| Index | Niantic | Connecticut | National |
| Cost of living | 123 | 121 | 100 |
| Goods & Services | 116 | 116 | 100 |
| Groceries | 99 | 103 | 100 |
| Health care | 112 | 104 | 100 |
| Housing | 144 | 137 | 100 |
| Transportation | 111 | 110 | 100 |
| Utilities | 134 | 131 | 100 |
| 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 | $100,298 | $8,358 | $2,340 | $3,009 |
| Renters | $49,205 | $4,100 | $1,148 | $1,476 |
| State | General Sales Tax | With Max Surtax |
| Connecticut | 6.35% | 6.35% |
| State | Income Tax (Low) | Income Tax (High) |
| Connecticut | 3% | 6.99% |
| Item | Niantic | National avg. | Difference |
| Haircut | $28.33 | $22.08 | 28.3% |
| Beauty Salon | $46.14 | $42.88 | 7.6% |
| Toothpaste | $2.76 | $2.57 | 7.5% |
| Shampoo | $1.06 | $1.15 | 7.8% |
| Movie | $13.00 | $11.51 | 13.0% |
| Bowling | $20.00 | $16.62 | 20.4% |
| Item | Niantic | National avg. | Difference |
| Ground Beef | $5.49 | $4.98 | 10.2% |
| Fried Chicken | $1.44 | $1.58 | 9.1% |
| Milk | $2.84 | $2.42 | 17.5% |
| Potatoes | $4.28 | $3.54 | 21.1% |
| Pizza | $10.56 | $11.49 | 8.1% |
| Beer | $10.10 | $10.04 | 0.6% |
| Item | Niantic | National avg. | Difference |
| Optometrist | $131.33 | $117.76 | 11.5% |
| Doctor | $146.79 | $125.34 | 17.1% |
| Dentist | $125.96 | $107.52 | 17.1% |
| Ibuprofen | $9.59 | $10.26 | 6.5% |
| Lipitor | $463.09 | $459.24 | 0.8% |
| Item | Niantic | National avg. | Difference |
| Home Price | $292,200.00 | $184,700.00 | 58.2% |
| Avg. Mortgage Payment | $1,690.66 | $1,697.41 | 0.4% |
| Apartment Rent | $1,245.00 | $949.00 | 31.2% |
| Item | Niantic | National avg. | Difference |
| Gasoline | $4.04 | $3.85 | 5.1% |
| Tire Balancing | $70.00 | $57.01 | 22.8% |
| Item | Niantic | National avg. | Difference |
| All Electricity | $281.29 | $177.27 | 58.7% |
| Phone | $186.45 | $189.62 | 1.7% |
| City | Population | Cost of Living Index | National Avg. |
| Poquonock Bridge, CT | 1,640 | 105 | 4.9% |
| Long Hill, CT | 8,315 | 105 | 4.6% |
| Oxoboxo River, CT | 2,772 | 106 | 6.3% |
| New London, CT | 27,001 | 106 | 6.4% |
| Groton, CT | 8,999 | 108 | 8.2% |
| Niantic, CT | 3,083 | 123 | 23.1% |
| City | Population | Cost of Living Index | National Avg. |
| Wilder, KY | 3,083 | 96 | 4.3% |
| Calera, OK | 3,082 | 82 | 18.0% |
| Thurso, QC | 3,084 | n/a | |
| Bishop, TX | 3,085 | 80 | 19.8% |
| Chandler, TX | 3,085 | 92 | 8.0% |
| Niantic, CT | 3,083 | 123 | 23.1% |
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