXPENSES-NET> 1,163,061
<NET-INVESTMENT-INCOME> 9,590,645
<REALIZED-GAINS-CURRENT> 2,706,240
<APPREC-INCREASE-CURRENT> (3,372,676)
<NET-CHANGE-FROM-OPS> 8,924,209
<EQUALIZATION> 0
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<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 4,797,289
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<GROSS-ADVISORY-FEES> 1,027,819
<INTEREST-EXPENSE> 0
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</TABLE>
