<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
FINANCIAL STATEMENTS OF COST PLUS, INC. FOR THE NINE MONTHS ENDED OCTOBER 28,
2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> FEB-03-2001
<PERIOD-START> JAN-30-2000
<PERIOD-END> OCT-28-2000
<CASH> 1,210
<SECURITIES> 0
<RECEIVABLES> 0
<ALLOWANCES> 0
<INVENTORY> 137,493
<CURRENT-ASSETS> 150,630
<PP&E> 133,143
<DEPRECIATION> 58,743
<TOTAL-ASSETS> 237,056
<CURRENT-LIABILITIES> 65,396
<BONDS> 0
0
0
<COMMON> 210
<OTHER-SE> 149,635
<TOTAL-LIABILITY-AND-EQUITY> 237,056
<SALES> 286,916
<TOTAL-REVENUES> 286,916
<CGS> 188,159
<TOTAL-COSTS> 281,749
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 471
<INCOME-PRETAX> 4,696
<INCOME-TAX> 1,831
<INCOME-CONTINUING> 2,865
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,865
<EPS-BASIC> .14
<EPS-DILUTED> .13
</TABLE>