美国历年人口密度(每平方公里人数)
| 年份 |
美国人口密度 |
| 2021 |
36 |
| 2020 |
36 |
| 2019 |
35 |
| 2018 |
35 |
| 2017 |
35 |
| 2016 |
35 |
| 2015 |
35 |
| 2014 |
34 |
| 2013 |
34 |
| 2012 |
34 |
| 2011 |
34 |
| 2010 |
33 |
| 2009 |
33 |
| 2008 |
33 |
| 2007 |
32 |
| 2006 |
32 |
| 2005 |
32 |
| 2004 |
31 |
| 2003 |
31 |
|
|
| 2002 |
31 |
| 2001 |
31 |
| 2000 |
30 |
| 1999 |
30 |
| 1998 |
30 |
| 1997 |
29 |
| 1996 |
29 |
| 1995 |
29 |
| 1994 |
28 |
| 1993 |
28 |
| 1992 |
28 |
| 1991 |
27 |
| 1990 |
27 |
| 1989 |
26 |
| 1988 |
26 |
| 1987 |
26 |
| 1986 |
26 |
| 1985 |
25 |
| 1984 |
25 |
| 1983 |
25 |
|
|
| 1982 |
25 |
| 1981 |
25 |
| 1980 |
24 |
| 1979 |
24 |
| 1978 |
24 |
| 1977 |
24 |
| 1976 |
23 |
| 1975 |
23 |
| 1974 |
23 |
| 1973 |
23 |
| 1972 |
22 |
| 1971 |
22 |
| 1970 |
22 |
| 1969 |
22 |
| 1968 |
21 |
| 1967 |
21 |
| 1966 |
21 |
| 1965 |
21 |
| 1964 |
20 |
| 1963 |
20 |
| 1962 |
20 |
| 1961 |
20 |