| Area of Barley, Western Australia, '000 ha | ||||||||||||||
| Year | 1950 | 1951 | 1952 | 1953 | 1954 | 1955 | 1956 | 1957 | 1958 | 1959 | 1960 | 1961 | 1962 | 1963 |
| Area | 28 | 24 | 23 | 43 | 85 | 105 | 136 | 139 | 124 | 130 | 171 | 219 | 198 | 158 |
| Year | 1964 | 1965 | 1966 | 1967 | 1968 | 1969 | 1970 | 1971 | 1972 | 1973 | 1974 | 1975 | 1976 | 1977 |
| Area | 121 | 123 | 167 | 151 | 168 | 224 | 364 | 632 | 911 | 744 | 510 | 387 | 419 | 452 |
| Year | 1978 | 1979 | 1980 | 1981 | 1982 | 1983 | 1984 | 1985 | 1986 | 1987 | 1988 | 1989 | 1990 | 1991 |
| Area | 614 | 616 | 523 | 535 | 580 | 603 | 771 | 965 | 826 | 468 | 461 | 383 | 421 | 498 |
| Year | 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | 2003 | 2004 | 2005 |
| Area | 554 | 611 | 799 | 579 | 745 | 909 | 1036 | 811 | 550 | 983 | 1088 | 1140 | 1278 | 1313 |
| Year | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 |
| Area | 1192 | 1083 | 1381 | 1559 | 1400 | 1101 | 1246 | 1210 | 1237 | 1255 | 1384 | 1694 | 1531 | 1897 |
| Year | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | 2027 | 2028 | 2029 | 2030 | 2031 | 2032 | 2033 |
| Area | 1907 | 1844 | 1884 | 1345 | na | na | na | na | na | na | na | na | na | na |
| Source: | ABS | |||||||||||||