The following table shows the political composition of the district council since its formation in 1973.

The table below shows the political composition of the twenty-four elected members of the Senate, after each election.

The political composition of the council is (2012 election results)

The political composition of the council at its abolition in 2009 was:

The cabinet should have received a new vote from the Parliament, as its political composition was changed.

On a few occasions, parliament was dissolved if its political composition did not please Kekkonen.

Invariably the political composition of many seats is changed as a result, sometimes decisively.

The current political composition of the council is as follows:

Below is the political composition of the council in 2008 and 2011.

The Conservatives retained control at the 2010 local elections, after which the political composition of the council was: