Health Regions: Boundaries and Correspondence with Census Geography
Table 7-b
Summary of changes to health region codes, names and boundaries, 2003 and 2005

Table of contents
Table summary
This table displays the results of Summary of changes to health region codes. The information is grouped by 2003 (appearing as row headers), 2005 (appearing as column headers).
2003 2005
Newfoundland and Labrador Note 1  
1001, Health and Community Services St. John's Region 1011, Eastern Regional Integrated Health AuthorityNote 7Note 8
1002, Health and Community Services Eastern Region 1011, Eastern Regional Integrated Health AuthorityNote 7Note 8
1003, Health and Community Services Central Region 1012, Central Regional Integrated Health AuthorityNote 8
1004, Health and Community Services Western Region 1013, Western Regional Integrated Health AuthorityNote 8
1005, Grenfell Regional Health Services Board 1014, Labrador‑Grenfell Regional Integrated Health AuthorityNote 7Note 8
1006, Health Labrador Corporation 1014, Labrador‑Grenfell Regional Integrated Health AuthorityNote 7Note 8
Prince Edward Island  
1101, West Prince no change
1102, East Prince no change
1103, Queens no change
1104, Kings no change
Nova ScotiaNote 2Note 3  
1201, Zone 1 no change
1202, Zone 2 no change
1203, Zone 3 no change
1204, Zone 4 no change
1205, Zone 5 no change
1206, Zone 6 no change
Note ...: not applicable 1211, District health authority 1
Note ...: not applicable 1212, District health authority 2
Note ...: not applicable 1213, District health authority 3
Note ...: not applicable 1214, District health authority 4
Note ...: not applicable 1215, District health authority 5
Note ...: not applicable 1216, District health authority 6
Note ...: not applicable 1217, District health authority 7
Note ...: not applicable 1218, District health authority 8
Note ...: not applicable 1219, District health authority 9
New Brunswick  
1301, Region 1 no change
1302, Region 2 no change
1303, Region 3 no change
1304, Region 4 no change
1305, Region 5 no change
1306, Region 6 no change
1307, Region 7 no change
Quebec  
2401, Région du Bas‑Saint‑Laurent no change
2402, Région du Saguenay—Lac‑Saint‑Jean no change
2403, Région de Québec 2403, Région de la Capitale-NationaleNote 8
2404, Région de la Mauricie et Centre‑du‑Québec no change
2405, Région de l’Estrie no change
2406, Région de Montréal‑Centre 2406, Région de MontréalNote 8
2407, Région de l’Outaouais no change
2408, Région de l’Abitibi‑Témiscamingue no change
2409, Région de la Côte‑Nord no change
2410, Région du Nord‑du‑Québec no change
2411, Région de la Gaspésie—Îles‑de‑la‑Madeleine no change
2412, Région de la Chaudière‑Appalaches no change
2413, Région de Laval no change
2414, Région de Lanaudière no change
2415, Région de Laurentides no change
2416, Région de la Montérégie no change
2417, Région du Nunavik no change
2418, Région des Terres‑Cries‑de‑la‑Baie‑James no change
OntarioNote 5  
3501, Champlain DHC Note ...: not applicable
3502, Southeastern Ontario DHC Note ...: not applicable
3503, Durham‑Haliburton‑Kawartha and Pine Ridge DHC Note ...: not applicable
3504, Toronto DHC Note ...: not applicable
3505, Simcoe York DHC Note ...: not applicable
3506, Halton‑Peel DHC Note ...: not applicable
3507, Waterloo Region‑Wellington‑Dufferin DHC Note ...: not applicable
3508, Hamilton DHC Note ...: not applicable
3509, Niagara DHC Note ...: not applicable
3510, Grand River DHC Note ...: not applicable
3511, Thames Valley DHC Note ...: not applicable
3512, Essex‑Kent and Lambton DHC Note ...: not applicable
3513, Grey Bruce Huron Perth DHC Note ...: not applicable
3514, Northern Shores DHC Note ...: not applicable
3515, Algoma‑Cochrane‑Manitoulin and Sudbury DHC Note ...: not applicable
3516, Northwestern Ontario DHC Note ...: not applicable
Note ...: not applicable 3501, Erie St. Clair
Note ...: not applicable 3502, South West
Note ...: not applicable 3503, Waterloo Wellington
Note ...: not applicable 3504, Hamilton Niagara Haldimand Brant
Note ...: not applicable 3505, Central West
Note ...: not applicable 3506, Mississauga Halton
Note ...: not applicable 3507, Toronto Central
Note ...: not applicable 3508, Central
Note ...: not applicable 3509, Central East
Note ...: not applicable 3510, South East
Note ...: not applicable 3511, Champlain
Note ...: not applicable 3512, North Simcoe Muskoka
Note ...: not applicable 3513, North East
Note ...: not applicable 3514, North West
3526, The District of Algoma Health Unit no change
3527, Brant County Health Unit no change
3530, Durham Regional Health Unit no change
3531, Elgin‑St Thomas Health Unit no change
3533, Grey Bruce Health Unit no change
3534, Haldimand‑Norfolk Health Unit no change
3535, Haliburton, Kawartha, Pine Ridge District Health Unit no change
3536, Halton Regional Health Unit no change
3537, City of Hamilton Health Unit no change
3538, Hastings and Prince Edward Counties Health Unit no change
3539, Huron County Health Unit no change
3540, Chatham‑Kent Health Unit no change
3541, Kingston, Frontenac and Lennox and Addington Health Unit no change
3542, Lambton Health Unit no change
3543, Leeds, Grenville and Lanark District Health Unit no change
3544, Middlesex‑London Health Unit no change
3545, Muskoka‑Parry Sound Health UnitNote 4 Note ...: not applicable
3546, Niagara Regional Area Health Unit no change
3547, North Bay and District Health Unit 3547, North Bay Parry Sound District Health UnitNote 7Note 8
3549, Northwestern Health Unit no change
3551, City of Ottawa Health Unit no change
3552, Oxford County Health Unit no change
3553, Peel Regional Health Unit no change
3554, Perth District Health Unit no change
3555, Peterborough County‑City Health Unit no change
3556, Porcupine Health Unit no change
3557, Renfrew County and District Health Unit no change
3558, The Eastern Ontario Health Unit no change
3560, Simcoe County District Health Unit 3560, Simcoe Muskoka District Health UnitNote 7Note 8
3561, Sudbury and District Health Unit no change
3562, Thunder Bay District Health Unit no change
3563, Timiskaming Health Unit no change
3565, Waterloo Health Unit no change
3566, Wellington‑Dufferin‑Guelph Health Unit no change
3568, Windsor‑Essex County Health Unit no change
3570, York Regional Health Unit no change
3595, City of Toronto Health Unit no change
Manitoba  
4610, Winnipeg no change
4615, Brandon no change
4620, North Eastman no change
4625, South Eastman no change
4630, Interlake no change
4640, Central no change
4645, Assiniboine no change
4660, Parkland no change
4670, Norman no change
4685, Burntwood/ChurchillNote 5 no change
Saskatchewan  
4701, Sun Country no change
4702, Five Hills no change
4703, Cypress no change
4704, Regina Qu'Appelle no change
4705, Sunrise no change
4706, Saskatoon no change
4707, Heartland no change
4708, Kelsey Trail no change
4709, Prince Albert Parkland no change
4710, Prairie North no change
4714, Mamawetan/Keewatin/AthabascaNote 5 no change
AlbertaNote 6Note 7Note 8  
4820 Chinook Regional Health Authority no change
4821 Palliser Health Region no change
4822 Calgary Health Region 4822 Calgary Health RegionNote 7
4823 David Thompson Regional Health Authority 4823 David Thompson Regional Health AuthorityNote 7
4824 East Central Health no change
4825 Capital Health no change
4826 Aspen Regional Health Authority no change
4827 Peace Country Health no change
4828 Northern Lights Health Region no change
British Columbia  
5911, East Kootenay no change
5912, Kootenay‑Boundary no change
5913, Okanagan no change
5914, Thompson/Cariboo no change
5921, Fraser East no change
5922, Fraser North no change
5923, Fraser South no change
5931, Richmond no change
5932, Vancouver no change
5933, North Shore/Coast Garibaldi no change
5941, South Vancouver Island no change
5942, Central Vancouver Island no change
5943, North Vancouver Island no change
5951, Northwest no change
5952, Northern Interior no change
5953, Northeast no change
Territories  
6001, Yukon no change
6101, Northwest Territories no change
6201, Nunavut no change
... not applicable
Note 1.

