Elections to Blackburn with Darwen Borough Council were held on 5 May 2011, alongside other local elections across the United Kingdom. 21 seats (one third) of the council were up for election. Following the election the council remained under Labour control.
| Results[1] | ||||
|---|---|---|---|---|
| Party | Seats before | Change | Seats after | |
| Labour | 32 | 5 | 37 | |
| Conservative Party | 19 | 2 | 17 | |
| Liberal Democrats | 8 | 2 | 6 | |
| Others | 5 | 1 | 4 | |