Kilkenny came into the season as defending champions of the 1975-76 season. Wicklow entered Division 1 as the promoted team.
On 24 April 1977, Clare won the title after a 2–8 to 0–9 win over Kilkenny in the final. It was their second league title overall and their first since 1945-46.[1][2]
Wicklow were relegated from Division 1 after just one season in the top flight.