Callaway is a census designated place in St. Mary's County, Maryland, United States. The elevation is 105 feet. Per the 2020 Census, the population was 1,779. Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of an…Callaway is a census designated place in St. Mary's County, Maryland, United States. The elevation is 105 feet. Per the 2020 Census, the population was 1,779. Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.
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