<SEC-DOCUMENT>0001140361-21-009276-index.html : 20210319
<SEC-HEADER>0001140361-21-009276.hdr.sgml : 20210319
<ACCEPTANCE-DATETIME>20210319124007
ACCESSION NUMBER:		0001140361-21-009276
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210319
DATE AS OF CHANGE:		20210319

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIRST NORTHERN COMMUNITY BANCORP
		CENTRAL INDEX KEY:			0001114927
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		IRS NUMBER:				680450397
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-30707
		FILM NUMBER:		21757233

	BUSINESS ADDRESS:	
		STREET 1:		195 N FIRST STREET
		CITY:			DIXON
		STATE:			CA
		ZIP:			95620
		BUSINESS PHONE:		7076783041

	MAIL ADDRESS:	
		STREET 1:		195 N FIRST STREET
		CITY:			DIXON
		STATE:			CA
		ZIP:			95620
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>form10-ka_2020.htm
<DESCRIPTION>AMENDMENT NO. 1 TO FORM 10-K
<TEXT>
Document 1 - file: form10-ka_2020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>exhibit23_1.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
<TEXT>
Document 2 - file: exhibit23_1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31
<SEQUENCE>3
<FILENAME>exhibit31_01.htm
<DESCRIPTION>CEO CERTIFICATION - RULE 13(A) - 14(A)/15(D) - 14(A)
<TEXT>
Document 3 - file: exhibit31_01.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>exhibit31_02.htm
<DESCRIPTION>CFO CERTIFICATION - RULE 13(A) - 14(A)/15(D) - 14(A)
<TEXT>
Document 4 - file: exhibit31_02.htm

</DOCUMENT>
</SEC-DOCUMENT>