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Ontario region guides
15 area guides · 268 communities · checked October 8, 2026
Most of our local pages are for cities. These guides cover the counties and regions around them, town by town, with the numbers that shape an energy audit or a home health test there: the local health unit's radon and well-water programs, climate normals, the housing stock and the energy advisors registered for nearby postal codes.
County of Simcoe and the District of Muskoka
350,222 people66 communities
Adjala-Tosorontio, Alliston, Amigo Beach, Angus, Bass Lake, Beeton, Bell Ewart, Big Bay Point, Bond Head, Bracebridge, Bradford, Bradford West Gwillimbury, CFB Borden, Clearview, and 53 more.
City pages nearby: Barrie
Open the Simcoe County guide →Regional Municipality of York, outside Vaughan, Markham and Richmond Hill
309,475 people21 communities
Aurora, Ballantrae, East Gwillimbury, Elmhurst Beach, Georgina, Gormley, Holland Landing, Jacksons Point, Keswick, King, King City, Mount Albert, Newmarket, Nobleton, and 7 more.
City pages nearby: Vaughan, Markham, Richmond Hill
Open the York Region guide →Woolwich, Wellesley, Wilmot and North Dumfries
70,365 people20 communities
Ayr, Bloomingdale, Branchton, Breslau, Conestogo, Elmira, Hawkesville, Heidelberg, Linwood, New Dundee, New Hamburg, North Dumfries, Petersburg, St. Agatha, and 6 more.
City pages nearby: Kitchener, Waterloo, Cambridge
Open the Waterloo Region townships guide →Regional Municipality of Niagara, outside St. Catharines
341,138 people26 communities
Allanburg, Beamsville, Caistor Centre, Campden, Chippawa, Fenwick, Fort Erie, Grimsby, Jordan Station, Lincoln, Mississauga Beach, Niagara Falls, Niagara-on-the-Lake, Pelham, and 12 more.
City pages nearby: St. Catharines
Open the Niagara Region guide →North Durham: Scugog, Uxbridge and Brock
55,704 people14 communities
Beaverton, Brock, Caesarea, Cannington, Goodwood, Greenbank, Leaskdale, Nestleton Station, Port Perry, Prince Albert, Scugog, Sunderland, Udora, Uxbridge.
City pages nearby: Pickering, Clarington, Whitby, Oshawa, Ajax
Open the Durham Region guide →Norfolk County (single-tier)
67,490 people13 communities
Courtland, Delhi, Langton, Norfolk County, Port Dover, Port Rowan, Simcoe, Teeterville, Turkey Point, Vittoria, Walsingham, Waterford, Wilsonville.
Open the Norfolk County guide →Haldimand County (single-tier)
49,216 people10 communities
Caledonia, Cayuga, Dunnville, Hagersville, Haldimand County, Jarvis, Nanticoke, Selkirk, Townsend, York.
Open the Haldimand County guide →County of Dufferin
66,257 people10 communities
Amaranth, East Garafraxa, Grand Valley, Mansfield, Melancthon, Mono, Mulmur, Orangeville, Orton, Shelburne.
Open the Dufferin County guide →County of Wellington
97,286 people21 communities
Ariss, Arkell, Arthur, Ballinafad, Belwood, Centre Wellington, Drayton, Elora, Erin, Fergus, Guelph/Eramosa, Harriston, Hillsburgh, Mapleton, and 7 more.
City pages nearby: Guelph
Open the Wellington County guide →County of Brant (single-tier)
39,474 people9 communities
Brant, Burford, Glen Morris, Harley, Mount Pleasant, Oakland, Paris, Scotland, St. George.
City pages nearby: Brantford
Open the County of Brant guide →County of Grey
100,905 people19 communities
Chatsworth, Clarksburg, Dundalk, Durham, Feversham, Flesherton, Georgian Bluffs, Grey Highlands, Hanover, Kimberley, Markdale, Maxwell, Meaford, Owen Sound, and 5 more.
Open the Grey County guide →Town of Caledon (Region of Peel)
76,581 people9 communities
Alton, Belfountain, Bolton, Caledon, Caledon East, Caledon Village, Cheltenham, Inglewood, Palgrave.
City pages nearby: Brampton
Open the Caledon guide →Town of Halton Hills (Region of Halton)
62,951 people6 communities
Acton, Georgetown, Glen Williams, Halton Hills, Hornby, Norval.
City pages nearby: Milton
Open the Halton Hills guide →Prince George, the Peace region and area
158,511 people11 communities
Chetwynd, Dawson Creek, Fort St. John, Hudson's Hope, Mackenzie, McBride, Pouce Coupe, Prince George, Taylor, Tumbler Ridge, Valemount.
Open the Northern BC guide →Okanagan Valley, outside Kelowna
188,672 people13 communities
Armstrong, Coldstream, Enderby, Lake Country, Lumby, Oliver, Osoyoos, Peachland, Penticton, Spallumcheen, Summerland, Vernon, West Kelowna.
City pages nearby: Kelowna
Open the Okanagan guide →Communities come from Natural Resources Canada's geographical names database and Statistics Canada's population centres, grouped by municipality. Population and housing figures are from the 2021 Census, climate normals from Environment and Climate Change Canada, design temperatures from the National Building Code 2020, and radon and well-water details from Health Canada and each area's public health unit. Each guide lists its sources.
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