| Index | Popponesset Island | Massachusetts | National |
| Cost of living | 109 | 133 | 100 |
| Goods & Services | 115 | 122 | 100 |
| Groceries | 102 | 105 | 100 |
| Health care | 108 | 113 | 100 |
| Housing | n/a | 165 | 100 |
| Transportation | 93 | 118 | 100 |
| Utilities | 112 | 134 | 100 |


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| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $0 | $0 | $0 | $0 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Massachusetts | 6.25% | 6.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Massachusetts | 5% | 9% |
| Item | Popponesset Island | National avg. | Difference |
| Haircut | $31.50 | $24.26 | 29.8% |
| Beauty Salon | $49.92 | $45.56 | 9.6% |
| Toothpaste | $3.46 | $3.70 | 6.5% |
| Shampoo | $1.43 | $1.28 | 11.4% |
| Movie | $14.37 | $12.13 | 18.4% |
| Bowling | $22.72 | $18.00 | 26.2% |
| Item | Popponesset Island | National avg. | Difference |
| Ground Beef | $5.85 | $5.84 | 0.2% |
| Fried Chicken | $1.43 | $1.57 | 8.9% |
| Milk | $4.74 | $4.67 | 1.4% |
| Potatoes | $5.00 | $4.93 | 1.3% |
| Pizza | $11.59 | $12.09 | 4.1% |
| Beer | $10.74 | $10.41 | 3.1% |
| Item | Popponesset Island | National avg. | Difference |
| Optometrist | $104.45 | $125.68 | 16.9% |
| Doctor | $169.83 | $135.78 | 25.1% |
| Dentist | $130.28 | $113.29 | 15.0% |
| Ibuprofen | $11.11 | $10.65 | 4.3% |
| Lipitor | $369.37 | $468.60 | 21.2% |
| Item | Popponesset Island | National avg. | Difference |
| Home Price | $0.00 | $184,700.00 | 100.0% |
| Avg. Mortgage Payment | $2,379.56 | $2,346.69 | 1.4% |
| Apartment Rent | $0.00 | $949.00 | 100.0% |
| Item | Popponesset Island | National avg. | Difference |
| Gasoline | $3.38 | $3.46 | 2.5% |
| Tire Balancing | $48.20 | $59.92 | 19.6% |
| Item | Popponesset Island | National avg. | Difference |
| All Electricity | $230.62 | $193.99 | 18.9% |
| Phone | $195.18 | $192.25 | 1.5% |
| City | Population | Cost of Living Index | National Avg. |
| Popponesset, MA | 202 | 109 | 8.7% |
| Seconsett Island, MA | 37 | 109 | 8.7% |
| Weweantic, MA | 1,287 | 109 | 9.2% |
| Onset, MA | 1,049 | 119 | 19.4% |
| White Island Shores, MA | 2,409 | 121 | 21.3% |
| Popponesset Island, MA | 35 | 109 | 8.7% |
| City | Population | Cost of Living Index | National Avg. |
| Chignik Lagoon, AK | 35 | 113 | 13.1% |
| Summerhaven, AZ | 35 | 106 | 5.9% |
| Taylorsville, CA | 35 | 102 | 1.5% |
| Buck Grove, IA | 35 | 76 | 24.3% |
| Galt, IA | 35 | 99 | 1.0% |
| Popponesset Island, MA | 35 | 109 | 8.7% |