| Index | Williamsville | Missouri | National |
| Cost of living | 76 | 88 | 100 |
| Goods & Services | 95 | 92 | 100 |
| Groceries | 95 | 95 | 100 |
| Health care | 77 | 90 | 100 |
| Housing | 38 | 78 | 100 |
| Transportation | 88 | 91 | 100 |
| Utilities | 89 | 99 | 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 | $43,558 | $3,630 | $1,016 | $1,307 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Missouri | 4.225% | 10.85% |
| State | Income Tax (Low) | Income Tax (High) |
| Missouri | 2% | 4.95% |
| Item | Williamsville | National avg. | Difference |
| Haircut | $22.59 | $24.26 | 6.9% |
| Beauty Salon | $43.68 | $45.56 | 4.1% |
| Toothpaste | $3.59 | $3.70 | 3.0% |
| Shampoo | $1.06 | $1.28 | 17.4% |
| Movie | $13.11 | $12.13 | 8.1% |
| Bowling | $14.38 | $18.00 | 20.1% |
| Item | Williamsville | National avg. | Difference |
| Ground Beef | $5.34 | $5.84 | 8.5% |
| Fried Chicken | $1.38 | $1.57 | 12.4% |
| Milk | $4.52 | $4.67 | 3.3% |
| Potatoes | $5.34 | $4.93 | 8.3% |
| Pizza | $11.64 | $12.09 | 3.7% |
| Beer | $10.04 | $10.41 | 3.6% |
| Item | Williamsville | National avg. | Difference |
| Optometrist | $113.05 | $125.68 | 10.1% |
| Doctor | $121.20 | $135.78 | 10.7% |
| Dentist | $93.91 | $113.29 | 17.1% |
| Ibuprofen | $10.17 | $10.65 | 4.5% |
| Lipitor | $454.83 | $468.60 | 2.9% |
| Item | Williamsville | National avg. | Difference |
| Home Price | $46,100.00 | $184,700.00 | 75.0% |
| Avg. Mortgage Payment | $2,005.46 | $2,346.69 | 14.5% |
| Apartment Rent | $635.00 | $949.00 | 33.1% |
| Item | Williamsville | National avg. | Difference |
| Gasoline | $3.12 | $3.46 | 9.9% |
| Tire Balancing | $51.88 | $59.92 | 13.4% |
| Item | Williamsville | National avg. | Difference |
| All Electricity | $163.75 | $193.99 | 15.6% |
| Phone | $204.07 | $192.25 | 6.1% |
| City | Population | Cost of Living Index | National Avg. |
| Mill Spring, MO | 139 | 71 | 28.9% |
| Ellsinore, MO | 654 | 79 | 21.3% |
| Piedmont, MO | 3,550 | 80 | 20.4% |
| Greenville, MO | 519 | 81 | 19.3% |
| Poplar Bluff, MO | 16,979 | 82 | 17.6% |
| Williamsville, MO | 336 | 76 | 24.3% |
| City | Population | Cost of Living Index | National Avg. |
| Delight, AR | 336 | 80 | 19.7% |
| Fargo, GA | 336 | 80 | 19.7% |
| Kempton, IN | 336 | 81 | 19.0% |
| Bradfordsville, KY | 336 | 91 | 8.6% |
| Bellflower, MO | 336 | 79 | 20.8% |
| Williamsville, MO | 336 | 76 | 24.3% |
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