<SUBMISSION>
<ACCESSION-NUMBER>0000719220-04-000040
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20040920
<ITEMS>8.01
<FILING-DATE>20040921
<DATE-OF-FILING-DATE-CHANGE>20040921
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>S&T BANCORP INC
<CIK>0000719220
<ASSIGNED-SIC>6022
<IRS-NUMBER>251434426
<STATE-OF-INCORPORATION>PA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-12508
<FILM-NUMBER>041039541
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>43 SOUTH NINTH ST
<STREET2>P O BOX 190
<CITY>INDIANA
<STATE>PA
<ZIP>15701
<PHONE>7244651466
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>800 PHILADELPHIA STREET
<CITY>INDIANA
<STATE>PA
<ZIP>15701
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>st8k92104.htm
<DESCRIPTION>FORM 8-K DATED SEPTEMBER 20, 2004
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<P ALIGN="CENTER"><CENTER><TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=580>
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<B><FONT FACE="Arial"><P ALIGN="CENTER">SECURITIES AND EXCHANGE COMMISSION</B></FONT></TD>
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<B><FONT FACE="Arial"><P ALIGN="CENTER">Washington, D.C. 20549</B></FONT></TD>
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<B><FONT FACE="Arial"><P ALIGN="CENTER">Form 8-K</B></FONT></TD>
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<B><FONT FACE="Arial"><P ALIGN="CENTER">Current Report</B></FONT></TD>
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<B><FONT FACE="Arial"><P>&nbsp;</B></FONT></TD>
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<FONT FACE="Arial"><P ALIGN="CENTER">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934<BR>
Date of Report (Date of earliest event reported) <U>September 20, 2004</U></FONT></TD>
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<FONT FACE="Arial"><P ALIGN="CENTER">S&amp;T Bancorp, Inc.<BR>
____________________________________________________________</P>
</FONT><FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">&nbsp;</P>
<P ALIGN="CENTER">(Exact Name of Registrant as Specified in its Charter)</FONT></TD>
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<FONT FACE="Arial"><P ALIGN="CENTER">Pennsylvania</FONT><FONT FACE="Arial" SIZE=1><BR>
</FONT><FONT FACE="Arial">_________________</P>
</FONT><FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(State or Other Jurisdiction of Incorporation)</FONT></TD>
<TD WIDTH="32%" VALIGN="TOP">
<FONT FACE="Arial"><P ALIGN="CENTER">0-12508</FONT><FONT FACE="Arial" SIZE=1><BR>
</FONT><FONT FACE="Arial">_________________</P>
</FONT><FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(Commission File Number)</FONT></TD>
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<FONT FACE="Arial"><P ALIGN="CENTER">25-1434426</FONT><FONT FACE="Arial" SIZE=1><BR>
</FONT><FONT FACE="Arial">_________________</P>
</FONT><FONT FACE="Arial" SIZE=1><P ALIGN="CENTER">(IRS Employer Identification No.)</FONT></TD>
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<FONT FACE="Arial"><P ALIGN="CENTER">43 South Ninth Street, Indiana, PA<BR>
__________________________________________<BR>
</FONT><FONT FACE="Arial" SIZE=1>(Address of Principal Executive Offices)</FONT></TD>
<TD WIDTH="32%" VALIGN="TOP" HEIGHT=58>
<FONT FACE="Arial"><P ALIGN="CENTER">15701<BR>
___________________<BR>
</FONT><FONT FACE="Arial" SIZE=1>Zip Code</FONT></TD>
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<FONT FACE="Arial"><P>Registrant's telephone number, including area code</FONT></TD>
<TD WIDTH="32%" VALIGN="TOP" HEIGHT=58>
<FONT FACE="Arial"><P ALIGN="CENTER">(800) 325-2265<BR>
___________________</FONT></TD>
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<P ALIGN="CENTER">&nbsp;</P>
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<B><FONT FACE="Arial"><P ALIGN="JUSTIFY">Item 8.01 - Other Events </B></FONT></TD>
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<P>The Board of Directors of S&amp;T Bancorp, Inc. declared a $0.27 per share cash dividend at its regular meeting held September 20, 2004. The dividend is payable on October 25, 2004 to shareholders of record on October 1, 2004. This dividend represents a 3.8 percent increase over the same period last year and a 3.0 percent annualized yield using the September 20, 2004 closing stock price of $35.90.</TD>
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<P>Item 9.01 - Financial Statements and Exhibits</B><BR>
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(c) Exhibits<BR>
<BR>
(99) Press Release</FONT></TD>
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<B>SIGNATURES</B></FONT></TD>
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<FONT FACE="Arial"><P ALIGN="JUSTIFY"><BR>
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the undersigned thereunto duly authorized.</FONT></TD>
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<FONT FACE="Arial"><P><BR>
September 21, 2004</FONT></TD>
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<FONT FACE="Arial"><P>S&amp;T Bancorp, Inc.</P>
<U><P>/s/Robert E. Rout&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>
</U><P>Robert E. Rout<BR>
Executive Vice President,<BR>
Chief Financial Officer and Secretary</FONT></TD>
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<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>press92104.htm
<DESCRIPTION>PERSS RELEASE DATED SEPTEMBER 21, 2004
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<TITLE>Contact: Susan Tomera Angeletti</TITLE>
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<FONT SIZE=2><P ALIGN="RIGHT">&nbsp;</P>
<P ALIGN="RIGHT">&nbsp;</P>
</FONT><P ALIGN="RIGHT">Contact: Susan Tomera Angeletti</P>
<P ALIGN="RIGHT">724-465-4870</P>
<P>&nbsp;</P>
<P>&nbsp;</P>
<P>TO BE RELEASED</P>
<P>9:15 a.m., Tuesday, September 21, 2004</P>
<P>&nbsp;</P>
<B><P ALIGN="CENTER">S&amp;T Bancorp Declares Quarterly Cash Dividend</P>
</B><P>Indiana, Pennsylvania - The Board of Directors of S&amp;T Bancorp, Inc.<BR>
(NASDAQ NMS: STBA) declared a $0.27 per share cash dividend at its regular meeting held September 20, 2004. The dividend is payable on October 25, 2004 to shareholders of record on October 1, 2004 and represents a 3.8 percent increase over the same period last year and a 3.0 percent annualized yield using the September 20, 2004 closing stock price of $35.90.</P>
<P ALIGN="JUSTIFY">Headquartered in Indiana, PA, S&amp;T Bank, the principal subsidiary of S&amp;T Bancorp, Inc., operates 49 offices within Allegheny, Armstrong, Blair, Butler, Cambria, Clarion, Clearfield, Indiana, Jefferson and Westmoreland counties. With assets of $3.0 billion, S&amp;T Bancorp, Inc. stock trades on the NASDAQ National Market System under the symbol STBA. </P>
<P ALIGN="CENTER">- 30 -</P></BODY>
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