Awards and nominations:
McCullough has received numerous awards, including the Presidential Medal of Freedom in December 2006, the highest civilian award that a United States citizen can receive. In 1995 the National Book Foundation conferred its lifetime Medal for Distinguished Contribution to American Letters. McCullough has been awarded more than 40 honorary degrees, including one from the Eastern Nazarene College in John Adams' hometown of Quincy, Massachusetts. McCullough has received two Pulitzer Prizes, two National Book Awards, two Francis Parkman Prizes, the Los Angeles Times Book Award, New York Public Library's Literary Lion Award, and the St. Louis Literary Award from the Saint Louis University Library Associates, among others. McCullough was chosen to deliver the first annual John Hersey Lecture at Yale University on March 22, 1993. He is a member of the John Simon Guggenheim Fellowship and the Academy of Achievement. In 2003, the National Endowment for the Humanities selected McCullough for the Jefferson Lecture, the U.S. federal government's highest honor for achievement in the humanities. McCullough's lecture was entitled "The Course of Human Events".
In 1995, McCullough received the Peggy V. Helmerich Distinguished Author Award. The Helmerich Award is presented annually by the Tulsa Library Trust.
McCullough has been called a "master of the art of narrative history." The New York Times critic John Leonard wrote that McCullough was "incapable of writing a page of bad prose." His works have been published in ten languages, over nine million copies have been printed, and all of his books are still in print.
In December, 2012, Allegheny County, Pennsylvania announced that it would rename the 16th Street Bridge in Pittsburgh in honor of McCullough.
In a ceremony at Maxwell Air Force Base, Alabama, on November 16, 2015, the Air University of the United States Air Force awarded McCullough an honorary Doctorate of Humane Letters degree. He was also made an honorary member of Phi Beta Kappa at Yale University in 2015.
In May 2016, McCullough received the United States Capitol Historical Society's Freedom Award. It was presented in the National Statuary Hall May 11.
In September 2016, McCullough received the Gerry Lenfest Spirit of the American Revolution Award from the Museum of the American Revolution.