| Index | Markham | Ontario | National |
| Cost of living | 113 | 111 | 100 |
| Goods & Services | 110 | 106 | 100 |
| Groceries | 115 | 110 | 100 |
| Health care | 106 | 104 | 100 |
| Housing | 122 | 120 | 100 |
| Transportation | 105 | 104 | 100 |
| Utilities | 132 | 121 | 100 |
| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| State | General Sales Tax | With Max Surtax |
| Ontario | 8% | 13% |
| State | Income Tax (Low) | Income Tax (High) |
| Ontario | 5.05% | 13.16% |
| Item | Markham | National avg. | Difference |
| Personal Care | $103.00 | $95.07 | 8.3% |
| Recreation | $98.00 | $101.73 | 3.7% |
| Item | Markham | National avg. | Difference |
| Meat, Poultry and Fish | $96.00 | $102.47 | 6.3% |
| Dairy Products and Eggs | $103.00 | $106.00 | 2.8% |
| Bakery and Cereal Products | $99.00 | $111.87 | 11.5% |
| Fruit and Vegetables | $99.00 | $112.87 | 12.3% |
| Alcoholic Beverages | $106.00 | $106.80 | 0.7% |
| Item | Markham | National avg. | Difference |
| Doctor | $105.00 | $101.07 | 3.9% |
| Item | Markham | National avg. | Difference |
| Home Price ($) | $1,273,468.00 | $659,395.00 | 93.1% |
| Apartment Rent ($) | $1,852.00 | $2,146.00 | 13.7% |
| Item | Markham | National avg. | Difference |
| Gasoline | $102.00 | $102.53 | 0.5% |
| Item | Markham | National avg. | Difference |
| All Electricity | $105.00 | $98.80 | 6.3% |
| City | Population | Cost of Living Index | National Avg. |
| Ajax, ON | 138,303 | 100 | 0.4% |
| Pickering, ON | 96,267 | 100 | 0.5% |
| Newmarket, ON | 88,702 | 103 | 2.7% |
| Aurora, ON | 61,058 | 110 | 9.6% |
| Whitchurch-Stouffville, ON | 52,025 | 110 | 9.6% |
| Markham, ON | 359,111 | 113 | 12.9% |
| City | Population | Cost of Living Index | National Avg. |
| Honolulu, HI | 358,765 | n/a | |
| Anaheim, CA | 361,295 | n/a | |
| Santa Ana, CA | 345,160 | n/a | |
| Corpus Christi, TX | 338,491 | n/a | |
| Riverside, CA | 334,324 | n/a | |
| Markham, ON | 359,111 | 113 | 12.9% |