| Index | St. Charles | Idaho | National |
| Cost of living | 96 | 96 | 100 |
| Goods & Services | 100 | 102 | 100 |
| Groceries | 98 | 99 | 100 |
| Health care | 91 | 107 | 100 |
| Housing | 96 | 90 | 100 |
| Transportation | 101 | 106 | 100 |
| Utilities | 80 | 73 | 100 |


Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| 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 | $80,644 | $6,720 | $1,882 | $2,420 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Idaho | 6% | 8.5% |
| State | Income Tax (Low) | Income Tax (High) |
| Idaho | 5.8% | 5.8% |
| Item | St. Charles | National avg. | Difference |
| Haircut | $27.41 | $27.62 | 0.7% |
| Beauty Salon | $49.60 | $51.11 | 2.9% |
| Toothpaste | $3.99 | $4.09 | 2.5% |
| Shampoo | $1.34 | $1.54 | 13.1% |
| Movie | $11.81 | $12.88 | 8.3% |
| Yoga | $17.65 | $19.66 | 10.2% |
| Item | St. Charles | National avg. | Difference |
| Ground Beef | $8.24 | $7.70 | 6.9% |
| Fried Chicken | $1.49 | $1.66 | 10.4% |
| Milk | $4.66 | $4.73 | 1.5% |
| Potatoes | $4.74 | $5.26 | 9.8% |
| Pizza | $12.09 | $12.76 | 5.3% |
| Beer | $10.35 | $10.55 | 1.9% |
| Item | St. Charles | National avg. | Difference |
| Optometrist | $115.90 | $140.06 | 17.2% |
| Doctor | $137.56 | $153.82 | 10.6% |
| Dentist | $97.38 | $123.15 | 20.9% |
| Ibuprofen | $11.72 | $11.73 | 0.1% |
| Lipitor | $25.30 | $23.61 | 7.2% |
| Item | St. Charles | National avg. | Difference |
| Home Price | $313,308.00 | $326,622.00 | 4.1% |
| Avg. Mortgage Payment | $2,983.48 | $2,480.25 | 20.3% |
| Apartment Rent | $0.00 | $1,444.00 | 100.0% |
| Item | St. Charles | National avg. | Difference |
| Gasoline | $3.11 | $3.06 | 1.9% |
| Tire Balancing | $64.72 | $65.21 | 0.7% |
| Item | St. Charles | National avg. | Difference |
| All Electricity | $149.46 | $220.12 | 32.1% |
| Phone | $198.34 | $195.71 | 1.3% |
| City | Population | Cost of Living Index | National Avg. |
| Montpelier, ID | 2,597 | 86 | 13.7% |
| Paris, ID | 690 | 92 | 7.6% |
| Garden City, UT | 351 | 106 | 6.4% |
| Bloomington, ID | 211 | 114 | 14.3% |
| St. Charles, ID | 164 | 96 | 3.7% |
| City | Population | Cost of Living Index | National Avg. |
| Five Points, AL | 164 | 103 | 2.6% |
| Paradise CDP, CA | 164 | 146 | 46.2% |
| Hasty, CO | 164 | 81 | 18.8% |
| Pilot Mound, IA | 164 | 79 | 20.8% |
| Hillview, IL | 164 | 80 | 20.1% |
| St. Charles, ID | 164 | 96 | 3.7% |