<ARTICLE>                     5
<CIK>                         0000866368
<NAME>                        Public Storage Properties XI, Inc.
<MULTIPLIER>                                                            1
<CURRENCY>                                                             US
       
                                                                   
<PERIOD-TYPE>                                                       9-mos
<FISCAL-YEAR-END>                                             Dec-31-1997
<PERIOD-START>                                                 Jan-1-1997
<PERIOD-END>                                                  Sep-30-1997
<EXCHANGE-RATE>                                                         1
<CASH>                                                          2,273,000
<SECURITIES>                                                            0
<RECEIVABLES>                                                     400,000
<ALLOWANCES>                                                            0
<INVENTORY>                                                             0
<CURRENT-ASSETS>                                                2,673,000
<PP&E>                                                         39,013,000
<DEPRECIATION>                                               (12,877,000)
<TOTAL-ASSETS>                                                 28,809,000
<CURRENT-LIABILITIES>                                           1,639,000
<BONDS>                                                                 0
<PREFERRED-MANDATORY>                                                   0
<PREFERRED>                                                             0
<COMMON>                                                           25,000
<OTHER-SE>                                                     27,145,000
<TOTAL-LIABILITY-AND-EQUITY>                                   28,809,000
<SALES>                                                                 0
<TOTAL-REVENUES>                                                5,699,000
<CGS>                                                                   0
<TOTAL-COSTS>                                                   2,939,000
<OTHER-EXPENSES>                                                  164,000
<LOSS-PROVISION>                                                        0
<INTEREST-EXPENSE>                                                      0
<INCOME-PRETAX>                                                 2,596,000
<INCOME-TAX>                                                            0
<INCOME-CONTINUING>                                             2,596,000
<DISCONTINUED>                                                          0
<EXTRAORDINARY>                                                         0
<CHANGES>                                                               0
<NET-INCOME>                                                    2,596,000
<EPS-PRIMARY>                                                        1.32
<EPS-DILUTED>                                                        1.03