    <SEC-DOCUMENT>0001104659-21-083375-index.html : 20210621
    <SEC-HEADER>0001104659-21-083375.hdr.sgml : 20210621
    <ACCEPTANCE-DATETIME>20210621141858
    ACCESSION NUMBER:		0001104659-21-083375
    CONFORMED SUBMISSION TYPE:	S-4
    PUBLIC DOCUMENT COUNT:		9
    FILED AS OF DATE:		20210621
    DATE AS OF CHANGE:		20210621

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CITIZENS & NORTHERN CORP
    		CENTRAL INDEX KEY:			0000810958
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				232451943
    		STATE OF INCORPORATION:			PA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-4
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-257214
    		FILM NUMBER:		211029907

    	BUSINESS ADDRESS:
    		STREET 1:		90-92 MAIN ST
    		CITY:			WELLSBORO
    		STATE:			PA
    		ZIP:			16901
    		BUSINESS PHONE:		877-838-2517

    	MAIL ADDRESS:
    		STREET 1:		90-92 MAIN ST
    		CITY:			WELLSBORO
    		STATE:			PA
    		ZIP:			16901
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-4
    <SEQUENCE>1
    <FILENAME>tm2120124-1_s4.htm
    <DESCRIPTION>S-4
    <TEXT>
    Document 1 - file: tm2120124-1_s4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>2
    <FILENAME>tm2120124d2_ex5-1.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 2 - file: tm2120124d2_ex5-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>3
    <FILENAME>tm2120124d2_ex23-1.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 3 - file: tm2120124d2_ex23-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.1
    <SEQUENCE>4
    <FILENAME>tm2120124d2_ex25-1.htm
    <DESCRIPTION>EXHIBIT 25.1
    <TEXT>
    Document 4 - file: tm2120124d2_ex25-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>5
    <FILENAME>tm2120124d1_ex99-1.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 5 - file: tm2120124d1_ex99-1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>tm2120124d2_ex25-1img002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: tm2120124d2_ex25-1img002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>tm2120124d2_ex25-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: tm2120124d2_ex25-1img001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>lg_citizensnorthern-4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: lg_citizensnorthern-4clr.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>tm2120124d2_ex5-1img001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: tm2120124d2_ex5-1img001.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>