<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000948336
<NAME> "Strong Income Funds II, Inc."
<SERIES>
<NUMBER> 003
<NAME> Advisor Class
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> Oct-31-2000
<PERIOD-START> Nov-01-1999
<PERIOD-END> Apr-30-2000
<INVESTMENTS-AT-COST> 230552
<INVESTMENTS-AT-VALUE> 225879
<RECEIVABLES> 12360
<ASSETS-OTHER> 153
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 238392
<PAYABLE-FOR-SECURITIES> 39307
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1206
<TOTAL-LIABILITIES> 40513
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 205747
<SHARES-COMMON-STOCK> 2
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> (93)
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (3886)
<ACCUM-APPREC-OR-DEPREC> (3889)
<NET-ASSETS> 16
<DIVIDEND-INCOME> 204
<INTEREST-INCOME> 6527
<OTHER-INCOME> 0
<EXPENSES-NET> (322)
<NET-INVESTMENT-INCOME> 6409
<REALIZED-GAINS-CURRENT> 40
<APPREC-INCREASE-CURRENT> (1900)
<NET-CHANGE-FROM-OPS> 4549
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 32008
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> (20)
<OVERDIST-NET-GAINS-PRIOR> (3,926)
<GROSS-ADVISORY-FEES> 203
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 322
<AVERAGE-NET-ASSETS> 9
<PER-SHARE-NAV-BEGIN> 10.68
<PER-SHARE-NII> 0.34
<PER-SHARE-GAIN-APPREC> (0.11)
<PER-SHARE-DIVIDEND> (0.34)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 10.57
<EXPENSE-RATIO> 1.1
</TABLE>