<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FILETEK,
INC. CONSOLIDATED FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH CONSOLIDATED FINANCIAL STATEMENTS AS OF AND FOR THE YEAR ENDED
DECEMBER 31, 1997 AND THE SIX MONTHS ENDED JUNE 30, 1998.
</LEGEND>
       
                                                  
<PERIOD-TYPE>                   12-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1998
<PERIOD-START>                             JAN-01-1997             JAN-01-1998
<PERIOD-END>                               DEC-31-1997             JUN-30-1998
<CASH>                                       7,163,050               7,806,975
<SECURITIES>                                         0                       0
<RECEIVABLES>                                4,864,323               4,894,824
<ALLOWANCES>                                    75,000                 252,919
<INVENTORY>                                  5,291,035               2,978,956
<CURRENT-ASSETS>                            17,707,751              18,034,593
<PP&E>                                      10,587,196              11,232,413
<DEPRECIATION>                               7,145,419               7,932,465
<TOTAL-ASSETS>                              22,131,715              21,993,320
<CURRENT-LIABILITIES>                       19,360,013              14,500,187
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                     58,130                  58,130
<COMMON>                                           837                     874
<OTHER-SE>                                   2,232,325               7,108,634
<TOTAL-LIABILITY-AND-EQUITY>                22,131,715              21,993,320
<SALES>                                     12,922,581              12,420,146
<TOTAL-REVENUES>                            23,699,142              18,993,567
<CGS>                                        6,120,765               4,844,771
<TOTAL-COSTS>                               11,676,527               8,481,867
<OTHER-EXPENSES>                                     0                       0
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                             590,123                  47,877
<INCOME-PRETAX>                              1,824,167               4,832,716
<INCOME-TAX>                                   315,000                       0
<INCOME-CONTINUING>                          1,509,167               4,832,716
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                 1,509,167               4,832,716
<EPS-PRIMARY>                                   187.00                   56.21
<EPS-DILUTED>                                     0.17                    0.49