New Brunswick is one of the three Maritime provinces located within Eastern Canada. According to the 2021 Canadian census, it is the eighth most populous province in Canada with 775,610 inhabitants, and the third smallest by land area, covering 71,248.5 square kilometres (27,509.2 sq mi). Following the 2023 local governance reform, the number of municipalities in New Brunswick was reduced from 104 to 77, out of which eight are categorized as cities. While the number of cities remained the same before and post-reform, nearly all cities saw nearby areas amalgamate into them. Because this happened after the 2021 census, updated data will be not be officially recorded by Statistics Canada until the next Canadian census in 2026.

Cities, towns and villages in New Brunswick are referred to as municipalities and all are included in local governments in the province, which may be incorporated under the Local Governance Act of 2017. To incorporate a city in New Brunswick, an area needs to have a minimum of 10,000 residents. Although Campbellton's population falls below this threshold, it is still categorized as a city due to being incorporated prior to January 1, 1967. Each city in New Brunswick, with the exception of Miramichi, has wards in its municipal governments. Additionally, Bathurst has a "hybrid" council type, containing seven seats for general councillors and two for ward councillors.

The largest city by population in New Brunswick is Moncton with 79,470 residents, and the smallest is Campbellton with 7,049 residents. Campbellton is also the smallest city by land area, spanning 18.57 square kilometres (7.17 sq mi), while Saint John is the largest at 315.59 square kilometres (121.85 sq mi). Additionally, Saint John was the first incorporated city in the future New Brunswick and Canada overall with its charter being signed on May 18, 1785. The most recent incorporated city in the province was Dieppe, on January 1, 2003. Fredericton is the capital city of New Brunswick.

Cities

• Largest cities in New Brunswick by population
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  Moncton, New Brunswick's largest city by population
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  Aerial view of Saint John, second most populous city in New Brunswick
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  Skyline of Fredericton, New Brunswick's capital and third largest city by population
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  Dieppe, fourth most populous city in New Brunswick

Cities in New Brunswick

Name	County	Council type	Council size	2021 Census of Population					Incorporation date
				Population (2021)	Population (2016)	Change	Land area (km)	Population density
Bathurst	Gloucester	Hybrid	9	12,157	11,897	+2.2%	91.62	132.7/km	January 1, 1966
Campbellton	Restigouche	Ward	10	7,047	6,883	+2.4%	18.57	379.5/km	January 1, 1958
Dieppe	Westmorland	Ward	8	28,114	25,384	+10.8%	77.02	365.0/km	January 1, 2003
Edmundston	Madawaska	Ward	10	16,437	16,580	−0.9%	106.84	153.8/km	April 29, 1952
Fredericton	Sunbury & York	Ward	12	63,116	58,721	+7.5%	133.93	471.3/km	March 30, 1848
Miramichi	Northumberland	At-large	8	17,692	17,537	+0.9%	178.98	98.8/km	January 1, 1995
Moncton	Westmorland	Ward	10	79,470	71,889	+10.5%	140.67	564.9/km	April 23, 1890
Saint John	Saint John	Ward	10	69,895	67,575	+3.4%	315.59	221.5/km	May 18, 1785
Total cities				293,928	276,466	+6.3%	1,063.22	276.5/km	—
New Brunswick				775,610	747,101	+3.8%	71,248.5	10.9/km	—

• 
  Waterfront view of Miramichi, New Brunswick's fifth most populous city
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  Skyline of Edmundston, sixth most populous city in New Brunswick
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  Waterfront and road view of Bathurst, New Brunswick's second least populous city
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  Restigouche Sam in Campbellton, New Brunswick's least populous city, and Sugarloaf Mountain

See also

• List of municipalities in New Brunswick
• List of counties of New Brunswick