List of longest-serving mayors in the United States
Current and former mayors

Years
Name
Municipality
Notes
63 years, 73 days
Hilmar Moore
Richmond, Texas
Served from September 22, 1949 to December 4, 2012.
61 years, 111 days
John H. Land
Apopka, Florida
Served from January 1, 1971 to April 22, 2014. Also served from January 1, 1950 to January 1, 1968.
58 years, 233 days
Robert Linn
Beaver, Pennsylvania
Served from January 2, 1946 to August 22, 2004.
59–60 years
Charles E. Long
Booneville, Kentucky
Entered office in 1959.
56 years
Paul Jurko
Yankee Lake, Ohio
Elected into office in November 1931 at the age of 21. Served until his death on March 1, 1988.
54 years
Robert L. Butler
Marion, Illinois
Entered office in May 1963. Served until his resignation on January 31, 2018.
52 years, 0 days
John M. Coyne
Brooklyn, Ohio
Served from 1948 until January 2000.
55 years, 92 days
Bruce Arnold
Valparaiso, Florida
Entered office on January 21, 1964, Died in office February 23, 2017.
51 years
Donald Stephens
Rosemont, Illinois
First Mayor of Rosemont. Served from village's incorporation in 1956 to 2007.
50 years
Leonard T. Connors
Surf City, New Jersey
Entered office in 1966, served until January 5, 2016.
48 years, 352 days
Frank E. Rodgers
Harrison, New Jersey
Served from September 4, 1946 to August 22, 1995.
47 years, 11 months
Frank Kelly
Collingdale, Pennsylvania
Served from 1970 to his death on November 22, 2018.
47 years, 115 days
Nicholas B. Blase
Niles, Illinois
Served from May 2, 1961 to his resignation on August 25, 2008.
49 years, 231 days
Leonard Scarcella
Stafford, Texas
Entered into office on September 4, 1969.
48 years, 112 days
H. Ford Gravitt
Cumming, Georgia
Entered office on January 1, 1971. Served four years on City Council (1967-1970)
48 years, 112 days
Robert Blais
Lake George, New York
Began current term on April 5, 1971.
43–44 years
Richard A. Mola
Elmwood Park, New Jersey
Entered office in 1972, served until his death in 2016.
43 years, 0 days
Paul W. Cassidy
Parma Heights, Ohio
Served in office between January 1958 through January 2001.
43–44 years
Margaret Doud
Mackinac Island, Michigan
Entered office in April 1975.
41 years, 146 days
Erastus Corning II
Albany, New York
Served from January 2, 1942 to May 28, 1983.
40 years, 27 days
Joseph P. Riley, Jr.
Charleston, South Carolina
Served from December 15, 1975 to January 11, 2016.
40 years
Louis Bay 2nd
Hawthorne, New Jersey
Entered into office in 1947, served until 1987.
42–43 years
Harold Rainwater
Wilmore, Kentucky
Entered into office in 1976.
41–42 years
Jim L. Sells
Rogersville, Tennessee
Entered office in 1977.
36-37 Years
Mary Hawkins Butler
Madison, Mississippi
Entered office in 1981.
37–38 years
Gary W. Starr
Middleburg Heights, Ohio
Entered office in 1981.
37 years, 357 days
Edward J. Zabrocki
Tinley Park, Illinois
Entered into office on May 1, 1981.
36 years
Orville L. Hubbard
Dearborn, Michigan
Entered office in 1942. Served until 1978.
35 years, 111 days
William W. Dickinson, Jr.
Wallingford, Connecticut
Entered office in 1984.
30 years, 33 days
Frank Hague
Jersey City, New Jersey
Entered office in 1917. Served until 1947.
29 years, 201 days
Dr. LeRoy G. Suire
Erath, Louisiana
Entered office in 1961. Served until 1990.
29 years, 39 days
Willie Oswalt
Lake City, Georgia
Entered office in 1989. Served until 2018.
27 years, 364 days
Stephen R. Reed
Harrisburg, Pennsylvania
Entered office in 1982. Served until 2010.

Question: Who if the fifth longest serving mayor in U.S. history?
Answer: Paul Jurko of Yankee Lake, Ohio, is the fifth longest serving mayor in U.S. history.