Population of Middlesex (1801–81) Population of Middlesex (1801–1881) Population of Middlesex (1801–1881)

| Year_ | Edmonton_Hundred | Elthorne_Hundred | Gore_Hundred | Isleworth_Hundred | Ossulstone_Hundred_Holborn_Division | Ossulstone_Hundred_Finsbury_Division | Ossulstone_Hundred_Kensington_Division | Ossulstone_Hundred_Tower_Division | Spelthorne_Hundred | London_City_Within_the_Walls | London_City_Without_the_Walls | Inns_of_Court_and_Chancery | Westminster_City_and_Liberty | Total_ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1861 | 40885 | 42274 | 15341 | 23610 | 551487 | 312553 | 223305 | 773621 | 24795 | 44400 | 73125 | 1272 | 254463 | 2206485 |
| 1871 | 57332 | 46996 | 21291 | 30463 | 604891 | 381702 | 350688 | 902056 | 33069 | 28093 | 50733 | 1138 | 246592 | 2539765 |
| 1881 | 94185 | 51932 | 27029 | 35206 | 622865 | 482264 | 524122 | 1018337 | 40400 | 18851 | 32389 | 1011 | 228993 | 2920485 |