City of Cape Town elections

In terms of the Eighth Amendment of the Constitution and the judgment of the Constitutional Court in United Democratic Movement v President of the Republic of South Africa and Others, in the period from 8–22 October 2002 councillors had the opportunity to cross the floor to a different political party without losing their seats.

The DA also lost 3 councillors to the African National Congress (ANC), 1 to the Universal Party and 1 who became an independent.

At the election of 1 March 2006, the city council was expanded to 210 members with the addition of 5 new wards and 5 new PR list councillors.

[18] Control of the council was not affected because the ID had joined the governing coalition earlier in the year.

At the election of 18 May 2011, the council was expanded to 221 members with the addition of 6 new wards and 5 new PR list seats.

At the election of 3 August 2016, the council was expanded to 231 members with the addition of 5 new wards and 5 new PR list seats.

The following by-elections were held to fill vacant ward seats in the period between the elections in August 2016 and November 2021.

The following by-elections were held to fill vacant ward seats in the period since the election in November 2021.

The DA failed to nominate a candidate in time for the February by-election, which was contested by parties including Good, Al Jama-ah, Economic Freedom Fighters, and the Patriotic Alliance (PA).

Seats in the city council after the 2000 election.
Government:
DA (107)
Opposition:
ANC (77)
ACDP (8)
Others (8)
Seats in the city council after the 2002 floor crossing.
Government:
ANC (80)
NNP (32)
Opposition:
DA (71)
ACDP (8)
Others (9)
Seats in the city council after the 2004 floor crossing.
Government:
ANC (104)
NNP (5)
Opposition:
DA (70)
ACDP (6)
Others (15)
Seats in the city council after the 2006 election.
Government:
DA (90)
ACDP (7)
Others (8)
Opposition:
ANC (81)
ID (23)
PAC (1)
Seats in the city council after the 2007 floor crossing.
Government:
DA (95)
ID (16)
ACDP (7)
Others (3)
Opposition:
ANC (81)
Others (8)
Seats in the city council after the 2011 election.
Government:
DA (135)
Opposition:
ANC (73)
Others (13)
Seats in the city council after the 2016 election.
Government:
DA (154)
Opposition:
ANC (57)
EFF (7)
Others (13)
Results of the election by ward and proportional representation seats
Seats in the city council after the 2021 election.
Government:
DA (135)
Opposition:
ANC (43)
EFF (10)
Good (9)
Others (34)