| Index | Mason Neck | Virginia | National |
| Cost of living | 190 | 111 | 100 |
| Groceries | 103 | 103 | 100 |
| Health care | 103 | 103 | 100 |
| Housing | 390 | 129 | 100 |
| Transportation | 104 | 105 | 100 |
| Utilities | 105 | 104 | 100 |
| Lifestyle & Entertainment | 101 | 103 | 100 |
| Household Items | 100 | 102 | 100 |
| Education & Childcare | 111 | 109 | 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 | $233,730 | $19,478 | $5,453 | $7,013 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Virginia | 5.3% | 6% |
| State | Income Tax (Low) | Income Tax (High) |
| Virginia | 2% | 5.75% |
| City | Population | Cost of Living Index | National Avg. |
| Port Tobacco Village, MD | 4 | 110 | 10.1% |
| Rose Hill CDP (Lee County), VA | 731 | 89 | 11.0% |
| Potomac Heights, MD | 1,295 | 90 | 10.5% |
| Woodlawn CDP (Carroll County), VA | 2,334 | 89 | 11.3% |
| Wakefield town, VA | 838 | 92 | 8.4% |
| Mason Neck, VA | 1,979 | 190 | 89.6% |
| City | Population | Cost of Living Index | National Avg. |
| Saint-Liguori, QC | 1,979 | n/a | |
| Kapaau, HI | 1,978 | 137 | 36.5% |
| Bridgeport, IL | 1,978 | 86 | 13.9% |
| Mitchell, NE | 1,980 | 89 | 10.7% |
| Tappahannock, VA | 1,980 | 99 | 1.2% |
| Mason Neck, VA | 1,979 | 190 | 89.6% |