| Index | Porcupine | South Dakota | National |
| Cost of living | 78 | 89 | 100 |
| Goods & Services | 98 | 94 | 100 |
| Groceries | 100 | 97 | 100 |
| Health care | 99 | 98 | 100 |
| Housing | 34 | 77 | 100 |
| Transportation | 103 | 97 | 100 |
| Utilities | 89 | 88 | 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 | $11,146 | $929 | $260 | $334 |
| Renters | $28,854 | $2,405 | $673 | $866 |
| State | General Sales Tax | With Max Surtax |
| South Dakota | 4.5% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| South Dakota | 0% | 0% |
| Item | Porcupine | National avg. | Difference |
| Haircut | $28.63 | $24.26 | 18.0% |
| Beauty Salon | $42.85 | $45.56 | 5.9% |
| Toothpaste | $3.46 | $3.70 | 6.5% |
| Shampoo | $1.22 | $1.28 | 4.3% |
| Movie | $11.69 | $12.13 | 3.6% |
| Bowling | $19.55 | $18.00 | 8.6% |
| Item | Porcupine | National avg. | Difference |
| Ground Beef | $6.37 | $5.84 | 9.1% |
| Fried Chicken | $1.32 | $1.57 | 15.8% |
| Milk | $4.71 | $4.67 | 0.9% |
| Potatoes | $4.42 | $4.93 | 10.4% |
| Pizza | $11.60 | $12.09 | 4.0% |
| Beer | $9.34 | $10.41 | 10.3% |
| Item | Porcupine | National avg. | Difference |
| Optometrist | $135.93 | $125.68 | 8.2% |
| Doctor | $154.12 | $135.78 | 13.5% |
| Dentist | $109.45 | $113.29 | 3.4% |
| Ibuprofen | $10.18 | $10.65 | 4.5% |
| Lipitor | $377.36 | $468.60 | 19.5% |
| Item | Porcupine | National avg. | Difference |
| Home Price | $24,000.00 | $184,700.00 | 87.0% |
| Avg. Mortgage Payment | $1,834.99 | $2,346.69 | 21.8% |
| Apartment Rent | $778.00 | $949.00 | 18.0% |
| Item | Porcupine | National avg. | Difference |
| Gasoline | $3.65 | $3.46 | 5.5% |
| Tire Balancing | $58.31 | $59.92 | 2.7% |
| Item | Porcupine | National avg. | Difference |
| All Electricity | $158.39 | $193.99 | 18.4% |
| Phone | $194.38 | $192.25 | 1.1% |
| City | Population | Cost of Living Index | National Avg. |
| Batesland, SD | 82 | 98 | 2.4% |
| Wounded Knee, SD | 197 | 77 | 22.9% |
| Manderson-White Horse Creek, SD | 405 | 83 | 16.7% |
| Kyle, SD | 902 | 83 | 16.7% |
| Porcupine, SD | 1,381 | 78 | 21.6% |
| City | Population | Cost of Living Index | National Avg. |
| Gilcrest, CO | 1,381 | 106 | 6.2% |
| Springfield, CO | 1,381 | 84 | 16.1% |
| Kingsford Heights, IN | 1,381 | 78 | 21.9% |
| Fairmount Heights, MD | 1,381 | 125 | 24.5% |
| Ligonier, PA | 1,381 | 99 | 1.0% |
| Porcupine, SD | 1,381 | 78 | 21.6% |
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