The Electoral district of Northumberland Boroughs was an electorate of the partially elected New South Wales Legislative Council, created for the first elections for the Council in 1843.

[2] Morpeth was added to the electorate from 1851 while Newcastle was removed from the electorate to form, with Raymond Terrace, the North Eastern Boroughs.

The district was represented by the Legislative Assembly electorate of Northumberland Boroughs.

D'Arcy Wentworth resigned in July 1845.

The election of Patrick Grant was declared void on the grounds that he was not qualified to stand,[9] however he was re-elected unopposed.