From 1890 to 1893 he was secretary of the Children's Aid Society of Pennsylvania, and from 1893 to 1902 secretary of the New York State Charities Aid Association. He was elected to the New York City Board of Alderman as an anti Tammany member in 1897 and 1898, and was an unsuccessful candidate for the New York State Assembly in 1899. In the spring of 1900 he went to Cuba to assist the United States military authorities in reorganizing the public charities of the island. In 1901 he became secretary of the National Conference of Charities and Correction, and in January 1902, was appointed by Mayor Seth Low as Commissioner of Public Charities for New York City. His literary work includes the editing of the Charities Review, and the publication of numerous reports and magazine articles, and a book entitled The Care of Destitute, Neglected, and Delinquent Children (1902). Homer Folks Hospital, located in Oneonta, New York, named in his honor, opened Dec. 18, 1935, and served as a tuberculosis hospital for almost 38 years.
- April 25, 1919 passport application
- Walter I. Trattner (1966). "Homer Folks". The Social Service Review. JSTOR 30020255.
- Simonson, Mark. "Oneonta's Homer Folks Hospital Closed in 1973". The Daily Star. Retrieved 27 November 2013.
- "Homer Folks, 95, Dies in N.Y. Noted Pioneer in Social Work. Also Known for Activities in Public Health Field. Long Fought Tuberculosis". New York Times. February 14, 1963. "Homer Folks, internationally known pioneer in social work and public health, died today at the home of a daughter in the Riverdale section of the Bronx after a long illness. He would have been 96 yeas [sic] old on Monday."
This article incorporates text from a publication now in the public domain: Gilman, D. C.; Thurston, H. T.; Moore, F., eds. (1905). "article name needed". New International Encyclopedia (1st ed.). New York: Dodd, Mead.