| Index | Sarnia | Ontario | National |
| Median household income | $76,027 | $87,353 | $82,436 |
| Unemployment rate | 7.2% | 4.2% | 6.4% |
| In labour force | 54.8% | 61.7% | 63.9% |
| Labour Type | Percent |
| Construction industry | 4.6% |
| Manufacturing sector | 5.9% |
| Financial & insurance services | 1.3% |
| Wholesale & retail services | 9.1% |
| Public administration | 2.0% |
| Transportation, warehousing & utilities | 2.6% |
| Education, health & social services | 10.1% |
| Other | 17.7% |
| City | Population | Household Income | National Avg. |
| Plympton-Wyoming, ON | 8,517 | $107,882 | 30.9% |
| Enniskillen, ON | 2,704 | $104,095 | 26.3% |
| Point Edward, ON | 2,173 | $85,726 | 4.0% |
| Petrolia, ON | 6,108 | $82,686 | 0.3% |
| Sarnia 45, ON | 627 | $39,137 | 52.5% |
| Sarnia, ON | 74,477 | $76,027 | 7.8% |
| City | Population | Household Income | National Avg. |
| Buckeye, AZ | 74,467 | n/a | |
| Rock Hill, SC | 74,410 | n/a | |
| Rancho Cordova, CA | 74,394 | n/a | |
| Rochester Hills, MI | 74,340 | n/a | |
| Bolingbrook, IL | 74,319 | n/a | |
| Sarnia, ON | 74,477 | $76,027 | 7.8% |