<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from Winthrop
Growth Investors I Limited Partnership 1999 Second Quarter 10-QSB and is
qualified in its entirety by reference to such 10-QSB filing.
</LEGEND>
<CIK> 0000722565
<NAME> WINTHROP GROWTH INVESTORS I LIMITED PARTNERSHIP
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                           1,630
<SECURITIES>                                         0
<RECEIVABLES>                                        0
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0<F1>
<PP&E>                                          45,354
<DEPRECIATION>                                (24,339)
<TOTAL-ASSETS>                                  25,254
<CURRENT-LIABILITIES>                                0<F1>
<BONDS>                                         20,946
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                             0
<OTHER-SE>                                       3,484
<TOTAL-LIABILITY-AND-EQUITY>                    25,254
<SALES>                                              0
<TOTAL-REVENUES>                                 3,820
<CGS>                                                0
<TOTAL-COSTS>                                        0
<OTHER-EXPENSES>                                 3,681
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 912
<INCOME-PRETAX>                                      0
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       139
<EPS-BASIC>                                     5.40<F2>
<EPS-DILUTED>                                        0
<FN>
<F1>Registrant has an unclassified balance sheet.
<F2>Multiplier is 1.
</FN>