Popularity in the United States (by decade)
Numbers
| Montana (feminine) | Montana (masculine) | |||||
| Year | Rank | Percent Used | Rank | Percent Used | ||
| 2020 | #1415 | 0.009 | #1573 | 0.006 | ||
| 2010 | #1868 | 0.006 | - | - | ||
| 2000 | #881 | 0.014 | #1546 | 0.004 | ||
| 1990 | #717 | 0.016 | #898 | 0.007 | ||
| 1980 | - | - | #1808 | 0.002 | ||
| 1970 | - | - | - | - | ||
| 1960 | - | - | - | - | ||
| 1950 | - | - | - | - | ||
| 1940 | - | - | - | - | ||
| 1930 | - | - | - | - | ||
| 1920 | - | - | - | - | ||
| 1910 | - | - | - | - | ||
| 1900 | - | - | - | - | ||
| 1890 | - | - | - | - | ||
| 1880 | - | - | - | - | ||
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