In Newfoundland and Labrador, six community health regions were reduced to four Regional Integrated Health Authroities (RIHAs). Boundaries are unchanged for two RIHAs and the other four have been collapsed into two. Name and code changes in effect as of March 1st, 2005.

Return to note 1 referrer

Note 2.

The six zones are aggregations of the nine District Health Authorities (DHA). Zones 1, 3 and 4 are each comprised of two DHAs. The remaining three zones change in name only with the following small exception. Mount Uniacke area, previously part of Zone 3 is cut-off by new DHA 4 boundary. Statistics for this area (population 1,114) will be included with DHA 9 (Halifax area). As a result, there is high comparability between Zone 6 and DHA 9 and between Zone 3 and DHA 4/5.
Zone 1 = 1211 District Health Authority (DHA) 1, 1212 District Health Authority (DHA) 2
Zone 2 = 1213 District Health Authority (DHA) 3
Zone 3 = 1214 District Health Authority (DHA) 4, 1215 District Health Authority (DHA) 5
Zone 4 = 1216 District Health Authority (DHA) 6, 1217 District Health Authority (DHA) 7
Zone 5 = 1218 District Health Authority (DHA) 8
Zone 6 = 1219 District Health Authority (DHA) 9.

Return to note 2 referrer

Note 3.

District health councils (DHC) were dissolved. 14 Local Health Integration Networks (LHINs) came into effect April 1st, 2005.

Return to note 3 referrer

Note 4.

As of April 1, 2005 Muskoka‑Parry Sound Health Unit dissolved. The Muskoka part of this region was combined with Simcoe County District increasing the population by 14%, and the Parry Sound part joined North Bay and District, increasing the population by 30%.

Return to note 4 referrer

Note 5.

For most data sources (with the exception of Census and Demographic population estimates), health region level data are not available for some northern health regions in Manitoba and Saskatchewan which have small populations. To avoid suppression in these areas where small numbers or sample size impact on data quality, data have been grouped with neighbouring regions, as follows: Churchill Regional Health Authority, Manitoba (4690) is combined with Burntwood Regional Health Authority (4680) and referred to as "Burntwood/Churchill (4685)"; and, Athabasca Health Authority (4713) Saskatchewan is combined with Mamawetan Churchill River Regional Health Authority (4711) and Keewatin Yatthé Regional Health Authority (4712) and referred to as "Athabasca/Keewatin/Mamawetan (4714)"

Return to note 5 referrer

Note 6.

In December 2003 Calgary Health Region gained a population of approximately 13,000 (or 1.2%) from David Thompson Regional Health Authority which lost 4.4% total population.

Return to note 6 referrer

Note 7.

Indicates where boundaries have changed, affecting comparability with previous year’s data.

Return to note 7 referrer

Note 8.

Represents health region name change.

Return to note 8 referrer

Source: Statistics Canada.


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