Youngest Cities in Ontario

Top 100 cities ranked by youngest cities

Best Ontario Cities

Composite rankings combining multiple weighted metrics, 4 topics from climate and air quality data.

Best Climate Cities
Warm temperatures, plenty of sunshine and clean air.
Cleanest Air Cities
Lowest pollution levels for healthy outdoor living.
Sunniest Cities
Most days of sunshine per year, with warm and dry climate.
Most Urban Cities
Densely populated city centers with the largest urban footprints.
Population & Density
Largest Cities Smallest Cities Most Dense Least Dense
Economy
Highest Income Lowest Income Lowest Unemployment Highest Unemployment Lowest Poverty Highest Poverty Highest Wages
Housing
Highest Home Value Most Affordable Highest Rent Lowest Rent Highest Homeownership
Demographics & Education
Most Educated Most Graduate Degrees Youngest Cities Oldest Cities
Climate & Air
Warmest Cities Coldest Cities Rainiest Cities Driest Cities Snowiest Cities
Quality of Life
Shortest Commute Most Work From Home
Geography & Infrastructure
Highest Elevation Most Restaurants
All Countries  ·  Canada  ·  Ontario

Youngest Cities - Ontario

1 Mapleton 32.0
2 Petawawa 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 Malahide 37.2
14 Thorold 37.2
15 Bradford West Gwillimbury 37.6
16 North Perth 37.6
17 Essa 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 North Stormont 39.6
31 New Tecumseth 39.6
32 East Gwillimbury 39.6
33 Woolwich 39.6
34 South-West Oxford 39.6
35 Russell 39.6
36 Ottawa 40.0
37 Whitby 40.0
38 West Perth 40.0
39 Mississauga 40.8
40 Windsor 40.8
41 Brantford 40.8
42 Pickering 40.8
43 Caledon 40.8
44 Woodstock 40.8
45 Minto 40.8
46 West Lincoln 40.8
47 Ingersoll 40.8
48 Hamilton 40.8
49 Zorra 40.8
50 Kingston 41.2
51 Leamington 41.2
52 South Bruce 41.2
53 Vaughan 41.6
54 Oakville 41.6
55 Newmarket 41.6
56 Whitchurch-Stouffville 41.6
57 Carleton Place 41.6
58 Huron East 41.6
59 Cochrane 41.8
60 Wellington North 42.0
61 Halton Hills 42.0
62 Aurora 42.0
63 Arran-Elderslie 42.0
64 Innisfil 42.0
65 Timmins 42.0
66 Markham 42.4
67 East Zorra-Tavistock 42.4
68 North Dumfries 42.4
69 Georgina 42.8
70 Lakeshore Village 42.8
71 Blandford-Blenheim 42.8
72 Wilmot 42.8
73 Petrolia 42.8
74 Greater Sudbury 43.2
75 Greater Sudbury / Grand Sudbury 43.2
76 Peterborough 43.2
77 King 43.2
78 King City 43.2
79 Clarence-Rockland 43.2
80 Springwater 43.2
81 Richmond Hill 43.6
82 Haldimand County 43.6
83 St. Thomas 43.6
84 Strathroy-Caradoc 43.6
85 Middlesex Centre 43.6
86 Thunder Bay 44.0
87 North Bay 44.0
88 Brant 44.0
89 LaSalle 44.0
90 North Huron 44.0
91 North Middlesex 44.0
92 Burlington 44.4
93 Beckwith 44.4
94 Centre Wellington 44.4
95 Lincoln 44.4
96 Kincardine 44.4
97 Brock 44.4
98 St. Catharines 44.8
99 Niagara Falls 44.8
100 St. Clair 44.8

The youngest cities in Ontario by median age tend to be dynamic communities with growing populations and active lifestyles. Mapleton 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 Mapleton'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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