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Youngest Cities in Ontario

Top 100 cities ranked by youngest cities

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All Countries  ·  Canada  ·  Ontario

Youngest Cities — Ontario

1 Petawawa 32.0
2 Mapleton 32.0
3 Bayham 34.4
4 Wellesley 35.2
5 Brampton 36.0
6 Milton 36.0
7 Waterloo 36.0
8 Norwich 36.0
9 Southgate 36.0
10 Perth East 36.4
11 Shelburne 36.8
12 Kitchener 37.2
13 Thorold 37.2
14 Malahide 37.2
15 North Perth 37.6
16 Essa 37.6
17 Bradford West Gwillimbury 37.6
18 Lucan Biddulph 37.6
19 Sioux Lookout 38.0
20 Guelph 38.4
21 Ajax 38.4
22 London 38.8
23 Orangeville 38.8
24 Oshawa 39.2
25 Barrie 39.2
26 Cambridge 39.2
27 Clarington 39.2
28 Aylmer 39.2
29 Toronto 39.6
30 Woolwich 39.6
31 South-West Oxford 39.6
32 Russell 39.6
33 New Tecumseth 39.6
34 North Stormont 39.6
35 East Gwillimbury 39.6
36 Ottawa 40.0
37 West Perth 40.0
38 Whitby 40.0
39 Mississauga 40.8
40 Windsor 40.8
41 Brantford 40.8
42 Pickering 40.8
43 Minto 40.8
44 Caledon 40.8
45 Woodstock 40.8
46 Hamilton 40.8
47 Ingersoll 40.8
48 Zorra 40.8
49 West Lincoln 40.8
50 Kingston 41.2
51 South Bruce 41.2
52 Leamington 41.2
53 Vaughan 41.6
54 Oakville 41.6
55 Huron East 41.6
56 Newmarket 41.6
57 Whitchurch-Stouffville 41.6
58 Carleton Place 41.6
59 Etobicoke 41.8
60 Nepean 41.8
61 Orléans 41.8
62 Ottawa South 41.8
63 Agincourt South-Malvern West 41.8
64 Stoney Creek 41.8
65 Bedford Park-Nortown 41.8
66 Eglinton East 41.8
67 Waterfront Communities-The Island 41.8
68 Bay Street Corridor 41.8
69 Westminster-Branson 41.8
70 Woburn 41.8
71 Steeles 41.8
72 Willowdale East 41.8
73 Strathroy 41.8
74 Rockcliffe-Smythe 41.8
75 Milliken 41.8
76 Rouge 41.8
77 Georgetown 41.8
78 L'Amoreaux 41.8
79 Islington-City Centre West 41.8
80 Willowridge-Martingrove-Richview 41.8
81 High Park-Swansea 41.8
82 Birchcliffe-Cliffside 41.8
83 Don Valley Village 41.8
84 West Humber-Clairville 41.8
85 Bolton 41.8
86 Mount Olive-Silverstone-Jamestown 41.8
87 Tam O'Shanter-Sullivan 41.8
88 Alta Vista 41.8
89 Church-Yonge Corridor 41.8
90 Niagara 41.8
91 Brooklin 41.8
92 Annex 41.8
93 Glenfield-Jane Heights 41.8
94 Bendale 41.8
95 Mount Pleasant West 41.8
96 Agincourt North 41.8
97 Wexford/Maryvale 41.8
98 South Riverdale 41.8
99 Banbury-Don Mills 41.8
100 York University Heights 41.8

The youngest cities in Ontario by median age tend to be dynamic communities with growing populations and active lifestyles. Petawawa has a median age of 32.0 years.

Young median ages often reflect the presence of universities, military bases, or rapidly growing job markets that attract young workers and families. These cities typically have higher birth rates and more demand for schools and family-oriented services.

Cities with younger populations often feature vibrant nightlife, dining scenes, and cultural activities catered to younger demographics, along with strong demand for rental housing and entry-level employment opportunities.

Did You Know?

  • 1. Half of Petawawa's population is under 32.0 years old.
  • 2. College towns and military base communities typically have the youngest median ages due to their large populations of 18-24 year olds.
  • 3. Cities with young populations often see faster economic growth and more entrepreneurial activity.

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