<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM DELTEK
SYSTEMS, INC. FINANCIAL STATEMENTS INCLUDED IN THE COMPANY'S STATEMENT ON FORM
10-Q AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS
AND NOTES THERETO.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               MAR-31-1997
<CASH>                                           5,324
<SECURITIES>                                    13,099
<RECEIVABLES>                                    7,036
<ALLOWANCES>                                     (457)
<INVENTORY>                                        204
<CURRENT-ASSETS>                                26,163<F1>
<PP&E>                                           4,284
<DEPRECIATION>                                 (2,323)
<TOTAL-ASSETS>                                  30,837<F2>
<CURRENT-LIABILITIES>                           11,784
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            17
<OTHER-SE>                                      19,036
<TOTAL-LIABILITY-AND-EQUITY>                    30,837
<SALES>                                         10,538
<TOTAL-REVENUES>                                10,538
<CGS>                                                0
<TOTAL-COSTS>                                    6,983
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  3,614<F3>
<INCOME-TAX>                                       546<F4>
<INCOME-CONTINUING>                              3,555
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,066<F4>
<EPS-PRIMARY>                                        0<F4>
<EPS-DILUTED>                                        0
<FN>
<F1>INCLUDES PREPAID EXPENSES AND OTHER CURRENT ASSETS OF 957.
<F2>INCLUDES COMPUTER SOFTWARE COSTS-NET OF 2,587. ALSO INCLUDES OTHER ASSETS OF
126.
<F3>INCLUDES INTEREST INCOME OF 59.
<F4>AS A SUBCHAPTER "S" CORPORATION, THE PROFORMA INCOME TAX PROVISION, PROFORMA
NET INCOME, AND PROFORMA NET INCOME PER SHARE WAS 1,428, 2,186 AND $0.13 PER
SHARE.
</FN>