In 1909 Hilda Muhlhauser spoke at a meeting of the Council of Jewish Women in Buffalo, about her work on the Council of Educational Alliance in Cleveland. She was head of the Girls' and Women's Employment Bureau in that city. She was on the board of the Consumers' League of Ohio, the Woman's Suffrage Association, and the Woman's City Club of Cleveland. Muhlhauser attended the Panama–Pacific International Exposition in 1915 as a representative on Cleveland.