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001 A000000 MAIRS AND POWER GROWTH FUND, INC.
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002 A000000 332 MINNESOTA ST., SUITE W-2062
002 B000000 ST. PAUL
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020 A000004 PRINCIPAL FINANCIAL SECURITIES, INC.
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SIGNATURE LISA HARTZELL
TITLE FUND SUPERVISOR
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM SECOND
QUARTER REPORT DATED JUNE 30, 1995 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1995
<PERIOD-START> JAN-01-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 16,291,751
<INVESTMENTS-AT-VALUE> 52,340,250
<RECEIVABLES> 66,280
<ASSETS-OTHER> 36,928
<OTHER-ITEMS-ASSETS> 1,071,158
<TOTAL-ASSETS> 53,514,616
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 34,880
<TOTAL-LIABILITIES> 34,880
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 16,868,554
<SHARES-COMMON-STOCK> 1,107,083
<SHARES-COMMON-PRIOR> 1,064,019
<ACCUMULATED-NII-CURRENT> 9,959
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 559,775
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 9,141,209
<NET-ASSETS> 53,479,736
<DIVIDEND-INCOME> 501,313
<INTEREST-INCOME> 0
<OTHER-INCOME> 0
<EXPENSES-NET> (219,971)
<NET-INVESTMENT-INCOME> 281,342
<REALIZED-GAINS-CURRENT> 559,775
<APPREC-INCREASE-CURRENT> 9,141,209
<NET-CHANGE-FROM-OPS> 9,982,326
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (275,515)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 89,129
<NUMBER-OF-SHARES-REDEEMED> (51,154)
<SHARES-REINVESTED> 5,089
<NET-CHANGE-IN-ASSETS> 11,589,886
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (13,923)
<OVERDIST-NET-GAINS-PRIOR> (42,401)
<GROSS-ADVISORY-FEES> 145,157
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 219,971
<AVERAGE-NET-ASSETS> 46,425,000
<PER-SHARE-NAV-BEGIN> 39.37
<PER-SHARE-NII> 0
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.25)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 48.31
<EXPENSE-RATIO> 0
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
