| Index | McKnightstown | Pennsylvania | National |
| Cost of living | 101 | 98 | 100 |
| Goods & Services | 103 | 99 | 100 |
| Groceries | 105 | 99 | 100 |
| Health care | 98 | 94 | 100 |
| Housing | 93 | 91 | 100 |
| Transportation | 101 | 106 | 100 |
| Utilities | 111 | 107 | 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 | $103,375 | $8,615 | $2,412 | $3,102 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Pennsylvania | 6% | 8% |
| State | Income Tax (Low) | Income Tax (High) |
| Pennsylvania | 3.07% | 3.07% |
| Item | McKnightstown | National avg. | Difference |
| Haircut | $28.33 | $24.26 | 16.8% |
| Beauty Salon | $58.17 | $45.56 | 27.7% |
| Toothpaste | $3.69 | $3.70 | 0.3% |
| Shampoo | $1.44 | $1.28 | 12.7% |
| Movie | $13.69 | $12.13 | 12.9% |
| Bowling | $23.03 | $18.00 | 27.9% |
| Item | McKnightstown | National avg. | Difference |
| Ground Beef | $6.23 | $5.84 | 6.7% |
| Fried Chicken | $1.39 | $1.57 | 11.4% |
| Milk | $4.73 | $4.67 | 1.2% |
| Potatoes | $5.46 | $4.93 | 10.7% |
| Pizza | $13.24 | $12.09 | 9.5% |
| Beer | $10.36 | $10.41 | 0.5% |
| Item | McKnightstown | National avg. | Difference |
| Optometrist | $114.22 | $125.68 | 9.1% |
| Doctor | $133.22 | $135.78 | 1.9% |
| Dentist | $117.22 | $113.29 | 3.5% |
| Ibuprofen | $11.10 | $10.65 | 4.2% |
| Lipitor | $401.39 | $468.60 | 14.3% |
| Item | McKnightstown | National avg. | Difference |
| Home Price | $171,700.00 | $184,700.00 | 7.0% |
| Avg. Mortgage Payment | $1,906.29 | $2,346.69 | 18.8% |
| Apartment Rent | $0.00 | $949.00 | 100.0% |
| Item | McKnightstown | National avg. | Difference |
| Gasoline | $3.46 | $3.46 | 0.1% |
| Tire Balancing | $62.66 | $59.92 | 4.6% |
| Item | McKnightstown | National avg. | Difference |
| All Electricity | $223.91 | $193.99 | 15.4% |
| Phone | $199.62 | $192.25 | 3.8% |
| City | Population | Cost of Living Index | National Avg. |
| Fort Ritchie, MD | 48 | 106 | 6.3% |
| Flora Dale, PA | 27 | 104 | 3.9% |
| Shippensburg University, PA | 1,887 | 104 | 3.9% |
| Sabillasville, MD | 390 | 106 | 6.3% |
| Heidlersburg, PA | 596 | 82 | 17.6% |
| McKnightstown, PA | 501 | 101 | 0.6% |
| City | Population | Cost of Living Index | National Avg. |
| Cullom, IL | 501 | 82 | 17.8% |
| Ribera, NM | 501 | 97 | 2.9% |
| McCurtain, OK | 501 | 74 | 26.0% |
| Renningers, PA | 501 | 98 | 1.5% |
| Summerhill, PA | 501 | 89 | 10.9% |
| McKnightstown, PA | 501 | 101 | 0.6% |
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