Densely populated neighbourhoods in Markham
Thornhill is Markham's densest neighbourhood, packing in about 21,746 people per square kilometre, well above the citywide density of 3,971. Brown's Corners follows at 17,133.
Despite the density, income varies widely. Milliken, at 9,901 people per square kilometre, has the lowest median income on this list at $53,600, while Cutler Ridge, similarly dense at 9,329, sits at $114,000.
Citywide, Markham still leans toward houses and ownership: 60.2% of homes are single-detached and 83.4% are owner-occupied, even though only 11.3% of homes are high-rise apartments.
Markham on this axis
The first bar is the headline ranking metric; the rest are related axes for context. Bars are the Markhamaggregate's percentile rank vs Ontario's 20,000+ census areas.
Top neighbourhoods in Markham by population density
| Neighbourhood | population density | Median income |
|---|---|---|
| 1. Thornhill · Markham | 21,746 /km² | $68,500 |
| 2. Brown's Corners · Markham | 17,133 /km² | $79,500 |
| 3. Middlefield & Steeles · Markham | 11,907 /km² | $84,000 |
| 4. Quantztown · Markham | 11,216 /km² | $89,000 |
| 5. Middlefield & Elson · Markham | 10,965 /km² | $75,000 |
| 6. McCowan & Elson · Markham | 10,662 /km² | $75,500 |
| 7. Armadale · Markham | 10,252 /km² | $84,000 |
| 8. Milliken · Markham | 9,901 /km² | $53,600 |
| 9. McCowan & Denison · Markham | 9,776 /km² | $93,000 |
| 10. German Mills · Markham | 9,446 /km² | $103,000 |
| 11. Cutler Ridge · Markham | 9,329 /km² | $114,000 |
| 12. Berczy Village · Markham | 9,074 /km² | $98,000 |
| 13. Underwood · Markham | 9,071 /km² | $83,000 |
| 14. Brimley & Denison · Markham | 8,891 /km² | $89,000 |
| 15. Johnsview Village · Markham | 8,357 /km² | $99,000 |
| 16. McCowan & Steeles · Markham | 8,304 /km² | $88,000 |
| 17. Greensborough · Markham | 8,211 /km² | $114,000 |
| 18. Wismer Commons · Markham | 8,019 /km² | $116,000 |
| 19. Langstaff · Markham | 7,994 /km² | $78,500 |
| 20. 14th & McCowan · Markham | 7,855 /km² | $96,000 |
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Common questions
What is the most densely populated neighbourhood in Markham?
Thornhill, with about 21,746 people per square kilometre, the highest in the city. Brown's Corners follows at 17,133.
How dense is Markham overall?
Markham's citywide density is about 3,971 people per square kilometre, far below neighbourhoods like Thornhill and Brown's Corners.
Are Markham's densest neighbourhoods mostly high-rises?
Not entirely. Only 11.3% of homes citywide are high-rise apartments, and 60.2% are still single-detached houses, even in the denser pockets.
Do dense Markham neighbourhoods have lower incomes?
Not necessarily. Milliken, one of the densest at 9,901 people per square kilometre, has a median income of $53,600, while Cutler Ridge, similarly dense, sits at $114,000.