Pennsylvania - Population
| Date | Density | Population |
|---|---|---|
| 2024 | 110 | 13,078,751 |
| 2023 | 109 | 13,017,721 |
| 2022 | 109 | 12,984,990 |
| 2021 | 109 | 13,015,571 |
| 2020 | 109 | 12,996,143 |
| 2019 | 109 | 12,991,539 |
| 2018 | 109 | 12,980,946 |
| 2017 | 109 | 12,945,701 |
| 2016 | 108 | 12,918,673 |
| 2015 | 108 | 12,899,169 |
| 2014 | 108 | 12,880,907 |
| 2013 | 108 | 12,847,236 |
| 2012 | 107 | 12,816,003 |
| 2011 | 107 | 12,773,059 |
| 2010 | 107 | 12,716,596 |
| 2009 | 106 | 12,666,858 |
| 2008 | 106 | 12,612,285 |
| 2007 | 105 | 12,563,937 |
| 2006 | 105 | 12,510,809 |
| 2005 | 104 | 12,449,990 |
| 2004 | 104 | 12,410,722 |
| 2003 | 104 | 12,374,658 |
| 2002 | 103 | 12,331,031 |
| 2001 | 103 | 12,298,970 |
| 2000 | 103 | 12,284,173 |
| 1999 | 103 | 12,263,805 |
| 1998 | 103 | 12,245,672 |
| 1997 | 103 | 12,227,814 |
| 1996 | 102 | 12,220,464 |
| 1995 | 102 | 12,198,403 |
| 1994 | 102 | 12,166,050 |
| 1993 | 102 | 12,119,724 |
| 1992 | 101 | 12,049,450 |
| 1991 | 100 | 11,982,164 |
| 1990 | 100 | 11,903,299 |
| 1989 | 99 | 11,865,992 |
| 1988 | 99 | 11,845,755 |
| 1987 | 99 | 11,810,869 |
| 1986 | 99 | 11,782,754 |
| 1985 | 99 | 11,770,865 |
| 1984 | 99 | 11,815,175 |
| 1983 | 99 | 11,837,726 |
| 1982 | 99 | 11,845,146 |
| 1981 | 99 | 11,858,569 |
| 1980 | 99 | 11,868,305 |
| 1979 | 100 | 11,873,563 |
| 1978 | 99 | 11,864,774 |
| 1977 | 100 | 11,881,857 |
| 1976 | 100 | 11,887,478 |
| 1975 | 100 | 11,897,778 |
| 1974 | 99 | 11,863,936 |
| 1973 | 100 | 11,885,202 |
| 1972 | 100 | 11,904,541 |
| 1971 | 100 | 11,884,354 |
| 1970 | 99 | 11,811,561 |
| 1969 | 98 | 11,741,000 |
| 1968 | 98 | 11,741,000 |
| 1967 | 98 | 11,681,000 |
| 1966 | 98 | 11,664,000 |
| 1965 | 97 | 11,620,000 |
| 1964 | 97 | 11,519,000 |
| 1963 | 96 | 11,424,000 |
| 1962 | 95 | 11,355,000 |
| 1961 | 96 | 11,392,000 |
| 1960 | 95 | 11,329,000 |
| 1959 | 94 | 11,234,000 |
| 1958 | 93 | 11,058,000 |
| 1957 | 92 | 10,954,000 |
| 1956 | 92 | 10,972,000 |
| 1955 | 92 | 10,939,000 |
| 1954 | 91 | 10,817,000 |
| 1953 | 89 | 10,662,000 |
| 1952 | 88 | 10,503,000 |
| 1951 | 88 | 10,461,000 |
| 1950 | 88 | 10,507,000 |
| 1949 | 87 | 10,390,000 |
| 1948 | 86 | 10,287,000 |
| 1947 | 86 | 10,201,000 |
| 1946 | 83 | 9,880,000 |
| 1945 | 77 | 9,180,000 |
| 1944 | 78 | 9,247,000 |
| 1943 | 79 | 9,424,000 |
| 1942 | 81 | 9,714,000 |
| 1941 | 83 | 9,918,000 |
| 1940 | 83 | 9,896,000 |
| 1939 | 83 | 9,901,000 |
| 1938 | 83 | 9,952,000 |
| 1937 | 82 | 9,790,000 |
| 1936 | 82 | 9,767,000 |
| 1935 | 82 | 9,774,000 |
| 1934 | 82 | 9,795,000 |
| 1933 | 82 | 9,784,000 |
| 1932 | 82 | 9,764,000 |
| 1931 | 81 | 9,707,000 |
| 1930 | 81 | 9,649,000 |
| 1929 | 82 | 9,723,000 |
