One third of Daventry District Council in Northamptonshire, England was elected each year, followed by one year when there was an election to Northamptonshire County Council instead. Since the last boundary changes in 1999, 38 councillors were elected from 24 wards. In another boundary review in 2012 the councillors were reduced to 36 councillors across 16 wards. The council was abolished in 2021, with the area becoming part of West Northamptonshire.

Political control

From the foundation of the council in 1973 until its abolition in 2021, political control of the council was held by the following parties:

Leadership

The leaders of the council from 1999 until the council's abolition in 2021 were:

Council elections

By-elections

1998-2002

2002-2006

2006-2010

2010-2014

Conservative councillor Frank Wiig (Brixworth) dies. The seat was held by the Conservatives in a by-election on 15 November 2012. Conservative councillor Nick Bunting (Brixworth) resigned from the council. The seat was held by the Conservatives in a by-election on 2 May 2013. Conservative councillor Kay Driver (Welford) resigned from the council. The seat was held by the Conservatives in a by-election on 2 May 2013. Conservative councillor Ken Melling (Ravensthorpe) dies. The seat was held by the Conservatives in a by-election on 5 September 2013.

2014-2018

Conservative councillor Diana Osborne (Long Buckby) resigned from the council in March 2017. The seat was held by the Conservatives in a by-election on 4 May. New councillor Malcolm Robert Longley's term ends in 2019. Conservative councillor Ann Carter (Walgrave) resigned from the council in March 2018. The seat was contested in a by-election on 3 May. There are elections due in most other wards in Daventry on the same day.

2018-2021

Conservative councillor Fabienne Fraser-Allen (Brixworth) was forced to resign from the council due to non-attendance in June 2019. The seat was contested in a by-election on 18 July 2019. The term was due to end in 2020 but was extended one year due to the creation of a new West Northamptonshire Authority. Labour councillor Aiden Ramsey resigned as he moved away from the area after being elected in 2018. The seat was contested in a by-election on 24 October 2019. The term was due to end in 2022 but ended in 2021 due to the creation of a new West Northamptonshire Council.