
UnderwoodMarkham
This neighbourhood in Markham has a population of 5,972. It is one of 22 neighbourhoods of Markham.
Is Underwood a good place to live?
A good place to live, if you can afford it. Schools do well (A). Health is another plus (A). Prices are high against local incomes (D−). The local economy is weaker than most (D). Overall, that makes a B+, better than 66% of Canadian towns. Its place in the ranking is #295 of 858 in Ontario.
Rents here are the metro area's average, shared by every town and neighbourhood in it. Safety less sure: this is the whole city's figure, because the city doesn't publish open neighbourhood crime rates. Health is graded on the health region's survey figures and life expectancy, with the distance to hospital giving the town its own spread.
How Underwood grades
Each subject compares Underwood with Canadian towns of 2,500 or more, ordered by how far it is from the middle. Towns in other countries are graded separately.
How TownRatings grades Canadian towns →
What makes Underwood stand out
The 3 things Underwood does most differently from other towns.
The data
Data highlights are ordered by what stands out in Underwood.
Rent takes more of local pay in Underwood than in Ontario’s towns or Canadian towns: 29% of household income
Owners make up 87% of households. 34% of households spent 30% or more of their income on shelter, higher than both Ontario’s towns (22%) and Canadian towns (18%). Underwood doesn’t get its own rent as a share of income and monthly rent for a two-bedroom figures; the ones here come from the Toronto metro area.
What homes were worth · The median owner’s estimate at the 2021 census
| Census 2021 | Underwood | Ontario | Canada |
|---|---|---|---|
| Households spending 30%+ on shelter | 34% | 22% | 18% |
| Rent as a share of income | 29% | 22% | 20% |
| Households owning their home | 87% | 76% | 74% |
Statistics Canada, Census 2021; CMHC Rental Market Survey via Statistics Canada · These are 2021 census values, as owners judged them, set against household income in 2020.
5 school boards share Underwood
Schooling in French is on offer at one of the 47; in Ontario, 10% of schools teach in it. Results lean high: 26 of 43 in the top two fifths in Ontario. Milliken Mills High School is the biggest, at 1,595 students. The 3 km around Underwood counts 39 elementary schools and 8 secondary schools, 23,605 students between them.
| School | Level | Students | System |
|---|---|---|---|
| Parkland Public School Middle fifth in OntarioLargest elementary schoolElementary · Grades JK–8 | Elementary · Grades JK–8 | 805 | English public |
| Milliken Mills High School Second fifth in OntarioLargest secondary schoolSecondary · Grades 9–12 | Secondary · Grades 9–12 | 1,595 | English public |
| École élémentaire Laure-Rièse FrenchTeaches in FrenchElementary · Grades JK–6 | Elementary · Grades JK–6 | 190 | French public |
| Agnes Macphail Public School Top fifth in OntarioResults in the top fifth in OntarioElementary · Grades JK–8 | Elementary · Grades JK–8 | 250 | English public |
Schools by system · Schools within 3 km
| Schools within 3 km | Underwood | Ontario | Canada |
|---|---|---|---|
| School boards | 5 | 4 | 3 |
Provincial school lists and results, 2024-25
Hazard risk in Underwood is lower than in 88% of Canadian towns
Shared with the rest of the city of Markham: earthquake risk
Seismic risk in Underwood sits near the middle: $0.034 of expected damage per $1,000 of buildings a year, the typical town $0.030. Flood mapping: none on the national inventory of the town.
Radon tests above the guideline · share of tested homes, 200 Bq/m³
| Hazards | Underwood | Ontario | Canada |
|---|---|---|---|
| Radon tests above the guideline | 0% | 4% | 6.6% |
| Earthquake loss per $1,000 of buildings a year | $0.034 | $0.043 | $0.030 |
NRCan seismic risk model and burned areas, Health Canada radon survey, the Flood Hazard Map Inventory
Expect 86.3 years of life in the region around Underwood, 4.8 above the typical Canadian town
Health survey and life expectancy for the York Regional Health Unit
Chronic conditions run at 16% of adults, age-standardised, below Ontario’s towns (17%) and Canadian towns (17%) alike. Across the region, just over half of adults say their health is very good or excellent, much as in Ontario (51%). For Underwood itself the measure is access: 3.4 km to the nearest hospital, much like the typical 3.7 km.
