<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM COMPANY'S
CONDENSED CONSOLIDATED BALANCE SHEET AND STATEMENT OF INCOME TAXES AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCED TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001001185
<NAME> IDX SYSTEMS CORPORATION
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
<S> <C> <C>
<PERIOD-TYPE> 6-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-START> JAN-01-2000 JAN-01-1999
<PERIOD-END> JUN-30-2000 JUN-30-1999
<EXCHANGE-RATE> 1 1
<CASH> 36,053 7,338
<SECURITIES> 49,334 63,281
<RECEIVABLES> 96,326 114,518
<ALLOWANCES> (4,005) (2,724)
<INVENTORY> 0 0
<CURRENT-ASSETS> 209,828 203,520
<PP&E> 98,375 94,093
<DEPRECIATION> 32,513 43,520
<TOTAL-ASSETS> 291,458 274,104
<CURRENT-LIABILITIES> 71,461 63,227
<BONDS> 0 0
0 0
0 0
<COMMON> 280 357
<OTHER-SE> 210,722 201,285
<TOTAL-LIABILITY-AND-EQUITY> 291,458 274,104
<SALES> 156,318 160,905
<TOTAL-REVENUES> 156,318 160,905
<CGS> 115,820 105,098
<TOTAL-COSTS> 91,966 72,434
<OTHER-EXPENSES> (2,130) 381
<LOSS-PROVISION> 1,058 733
<INTEREST-EXPENSE> 2 858
<INCOME-PRETAX> (49,338) (17,008)
<INCOME-TAX> (16,816) (6,180)
<INCOME-CONTINUING> (32,522) (10,828)
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (32,522) (10,828)
<EPS-BASIC> (1.16) (0.39)
<EPS-DILUTED> (1.16) (0.38)
</TABLE>