| Index | Petrolia | Ontario | National | 
| Median household income | $82,686 | $87,353 | $82,436 | 
| Unemployment rate | 6.9% | 4.2% | 6.4% | 
| In labour force | 58.1% | 61.7% | 63.9% | 
| Labour Type | Percent | 
| Construction industry | 4.8% | 
| Manufacturing sector | 8.4% | 
| Financial & insurance services | 0.8% | 
| Wholesale & retail services | 6.8% | 
| Public administration | 2.7% | 
| Transportation, warehousing & utilities | 3.8% | 
| Education, health & social services | 13.1% | 
| Other | 16.5% | 
| City | Population | Household Income | National Avg. | 
| Plympton-Wyoming, ON | 8,517 | $107,882 | 30.9% | 
| Enniskillen, ON | 2,704 | $104,095 | 26.3% | 
| St. Clair, ON | 14,919 | $100,524 | 21.9% | 
| Oil Springs, ON | 698 | $86,797 | 5.3% | 
| Point Edward, ON | 2,173 | $85,726 | 4.0% | 
| Petrolia, ON | 6,108 | $82,686 | 0.3% | 
| City | Population | Household Income | National Avg. | 
| Shrewsbury, MO | 6,108 | n/a | |
| East Flat Rock, NC | 6,108 | n/a | |
| Childress, TX | 6,109 | n/a | |
| Colusa, CA | 6,111 | n/a | |
| Hudson, NY | 6,103 | n/a | |
| Petrolia, ON | 6,108 | $82,686 | 0.3% |