Very good or excellent health · adults, age-standardised
| Health | Underwood | Ontario | Canada |
|---|---|---|---|
| Life expectancy at birth | 86.3 | 82.8 | 81.5 |
| Chronic conditions (average share) | 16% | 17% | 17% |
| Smokers | 10% | 10% | 12% |
Statistics Canada, Canadian Community Health Survey 2023/2024 and life expectancy 2022/2024; Open Database of Healthcare Facilities
The share of 15-to-64s with a job in Underwood trails that of 95% of Canadian towns
Commutes averaged 31 min, above both Ontario’s towns (29 min) and Canadian towns (26 min). The car took 89% of commuters, near both Ontario’s towns (88%) and Canadian towns (89%).
How working residents got to work · census 2021
| Census 2021 | Underwood | Ontario | Canada |
|---|---|---|---|
| Average trip | 31 min | 29 min | 26 min |
| Car or van | 89% | 88% | 89% |
Statistics Canada, Census 2021 (labour and commuting) · These are May 2021 figures, gathered while COVID-19 kept many people home or out of work.
Underwood’s grade for safety: a B+
Where it is policed, thefts, break-ins and damage came to 21.4 per 1,000 a year, below both Ontario’s towns (30.5) and Canadian towns (31.2). Violence across its police area runs at 9.7 per 1,000 residents a year.
Year by year · Crime Severity Index for each year
| 2023–2025 | Underwood | Ontario | Canada |
|---|---|---|---|
| Property crime per 1,000 | 21.4 | 30.5 | 31.2 |
| Violent Crime Severity Index | 67 | 76 | 86 |
| Crime Severity Index | 53 | 56 | 67 |
Statistics Canada, Uniform Crime Reporting Survey, 2023–2025 average · Crime Severity Index, Violent Crime Severity Index, violent crime and property crime per 1,000: one figure for all of the York Region service area
Underwood has warmer summers than Ontario’s towns or Canadian towns: July afternoons reach 27.3°C
Midwinter nights in Underwood bottom out at −10.1°C on average. Most of the snow comes in January, about 40 cm. Between the last spring frost, 3 May, and the first in autumn, 13 October, lie 161 days. Rain and snow peak in June, at 87 mm.
Average high by season · ECCC normals, 1991–2020
| Normals, 1991–2020 | Underwood | Ontario | Canada |
|---|---|---|---|
| July afternoon high | 27.3°C | 26.7°C | 25.5°C |
| January night low | −10.1°C | −9.1°C | −13.5°C |
| Days with frost a year | 145 | 139 | 159 |
Environment and Climate Change Canada, Canadian Climate Normals 1991–2020 (Toronto Buttonville (Airport))
More of Underwood belongs to a visible minority than Ontario’s towns or Canadian towns: 94%
The 65-and-over age group makes up nearly a quarter of residents. 13% are under 15, below both Ontario’s towns (15%) and Canadian towns (16%).
Ages · Share of residents in each age group, Census 2021
Schooling · Highest qualification, residents 15 and over
Women and men · all residents
Women make up 50.4% of Underwood
In 2021 there were 3,005 women to 2,960 men; Canada as a whole is 50.9% women.
| Underwood | Ontario | Canada | |
|---|---|---|---|
| Under 15 | 13% | 15% | 16% |
| 15 to 64 | 64% | 65% | 64% |
| 65+ | 23% | 19% | 19% |
| No certificate, diploma or degree | 30% | 15% | 16% |
| Postsecondary qualification | 42% | 56% | 56% |
Statistics Canada, Census 2021; Ontario and Canada: medians of towns of 2,500+
Underwood in November: highs near 7°C, lows near −1°C
Across the year, normals run from −10°C nights in January to 27°C afternoons in July. By December, a normal day reaches 2°C and a night falls to −6°C. A typical November adds 12 cm of snow. November normally sees 77 mm of precipitation.
