1975 population estimate for Dublin, Ireland In 1975, Dublin, Ireland has an estimated population of 833,000 people. 1950/Dublin-Ireland.html>1950 | 1955/Dublin-Ireland.html>1955 | 1960/Dublin-Ireland.html>1960 | 1965/Dublin-Ireland.html>1965 | 1970/Dublin-Ireland.html>1970 | 1975/Dublin-Ireland.html>1975 | 1980/Dublin-Ireland.html>1980 | 1985/Dublin-Ireland.html>1985 | 1990/Dublin-Ireland.html>1990 | 1995/Dublin-Ireland.html>1995 | 2000/Dublin-Ireland.html>2000 | 2005/Dublin-Ireland.html>2005 | 2010/Dublin-Ireland.html>2010 | 2015/Dublin-Ireland.html>2015 | full/Dublin-Ireland.html>All years 1950-2000/Dublin-Ireland.html>1950-2000 | 1950-2015/Dublin-Ireland.html>1950-2015 | 1955-2005/Dublin-Ireland.html>1955-2005 | 1960-2000/Dublin-Ireland.html>1960-2000 | 1970-2000/Dublin-Ireland.html>1970-2000 | 1975-2005/Dublin-Ireland.html>1975-2005 | 1985-2005/Dublin-Ireland.html>1985-2005 | 1995-2005/Dublin-Ireland.html>1995-2005 | 2000-2005/Dublin-Ireland.html>2000-2005 | 2005-2010/Dublin-Ireland.html>2005-2010 | 2005-2015/Dublin-Ireland.html>2005-2015