| Index | Mount Pearl | Newfoundland and Labrador | National |
| Cost of living | 96 | 87 | 100 |
| Groceries | 112 | 112 | 100 |
| Health care | 96 | 96 | 100 |
| Housing | 81 | 50 | 100 |
| Transportation | 102 | 102 | 100 |
| Utilities | 138 | 138 | 100 |
| Lifestyle & Entertainment | n/a | n/a | n/a |
| Household Items | n/a | n/a | n/a |
| Education & Childcare | n/a | n/a | n/a |
| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| State | General Sales Tax | With Max Surtax |
| Newfoundland and Labrador | 10% | 15% |
| State | Income Tax (Low) | Income Tax (High) |
| Newfoundland and Labrador | 8.7% | 18.3% |
| City | Population | Cost of Living Index | National Avg. |
| Division No. 1, Subd. I, NL | 322 | 95 | 4.6% |
| Paradise, NL | 23,144 | 96 | 4.4% |
| Logy Bay-Middle Cove-Outer Cove, NL | 2,289 | 96 | 4.2% |
| Portugal Cove-St. Philip's, NL | 8,634 | 96 | 3.9% |
| Petty Harbour-Maddox Cove, NL | 1,036 | 96 | 3.8% |
| Mount Pearl, NL | 23,066 | 96 | 3.7% |
| City | Population | Cost of Living Index | National Avg. |
| Middletown, DE | 23,057 | n/a | |
| South Lake Tahoe, CA | 23,049 | n/a | |
| Cockeysville, MD | 23,095 | n/a | |
| Munster, IN | 23,103 | n/a | |
| Trussville, AL | 23,122 | n/a | |
| Mount Pearl, NL | 23,066 | 96 | 3.7% |