Oklahoma - Population
| Date | Density | Population |
|---|---|---|
| 2022 | 22 | 4,019,800 |
| 2021 | 22 | 3,991,230 |
| 2020 | 22 | 3,964,910 |
| 2019 | 22 | 3,943,800 |
| 2018 | 22 | 3,928,490 |
| 2017 | 22 | 3,920,460 |
| 2016 | 22 | 3,916,820 |
| 2015 | 22 | 3,901,050 |
| 2014 | 21 | 3,871,580 |
| 2013 | 21 | 3,848,110 |
| 2012 | 21 | 3,815,350 |
| 2011 | 21 | 3,786,640 |
| 2010 | 21 | 3,759,580 |
| 2009 | 21 | 3,717,570 |
| 2008 | 20 | 3,668,980 |
| 2007 | 20 | 3,634,350 |
| 2006 | 20 | 3,594,090 |
| 2005 | 20 | 3,548,600 |
| 2004 | 19 | 3,525,230 |
| 2003 | 19 | 3,504,890 |
| 2002 | 19 | 3,489,080 |
| 2001 | 19 | 3,467,100 |
| 2000 | 19 | 3,454,370 |
| 1999 | 19 | 3,437,150 |
| 1998 | 19 | 3,405,190 |
| 1997 | 19 | 3,372,920 |
| 1996 | 18 | 3,340,130 |
| 1995 | 18 | 3,308,210 |
| 1994 | 18 | 3,280,940 |
| 1993 | 18 | 3,252,290 |
| 1992 | 18 | 3,220,520 |
| 1991 | 18 | 3,175,440 |
| 1990 | 17 | 3,148,830 |
| 1989 | 17 | 3,150,300 |
| 1988 | 17 | 3,167,060 |
| 1987 | 18 | 3,210,120 |
| 1986 | 18 | 3,252,740 |
| 1985 | 18 | 3,271,330 |
| 1984 | 18 | 3,285,540 |
| 1983 | 18 | 3,290,400 |
| 1982 | 18 | 3,206,130 |
| 1981 | 17 | 3,096,160 |
| 1980 | 17 | 3,040,760 |
| 1979 | 16 | 2,970,080 |
| 1978 | 16 | 2,913,060 |
| 1977 | 16 | 2,865,940 |
| 1976 | 16 | 2,823,400 |
| 1975 | 15 | 2,771,860 |
| 1974 | 15 | 2,732,450 |
| 1973 | 15 | 2,694,180 |
| 1972 | 15 | 2,657,450 |
| 1971 | 14 | 2,617,940 |
| 1970 | 14 | 2,566,490 |
| 1969 | 14 | 2,535,000 |
| 1968 | 14 | 2,503,000 |
| 1967 | 14 | 2,489,000 |
| 1966 | 14 | 2,454,000 |
| 1965 | 13 | 2,440,000 |
| 1964 | 14 | 2,446,000 |
| 1963 | 13 | 2,439,000 |
| 1962 | 13 | 2,427,000 |
| 1961 | 13 | 2,380,000 |
| 1960 | 13 | 2,336,000 |
| 1959 | 13 | 2,289,000 |
| 1958 | 13 | 2,267,000 |
| 1957 | 13 | 2,282,000 |
| 1956 | 13 | 2,273,000 |
| 1955 | 12 | 2,250,000 |
| 1954 | 12 | 2,209,000 |
| 1953 | 12 | 2,182,000 |
| 1952 | 12 | 2,219,000 |
| 1951 | 12 | 2,210,000 |
| 1950 | 12 | 2,229,000 |
| 1949 | 12 | 2,105,000 |
| 1948 | 12 | 2,089,000 |
| 1947 | 12 | 2,133,000 |
| 1946 | 12 | 2,131,000 |
| 1945 | 11 | 2,025,000 |
| 1944 | 11 | 2,056,000 |
| 1943 | 12 | 2,203,000 |
| 1942 | 12 | 2,228,000 |
| 1941 | 12 | 2,262,000 |
| 1940 | 13 | 2,325,000 |
| 1939 | 13 | 2,333,000 |
| 1938 | 13 | 2,324,000 |
| 1937 | 13 | 2,334,000 |
| 1936 | 13 | 2,365,000 |
| 1935 | 13 | 2,386,000 |
| 1934 | 13 | 2,391,000 |
| 1933 | 13 | 2,392,000 |
| 1932 | 13 | 2,394,000 |
| 1931 | 13 | 2,403,000 |
| 1930 | 13 | 2,401,000 |
| 1929 | 13 | 2,372,000 |