<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM
N-SAR AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM N-SAR.
</LEGEND>
<RESTATED>
<CIK> 0000766351
<NAME> ADVANTUS SERIES FUND, INC.
<SERIES>
<NUMBER> 17
<NAME> INDEX 400 MID-CAP
<MULTIPLIER> 1000
<CURRENCY> US
<S> <C>
<PERIOD-TYPE> 6-MOS
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<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
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<SHARES-COMMON-PRIOR> 20,580
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<OVERDISTRIBUTION-GAINS> 0
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<APPREC-INCREASE-CURRENT> (313)
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<EQUALIZATION> 0
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<SHARES-REINVESTED> 319
<NET-CHANGE-IN-ASSETS> 4,755
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</TABLE>
