| Enumerated Area | pre1851 | 1851 | 1861 | 1871 | 1881 | 1891 | 1901 | 1911 |
| Badgerow Twp | NIP | NIP | NIP | |||||
| Bagot Twp | REN | REN | REN | REN | REN | REN | REN | |
| Bailieboro Village | PET | PET | ||||||
| Bailieboro Village | DUR | |||||||
| Balderson | LNK | |||||||
| Baldwin Twp | NIP | ALG | ||||||
| Baldwin Village | YOR | |||||||
| Balfour Twp | ALG | |||||||
| Ballantyne Twp | NIP | NIP | NIP | |||||
| Ballymote Village | MID | |||||||
| Balsam Village | ONT | |||||||
| Balsouer Village | VIC | |||||||
| Bamberg Village | WAT | |||||||
| Bancroft | HAS | |||||||
| Bangor Twp | HAS | HAS | HAS | HAS | HAS | |||
| Banning | TBRR | |||||||
| Bar River | ALG | |||||||
| Barkly | ALG | |||||||
| Barnet Twp | NIP | |||||||
| Baron | NIP | |||||||
| Barr Twp | NIP | |||||||
| Barrie Island | ALG | ALG | ALG | ALG | ||||
| Barrie Town | SIM | SIM | SIM | SIM | SIM | SIM | ||
| Barrie Twp | FRO | LnA | LnA | LnA | LnA | FRO | ||
| Barriefield Village | FRO | |||||||
| Barton Twp | WTW | WTW | WTW | WTW | WTW | WTW | WTW | WTW |
| Barwick Twp | TBRR | |||||||
| Bastard Twp | LEE | LEE | LEE | LEE | LEE | LEE | LEE | LEE |
| Bastedo | NIP | |||||||
| Batchawana | ALG | |||||||
| Batchewaning | ALG | |||||||
| Bath Village | LnA | LnA | LnA | LnA | LnA | |||
| Bathurst Twp | LNK | LNK | LNK | LNK | LNK | LNK | LNK | LNK |
| Battersea Village | FRO | |||||||
| Baxter Twp | MUS | MUS | MUS | |||||
| Bayfield Village | HUR | HUR | HUR | HUR | ||||
| Bayham Twp | ELG | ELG | ELG | ELG | ELG | ELG | ELG | ELG |
| Bayham Village | ELG | |||||||
| Baysville | ONT | |||||||
| Beachburg Village | REN | REN | ||||||
| Beachville | OXF | |||||||
| Beaconsfield | STO | |||||||
| Beamsville Village | LIN | LIN | LIN | LIN | ||||
| Bear Creek | NIP | |||||||
| Bear Island | NIP | |||||||
| Beatty | NIP | |||||||
| Beaucage Indian Reservation | NIP | |||||||
| Beauchamp Twp | NIP | |||||||
| Beaudro Fishery | ALG | |||||||
| Beaver Mills | ALG | |||||||
| Beaver Twp | ALG | |||||||
| Beaverton Village | ONT | ONT | ONT | |||||
| Beckwith Twp | LNK | LNK | LNK | LNK | LNK | LNK | LNK | LNK |
| Bedford Twp | FRO | LnA | LnA | LnA | LnA | FRO | ||
| Bee Island | ALG | |||||||
| Beeton Village | SIM | SIM | SIM | |||||
| Belgrave Village | HUR | |||||||
| Belle River Village | ESS | ESS | ESS | ESS | ||||
| Belleville City | HAS | HAS | HAS | HAS | HAS | HAS | HAS | |
| Belmond | WGT | |||||||
| Belmont Twp | PET | PET | PET | PET | PET | PET | PET | |
| Belmont Village | ELG | |||||||
| Belmont Village | MID | |||||||
| Belmore Village | HUR | |||||||
| Belmore Village | BRU | |||||||
| Ben Miller Village | HUR | |||||||
| Benoit Twp | NIP | |||||||
| Bentinck Twp | GRY | GRY | GRY | GRY | GRY | GRY | GRY | |
| Berive Village | BRU | |||||||
| Berkeley Village | GRY | |||||||
| Berlin Town | WAT | WAT | WAT | WAT | WAT | WAT | ||
| Berry Twp | NIP | |||||||
| Berth | NIP | ALG | ||||||
| Bertie Twp | WLD | WLD | WLD | WLD | WLD | WLD | WLD | |
| Bertram | NIP | |||||||
| Berwick Village | STO | STO | ||||||
| Bessemer Village | HAS | |||||||
| Bethune Twp | MUS | MUS | MUS | PSD | ||||
| Beverly Twp | WTW | WTW | WTW | WTW | WTW | WTW | WTW | |
| Bexley Twp | VIC | VIC | VIC | VIC | VIC | VIC | VIC | |
| Biddulph Twp | MID | HUR | HUR | MID | MID | MID | MID | MID |
| Bidwell Twp | ALG | ALG | ALG | ALG | ||||
| Big Island | ALG | TBRR | ||||||
| Big Pine Lake | TBRR | |||||||
| Biggar Twp | NIP | NIP | ||||||
| Bigsby | ALG | |||||||
| Bigsby Island | ALG | |||||||
| Billings Bridge | RUS | RUS | ||||||
| Billings Twp | ALG | ALG | ALG | ALG | ||||
| Binbrook Twp | MS | WTW | WTW | WTW | WTW | WTW | WTW | |
| Birr Village | MID | |||||||
| Biscotasing Twp | ALG | NIP | ALG | |||||
| Biscotasing Village | ALG | |||||||
| Bishop | NIP | |||||||
| Bissett Village | NIP | |||||||
| Black Creek Village | WLD | |||||||
| Black River | ALG | |||||||
| Blackheath Village | WTW | |||||||
| Blackstock Twp | NIP | |||||||
| Blackstock Village | DUR | |||||||
| Blain | NIP | |||||||
| Blain | TBRR | |||||||
| Blair | WAT | |||||||
| Blair Twp | MUS | MUS | PSD | |||||
| Blake | ALG | TBRR | ||||||
| Blakeney Village | LNK | |||||||
| Blandford Twp | OXF | OXF | OXF | OXF | OXF | OXF | OXF | |
| Blanshard Twp | PER | PER | PER | PER | PER | PER | PER | PER |
| Blenheim Town | KEN | KEN | KEN | KEN | ||||
| Blenheim Twp | OXF | OXF | OXF | OXF | BRA | BRA | OXF | |
| Blezard Twp | NIP | NIP | NIP | |||||
| Blezard Valley Village | NIP | |||||||
| Blind River | ALG | ALG | ||||||
| Bloomfield | PED | |||||||
| Bloomingdale | WAT | |||||||
| Bloomington | YOR | |||||||
| Blount Twp | NIP | |||||||
| Blue Twp | ALG | TBRR | ||||||
| Bluevale Village | HUR | |||||||
| Blyth Village | HUR | HUR | HUR | HUR | ||||
| Blytheswood Village | ESS | |||||||
| Blythfield Twp | REN | REN | REN | REN | REN | REN | REN |