Normal highs, the months ahead · ECCC normals, 1991–2020
| Season | High | Low | Rain and snow |
|---|---|---|---|
| Winter | 0°C | −9°C | 177 mm |
| Spring | 12°C | 1°C | 211 mm |
| Summer | 26°C | 14°C | 244 mm |
| Autumn | 15°C | 5°C | 230 mm |
ECCC normals, 1991–2020 (Toronto Buttonville (Airport)); the forecast is on the Weather page
One councillor per 28,580 residents: Markham is more thinly represented than 97% of Ontario municipalities
Underwood sends one MP to Ottawa from Markham—Thornhill, its riding (a federal electoral district, which elects one MP): Tim Hodgson (Liberal Party of Canada).
| Turnout | Underwood | Ontario | Canada |
|---|---|---|---|
| Municipal election, 2022 | 32% | 31% | 31% |
Wikidata, MAMH, MMAH, Statistics Canada
At 6.9 visits per person served, Markham public library is busier than 94% of Ontario’s town libraries
The library figures on this page are Markham’s: Markham public library serves all 365,051 people of the city, Underwood among them.
Provincial library statistics, OpenStreetMap, the CRA and Statistics Canada
Within 7.6 km of Underwood: Rouge National Urban Park
One unnamed beach is mapped within 5 km. For a provincial park, Uxbridge Urban Provincial Park lies 28 km off. Count 13 protected areas within 10 km of town.
Protected land · of the land within 10 km
| Outdoors | Underwood | Ontario | Canada |
|---|---|---|---|
| Public protected areas within 10 km | 8 | 4 | 4 |
| Protected land within 10 km | 2.4% | 2.3% | 2.3% |
Canadian Protected and Conserved Areas Database (CPCAD), OpenStreetMap routes and beaches
Everything we know about Underwood
Milliken Park and 6 more in and around Underwood
From museums to parks and historic sites: Underwood’s places to visit and those just beyond its edge, most famous first.
GardenMilliken Park1.6 km outside town, to the east
MuseumFrederick Horsman Varley Art Gallery3.5 km outside town, to the north
National historic siteCanadian National Railway Station, Unionville, Ontario3 km outside town, to the northMuseumMuseumSt. Mark's Coptic Museum1.5 km outside town, to the southwestMuseumMuseumHistoric Zion Schoolhouse4.9 km outside town, to the southwestMuseumMuseumHeritage Schoolhouse Museum and Archives4.3 km outside town, to the westPhotos: each place’s Wikidata image, from Wikimedia Commons under the licence below (our copy, resized).
Photo credits (3)
- Milliken Park: Jason Zhang, CC BY-SA 3.0, Wikimedia Commons
- Frederick Horsman Varley Art Gallery: Silver Dovelet, CC BY-SA 3.0, Wikimedia Commons
- Canadian National Railway Station, Unionville, Ontario: oaktree_brian_1976 from Canada, CC BY-SA 2.0, Wikimedia Commons
About Underwood
Neighbourhood in Markham
Census areas put together by TownRatings make up Underwood, one part of Markham; the city’s map or OpenStreetMap gives it its name.
Statistics Canada: population estimates 2025 (17-10-0155), Census of Population 2021, 2021 census boundaries.
- Population
- 5,972 (people, 2021 estimate)
- Province or territory
- Ontario
- City
- Markham
- Census subdivision
- 3519036
Underwood’s neighbours
The nearest places of 1,000 or more. Statistics Canada
| Town | People | km | Overall | Cost | Safety | Health |
|---|---|---|---|---|---|---|
| Underwood | 5,972 | — | B+ | D− | B+ | A |
| Milliken | 12,138 | 0.6 | B | D− | B+ | A |
| Hagerman's Corners | 43,555 | 1.7 | B+ | D− | B+ | A |
| Steeles | 22,943 | 2.4 | A− | D− | A+ | A |
| Milliken | 24,431 | 2.5 | C+ | D− | C | A |
| Agincourt North | 27,790 | 3.6 | B | D− | A− | A |
| East L'Amoreaux | 21,533 | 3.7 | B+ | D− | A | A |
People: Statistics Canada, Census 2021. Distances: centre to centre.
Sources: Statistics Canada, Census of Population 2021 · population estimates 2025 (17-10-0155) and 2021 census boundaries · Uniform Crime Reporting Survey 2023–25 (35-10-0026, 35-10-0183 to 35-10-0190) · CMHC rents as published by Statistics Canada (34-10-0133) · grades by TownRatings. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).