| Index | Otter Lake | Quebec | National |
| Median household income | $52,669 | $72,311 | $82,436 |
| Unemployment rate | 3.8% | 3.7% | 6.4% |
| In labour force | 45.6% | 64.3% | 63.9% |
| Labour Type | Percent |
| Construction industry | 8.2% |
| Manufacturing sector | 1.8% |
| Financial & insurance services | 3.3% |
| Wholesale & retail services | 7.8% |
| Public administration | 5.6% |
| Transportation, warehousing & utilities | 2.4% |
| Education, health & social services | 7.3% |
| Other | 8.8% |
| City | Population | Household Income | National Avg. |
| L'Île-du-Grand-Calumet, QC | 568 | $77,119 | 6.4% |
| Mansfield-et-Pontefract, QC | 2,271 | $76,806 | 6.8% |
| Litchfield, QC | 429 | $69,149 | 16.1% |
| Fort-Coulonge, QC | 1,394 | $59,502 | 27.8% |
| Thorne, QC | 521 | $56,570 | 31.4% |
| Otter Lake, QC | 832 | $52,669 | 36.1% |
| City | Population | Household Income | National Avg. |
| Columbia, AL | 832 | n/a | |
| Edgewater, AL | 832 | n/a | |
| Lynn, AL | 832 | n/a | |
| Minor, AL | 832 | n/a | |
| Oppelo, AR | 832 | n/a | |
| Otter Lake, QC | 832 | $52,669 | 36.1% |