The percentage of Montana students ages 6-21 with hearing impairments in 2011 was .05%.
…
There are 16,554 individuals aged 18-64 who are deaf.
Source: Montana Department of Public Health and Human Services. Hearing Impairment
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The percentage of Montana students ages 6-21 with hearing impairments in 2011 was .05%.
…
There are 16,554 individuals aged 18-64 who are deaf.
Source: Montana Department of Public Health and Human Services. Hearing Impairment