John P. Broome, 91, who retired as an assistant commissioner of the old U.S. Public Housing Administration, died of congestive heart failure Tuesday in a hospital in Prince Frederick, Md.

Mr. Broome was a native of Island Creek, County Md. He attended the University of Maryland and then worked for the B&O Railroad and E. I. DuPont de Nemours Co. as a civil engineer. In 1925, he became city manager of Salem Va. A year later he was named city manager of Summit, N.J. He came to Washington in 1933 as an engineering examiner with the old Public Works Administration. He then served as city manager of Petersburg, Va., from 1935 to 1939.

He began his career in public housing in 1942 as director of Region 4 of the U.S. Public Housing Authority. He returned to Washington in 1948 and was assistant commissioner of the Public Housing Administration, office of housing and home financing, when he retired in 1953.

A former Arlington resident, Mr. Broome retired to Port Republic, Md., where he served on the vestry of Christ Episcopal Church.

He served on the Governor's Commission on Aging and had been president and a life member of the Calvert County Historical Society. He also was a charter member of the Southern Maryland Beekeepers Association.

His wife of 47 years, the former Elsa Louise Deming, died in 1975. There are no immediate survivors.