<SEC-DOCUMENT>0001193125-21-187889-index.html : 20210610
<SEC-HEADER>0001193125-21-187889.hdr.sgml : 20210610
<ACCEPTANCE-DATETIME>20210610170102
ACCESSION NUMBER:		0001193125-21-187889
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210610
DATE AS OF CHANGE:		20210610

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PACKAGING CORP OF AMERICA
		CENTRAL INDEX KEY:			0000075677
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPERBOARD CONTAINERS & BOXES [2650]
		IRS NUMBER:				364277050
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15399
		FILM NUMBER:		211008803

	BUSINESS ADDRESS:	
		STREET 1:		1955 W FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
		BUSINESS PHONE:		8474823000

	MAIL ADDRESS:	
		STREET 1:		1955 W FIELD CT
		CITY:			LAKE FOREST
		STATE:			IL
		ZIP:			60045
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>d140985d11k.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: d140985d11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>d140985dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 2 - file: d140985dex231.htm

</DOCUMENT>
</SEC-DOCUMENT>