| Index | Poolesville | Maryland | National |
| Cost of living | 153 | 121 | 100 |
| Groceries | 101 | 105 | 100 |
| Health care | 103 | 109 | 100 |
| Housing | 270 | 151 | 100 |
| Transportation | 104 | 109 | 100 |
| Utilities | 102 | 108 | 100 |
| Lifestyle & Entertainment | 106 | 109 | 100 |
| Household Items | 100 | 105 | 100 |
| Education & Childcare | 112 | 112 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $277,582 | $23,132 | $6,476 | $8,328 |
| Renters | $219,960 | $18,330 | $5,132 | $6,599 |
| State | General Sales Tax | With Max Surtax |
| Maryland | 6% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| Maryland | 2% | 5.75% |
| City | Population | Cost of Living Index | National Avg. |
| Brunswick, MD | 6,559 | 111 | 11.5% |
| Rosemont, MD | 332 | 127 | 26.8% |
| Montgomery Village, MD | 35,133 | 127 | 26.7% |
| Garretts Mill, MD | 359 | 128 | 27.7% |
| University Center, VA | 3,997 | 124 | 24.4% |
| Poolesville, MD | 5,340 | 153 | 53.3% |
| City | Population | Cost of Living Index | National Avg. |
| Johnstown, OH | 5,341 | 96 | 4.4% |
| Chisago City, MN | 5,337 | 110 | 10.3% |
| Mount Hood Village, OR | 5,337 | 112 | 12.0% |
| Granite Shoals, TX | 5,336 | 94 | 5.6% |
| Byron, GA | 5,334 | 96 | 3.6% |
| Poolesville, MD | 5,340 | 153 | 53.3% |