Born in Boston, on September 30, 1928, Hogan was raised in Washington, D.C., and attended Gonzaga College High School.

[7] In 1968, Hogan won against incumbent Hervey Machen to represent Maryland's 5th congressional district, and was re-elected in 1970 and 1972.

[10]Hogan entered Maryland's 1974 gubernatorial race when polls showed him a strong challenger to incumbent Governor Marvin Mandel.

Hogan's abandonment of Nixon, however, contributed to his loss in the Republican primary to Louise Gore, who in turn lost to Mandel.

In 1978, Hogan challenged incumbent Prince George's County Executive Win Kelly amid a 'tax revolt' and won the office with 60% of the vote.

[9] Hogan challenged first-term Democratic Senator Paul Sarbanes (who was his House Judiciary Committee colleague during the Nixon impeachment) in 1982 and lost heavily.

[9] Hogan married Ilona Maria Modly in 1974 after his first marriage to Nora Maguire ended with divorce in 1972 after 27 years.

[15] Larry Hogan was also the Republican nominee for the 2024 US Senate election in Maryland, running against Prince George's County Executive Angela Alsobrooks.