| Index | Milltown | South Dakota | National | 
| Cost of living | 92 | 89 | 100 | 
| Goods & Services | 91 | 94 | 100 | 
| Groceries | 97 | 97 | 100 | 
| Health care | 103 | 98 | 100 | 
| Housing | n/a | 77 | 100 | 
| Transportation | 91 | 97 | 100 | 
| Utilities | 84 | 88 | 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 | 
| South Dakota | 4.5% | 6% | 
| State | Income Tax (Low) | Income Tax (High) | 
| South Dakota | 0% | 0% | 
| Item | Milltown | National avg. | Difference | 
| Haircut | $24.32 | $24.26 | 0.2% | 
| Beauty Salon | $35.22 | $45.56 | 22.7% | 
| Toothpaste | $3.80 | $3.70 | 2.7% | 
| Shampoo | $1.29 | $1.28 | 0.7% | 
| Movie | $9.36 | $12.13 | 22.9% | 
| Bowling | $16.40 | $18.00 | 8.9% | 
| Item | Milltown | National avg. | Difference | 
| Ground Beef | $5.89 | $5.84 | 0.8% | 
| Fried Chicken | $1.41 | $1.57 | 10.4% | 
| Milk | $4.75 | $4.67 | 1.7% | 
| Potatoes | $4.63 | $4.93 | 6.2% | 
| Pizza | $10.64 | $12.09 | 12.0% | 
| Beer | $9.33 | $10.41 | 10.4% | 
| Item | Milltown | National avg. | Difference | 
| Optometrist | $135.10 | $125.68 | 7.5% | 
| Doctor | $177.33 | $135.78 | 30.6% | 
| Dentist | $108.21 | $113.29 | 4.5% | 
| Ibuprofen | $10.48 | $10.65 | 1.7% | 
| Lipitor | $357.08 | $468.60 | 23.8% | 
| Item | Milltown | National avg. | Difference | 
| Home Price | $0.00 | $184,700.00 | 100.0% | 
| Avg. Mortgage Payment | $2,133.89 | $2,346.69 | 9.1% | 
| Apartment Rent | $0.00 | $949.00 | 100.0% | 
| Item | Milltown | National avg. | Difference | 
| Gasoline | $3.28 | $3.46 | 5.3% | 
| Tire Balancing | $49.42 | $59.92 | 17.5% | 
| Item | Milltown | National avg. | Difference | 
| All Electricity | $141.67 | $193.99 | 27.0% | 
| Phone | $194.04 | $192.25 | 0.9% | 
| City | Population | Cost of Living Index | National Avg. | 
| Olivet, SD | 82 | 69 | 31.5% | 
| Tripp, SD | 572 | 73 | 26.9% | 
| Menno, SD | 788 | 76 | 24.4% | 
| Ethan, SD | 328 | 82 | 17.5% | 
| Emery, SD | 510 | 83 | 16.7% | 
| Milltown, SD | 25 | 92 | 8.3% | 
| City | Population | Cost of Living Index | National Avg. | 
| Mendeltna, AK | 25 | 118 | 18.0% | 
| Beyerville, AZ | 25 | 106 | 5.9% | 
| Butte Meadows, CA | 25 | 102 | 1.5% | 
| Lazy Lake, FL | 25 | 252 | 152.0% | 
| Blanchard, IA | 25 | 76 | 23.9% | 
| Milltown, SD | 25 | 92 | 8.3% |