| Index | Peterborough | Ontario | National |
| Cost of living | 92 | 111 | 100 |
| Goods & Services | 108 | 107 | 100 |
| Groceries | 100 | 101 | 100 |
| Health care | 103 | 103 | 100 |
| Housing | 51 | 120 | 100 |
| Transportation | 107 | 104 | 100 |
| Utilities | 130 | 119 | 100 |
| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| State | General Sales Tax | With Max Surtax |
| Ontario | 8% | 13% |
| State | Income Tax (Low) | Income Tax (High) |
| Ontario | 5.05% | 13.16% |
| Item | Peterborough | National avg. | Difference |
| Personal Care | $102.00 | $94.33 | 8.1% |
| Recreation | $99.00 | $102.33 | 3.3% |
| Item | Peterborough | National avg. | Difference |
| Meat, Poultry and Fish | $99.00 | $102.27 | 3.2% |
| Dairy Products and Eggs | $101.00 | $104.67 | 3.5% |
| Bakery and Cereal Products | $97.00 | $111.67 | 13.1% |
| Fruit and Vegetables | $98.00 | $113.40 | 13.6% |
| Alcoholic Beverages | $102.00 | $105.80 | 3.6% |
| Item | Peterborough | National avg. | Difference |
| Doctor | $104.00 | $101.07 | 2.9% |
| Item | Peterborough | National avg. | Difference |
| Home Price ($) | $633,000.00 | $659,395.00 | 4.0% |
| Apartment Rent ($) | $1,320.00 | $2,146.00 | 38.5% |
| Item | Peterborough | National avg. | Difference |
| Gasoline | $99.00 | $102.07 | 3.0% |
| Item | Peterborough | National avg. | Difference |
| All Electricity | $106.00 | $98.60 | 7.5% |
| City | Population | Cost of Living Index | National Avg. |
| Alderville First Nation, ON | 527 | 94 | 6.3% |
| Otonabee-South Monaghan, ON | 7,229 | 94 | 6.0% |
| Hiawatha First Nation, ON | 376 | 95 | 5.5% |
| Douro-Dummer, ON | 6,892 | 96 | 4.2% |
| Selwyn, ON | 17,047 | 96 | 3.5% |
| Peterborough, ON | 89,500 | 92 | 8.2% |
| City | Population | Cost of Living Index | National Avg. |
| Germantown, MD | 89,529 | n/a | |
| Miami Beach, FL | 89,439 | n/a | |
| Mount Pleasant, SC | 89,410 | n/a | |
| Fall River, MA | 89,618 | n/a | |
| Town 'n' Country, FL | 89,791 | n/a | |
| Peterborough, ON | 89,500 | 92 | 8.2% |