The census returns for 1891 were taken on the evening of April 5th and the area of Idle is covered by piece RG12/3652 & 3653.

ED15, Folios 101-114, Enumerator: William Fallon

Boundary being that part bounded on the East by the Grove, on the South by Albert Buildings, on the West by the Railway and on the North by Bell's Block.
Contents. Part of the township of Idle comprising all the dwelling houses in Bradford Road (both sides) extending from Green Row to the Railway Bridge. Including Green Row, Springfield Place, Albert Buildings, Spring Street, Hargreaves Place, Derby Street, Granville Street, Dunkhill and Springfield Mill, Bradford Road (west side) extending from Springfield Mill to Leyfleaks bottom. Including Princess Street, Bright Street, Greenfield Place, Kensington Place, Cobden Street, Wellington Street, Booth Street, Leyfleaks Road (south side) from Bradford Road to the Railway, Bell's Block of Buildings, Green Top, Bradford Road (east side). Extending from Cavendish Road to the Grove. Including the Police Station and the Grove. All in the Parliamentary Division of Shipley.