| Index | Newmarket | Ontario | National |
| Median household income | $109,574 | $87,353 | $82,436 |
| Unemployment rate | 4.1% | 4.2% | 6.4% |
| In labour force | 64.0% | 61.7% | 63.9% |
| Labour Type | Percent |
| Construction industry | 4.7% |
| Manufacturing sector | 6.2% |
| Financial & insurance services | 4.2% |
| Wholesale & retail services | 10.6% |
| Public administration | 3.2% |
| Transportation, warehousing & utilities | 2.3% |
| Education, health & social services | 10.9% |
| Other | 20.8% |
| City | Population | Household Income | National Avg. |
| King, ON | 27,487 | $150,174 | 82.2% |
| Aurora, ON | 61,058 | $126,909 | 53.9% |
| Vaughan, ON | 321,974 | $124,187 | 50.6% |
| East Gwillimbury, ON | 25,899 | $122,116 | 48.1% |
| Whitchurch-Stouffville, ON | 52,025 | $121,118 | 46.9% |
| Newmarket, ON | 88,702 | $109,574 | 32.9% |
| City | Population | Household Income | National Avg. |
| Norwalk, CT | 88,755 | n/a | |
| Conroe, TX | 88,369 | n/a | |
| Nashua, NH | 89,052 | n/a | |
| Reading, PA | 88,333 | n/a | |
| Newton, MA | 88,322 | n/a | |
| Newmarket, ON | 88,702 | $109,574 | 32.9% |