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                                                          PART 1:  EXHIBIT 11.00




                       JSB FINANCIAL, INC. AND SUBSIDIARY
                 STATEMENT RE: COMPUTATION OF PER SHARE EARNINGS
                    (In Thousands, except per share amounts)


                                                                           Three Months Ended
                                                                                March 31,
                                                                         ------------------------
                                                                          1998              1997
                                                                          ----              ----


                                                                                    
Basic earnings per share:

Basic weighted average common shares*                                      9,886           9,809

Net Income                                                                $7,664          $6,448

Basic earnings per common share*                                            $.78            $.66



Diluted earnings per share:

Weighted average common and dilutive potential shares*                    10,202          10,158

Net Income                                                                $7,664          $6,448

Diluted earnings per common share*                                          $.75            $.63



<FN>
* As required,  earnings per share for 1997 have been  restated for the adoption
of Financial Accounting Standards Board Statement No. 128.
</FN>