There is a NTID center which gathers information on this topic, Collaboratory on Economic, Demographic, and Policy Studies. According to the 2011 American Community Survey (ACS), about 3.6% of the U.S. population, or about 11 million individuals, consider themselves deaf or have serious difficulty hearing. Of the approximately 1,155,000 people in the Rochester area, about 43,000 or 3.7% are DHH (Walter & Dirmyer, 2012).
More information about the age, gender, and ethnicity of this population is available. Gerard Walter, a retired NTID researcher, shared that the American FactFinder is a good resource for limited statistics on DHH persons. If you enter the word hearing in the topic box, and Monroe County, NY in the state, county or place box, you will get some tables about hearing status in Monroe County, NY. You can find information about NTID alumni from the Collaboratory Center.
Another good resource is the 2017 Annual Disability Statistics Compendium.
Walter, G. & Dirmyer, R. (2012). Number of persons who are deaf or hard of hearing: Rochester, NY, 2010. Rochester, NY: National Technical Institute for the Deaf.
Gallaudet Research Institute (2009, November). Regional and national summary report of data from the 2009-10 annual survey of deaf and hard-of-hearing children and youth. Washington, DC: GRI, Gallaudet University.
Blanchfield, B. B., Feldman, J. J., Dunbar, J. L., & Gardner, E. N. (2001). The severely to profoundly hearing-impaired population in the United States: Prevalence estimates and demographics. Journal of the American Academy of Audiology, 12(4), 183-189.
Mitchell, R. E., & Karchmer, M. A. (2006). Demographics of deaf education: More students in more places. American Annals of the Deaf, 151(2), 95-104.