The Copenhagen County District (Danish: Københavns Amtskreds) was an electoral district for the Danish parliament (Folketing) from 1920 to 2006. The county constituency consisted of Copenhagen County. The constituency was dissolved in the structural reform of 2007. Most of the area is now in the Greater Copenhagen constituency. However, the was transferred to the Copenhagen constituency, while three former municipalities to the north were transferred to the North Zealand constituency.
The county district was divided into the following constituencies, with their constituent municipalities in parentheses:
At the 2005 Danish general election, there were 444,739 eligible voters in the Copenhagen County constituency. The district was awarded 20 mandates, including 6 additional mandates. The turnout was 85.81%.
<nowiki>*</nowiki> The Christian Democrats ran in 2001 under the name Kristeligt Folkeparti.
At the 2001 Danish general election, there were 449,464 eligible voters in the Copenhagen County constituency. The district was awarded 19 mandates, including 5 additional mandates. The turnout was 87.97%.
At the 1998 Danish general election, there were 449,823 eligible voters in Copenhagen County constituency. The district was awarded 20 mandates, including 6 additional mandates. The turnout was 87.40%.
At the 1994 Danish general election, there were 457,119 eligible voters in Copenhagen County constituency. The district was awarded 18 mandates, including 3 additional mandates. The turnout was 85.95%.
At the 1990 Danish general election, there were 458,585 eligible voters in Copenhagen County. The district was awarded 19 mandates, including 4 additional mandates. The turnout was 83.87%.
At the 1988 Danish general election, there were 459,941 eligible voters in the Copenhagen County constituency. The district was awarded 18 mandates, including 3 additional mandates. The turnout was 86.63%.
At the 1987 Danish general election, there were 461,471 eligible voters in the Copenhagen County constituency. The district was awarded 21 mandates, including 6 additional mandates. The turnout was 87.93%.
At the 1984 Danish general election, there were 459,635 eligible voters in the Copenhagen County constituency. The district was awarded 21 mandates, including 6 additional mandates. The turnout was 89.82%.
<nowiki>*</nowiki> Mogens Glistrup was subsequently declared ineligible, and his mandate went to Pia Kjærsgaard instead.
At the 1981 Danish general election, there were 455,064 eligible voters in the Copenhagen County constituency. The district was awarded 21 mandates, including 6 additional mandates. The turnout was 85.17%.
At the 1979 Danish general election, there were 451,188 eligible voters in the Copenhagen County constituency. The district was awarded 19 mandates, including 4 additional mandates. The turnout was 87.45%.
At the 1977 Danish general election, there were 427,550 eligible voters in the Copenhagen County constituency. The district was awarded 18 mandates, including 3 additional mandates. The turnout was 90.72%.
At the 1975 Danish general election, there were 421,074 eligible voters in Copenhagen County. The district was awarded 20 mandates, including 5 additional mandates. The turnout was 89.62%
At the 1973 Danish general election, there were 417,851 eligible voters in the Copenhagen County constituency. The district was awarded 21 mandates, including 6 additional mandates. The turnout was 90.81%.
At the 1971 Danish general election, there were 401,997 voters in Copenhagen County. The district was awarded 19 mandates, including 4 additional mandates. The turnout was 88.94%.