Northumberland County, Ontario

Northumberland County
County (upper-tier)
County of Northumberland
Motto: "Strength Honour And Beauty"

Location of Northumberland County within Ontario
Coordinates: 44°07′N 78°02′W / 44.117°N 78.033°W / 44.117; -78.033Coordinates: 44°07′N 78°02′W / 44.117°N 78.033°W / 44.117; -78.033
Country  Canada
Province  Ontario
County seat Cobourg
Population (2011)[1]
  Total 81,657
Time zone EST (UTC-5)
  Summer (DST) EDT (UTC-4)

Northumberland County is situated on the north shore of Lake Ontario, in central Ontario, Canada. It is located east of the Regional Municipality of Durham (formerly Durham County), west of Hastings County, southeast of Kawartha Lakes and south of Peterborough County. The county seat is Cobourg. Together with Durham County, it formed the Newcastle District from 1802 to 1849 and the United Counties of Northumberland and Durham from 1850 to 1973. Effective January 1, 1974, part of Durham County was merged with Ontario County to create the Regional Municipality of Durham. At that time, Northumberland reverted to a standalone county.

It was first aggressively settled by United Empire Loyalists fleeing the former 13 British American Colonies in the late 18th century. The Crown provided plots to the settlers for nominal sums (with the stipulation of making the land productive in a set number of years) or free to those who had served against the American Colonial Army. Following the War of 1812, many port towns, Port Hope and Cobourg in particular, became important centres for commercial activity and a landing point for European immigrants arriving on steamers.


Northumberland County consists of seven municipalities:

The Alderville First Nation is within the Northumberland census division but is independent of county administration.


The numbers below are for the Northumberland census division and combine Northumberland County and the Alderville First Nation reserve.

Canada census – Northumberland County, Ontario community profile
2011 2006 2001
Population: 82,126 (1.4% from 2006) 80,963 (4.5% from 2001) 77,497 (4.1% from 1996)
Land area: 1,905.34 km2 (735.66 sq mi) 1,902.97 km2 (734.74 sq mi) 1,903.23 km2 (734.84 sq mi)
Population density: 43.1/km2 (112/sq mi) 42.5/km2 (110/sq mi) 40.7/km2 (105/sq mi)
Median age: 44.8 (M: 44.0, F: 45.6) 41.1 (M: 40.4, F: 41.7)
Total private dwellings: 37,226 35,069 31,769
Median household income:
References: 2011[1] 2006[2] 2001[3]

Historic populations:[3]

Major places


The County also includes seven smaller communities which serve as postal addresses: Campbellcroft, Gore’s Landing, Harwood, Roseneath, Castleton, Codrington, and Trent River.

See also


  1. 1 2 "Northumberland County census profile". 2011 Census of Population. Statistics Canada. Retrieved 2012-03-22.
  2. "2006 Community Profiles". Canada 2006 Census. Statistics Canada. March 30, 2011. Retrieved 2012-03-22.
  3. 1 2 "2001 Community Profiles". Canada 2001 Census. Statistics Canada. February 17, 2012. Retrieved 2012-03-22.
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