| Index | Mount Airy | Maryland | National |
| Cost of living | 135 | 121 | 100 |
| Groceries | 107 | 105 | 100 |
| Health care | 109 | 109 | 100 |
| Housing | 199 | 151 | 100 |
| Transportation | 109 | 109 | 100 |
| Utilities | 108 | 108 | 100 |
| Lifestyle & Entertainment | 105 | 109 | 100 |
| Household Items | 105 | 105 | 100 |
| Education & Childcare | 114 | 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 | $191,494 | $15,958 | $4,468 | $5,745 |
| Renters | $46,498 | $3,875 | $1,085 | $1,395 |
| 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. |
| Union Bridge, MD | 993 | 107 | 7.1% |
| Westminster, MD | 19,096 | 115 | 14.8% |
| Libertytown, MD | 855 | 117 | 16.8% |
| Frederick, MD | 73,590 | 120 | 20.2% |
| New Windsor, MD | 1,415 | 120 | 20.4% |
| Mount Airy, MD | 9,806 | 135 | 35.2% |
| City | Population | Cost of Living Index | National Avg. |
| DuPont, WA | 9,807 | 133 | 33.4% |
| Picnic Point, WA | 9,803 | 155 | 54.5% |
| Lowell, AR | 9,809 | 94 | 5.8% |
| Conning Towers Nautilus Park, CT | 9,809 | 117 | 16.7% |
| Pine Ridge, FL | 9,810 | 109 | 8.8% |
| Mount Airy, MD | 9,806 | 135 | 35.2% |