| Index | Walker Mill | Maryland | National |
| Income per capita | $56,492 | $55,489 | $44,883 |
| Median household income | $98,572 | $112,126 | $81,333 |
| Median income owner occupied | $127,833 | $142,381 | $106,172 |
| Median income renter occupied | $54,293 | $70,540 | $52,080 |
| Median earnings male | $62,686 | $69,331 | $54,343 |
| Median earnings female | $61,580 | $51,519 | $38,439 |
| Unemployment rate | 3.5% | 4.8% | 4.9% |
| Poverty level | 8.7% | 9.9% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 4.4% | 4.4% |
| Manufacturing sector | 3.9% | 3.9% |
| Financial & insurance services | 0.9% | 0.9% |
| Wholesale & retail services | 11.5% | 11.5% |
| Public administration | 19.1% | 19.1% |
| Transportation, warehousing & utilities | 13.4% | 13.4% |
| Education, health & social services | 17.1% | 17.1% |
| Other | 28.1% | 28.1% |
| City | Population | Household Income | National Avg. |
| Martin's Additions, MD | 1,119 | $377,432 | 364.1% |
| Chevy Chase, MD | 3,039 | $375,807 | 362.1% |
| Chevy Chase Village, MD | 1,923 | $375,077 | 361.2% |
| Chevy Chase Section Five, MD | 780 | $371,983 | 357.4% |
| Chevy Chase View, MD | 1,184 | $371,511 | 356.8% |
| Walker Mill, MD | 10,032 | $98,572 | 21.2% |
| City | Population | Household Income | National Avg. |
| Mayfield, KY | 10,031 | $53,713 | 34.0% |
| Oil City, PA | 10,033 | $61,593 | 24.3% |
| Uniontown, PA | 10,028 | $51,018 | 37.3% |
| Richmond Heights, FL | 10,026 | $78,964 | 2.9% |
| Hamburg, NY | 10,025 | $124,634 | 53.2% |
| Walker Mill, MD | 10,032 | $98,572 | 21.2% |