| Index | Olney | Maryland | National |
| Income per capita | $85,246 | $55,489 | $44,883 |
| Median household income | $226,548 | $112,126 | $81,333 |
| Median income owner occupied | $229,348 | $142,381 | $106,172 |
| Median income renter occupied | $111,160 | $70,540 | $52,080 |
| Median earnings male | $100,527 | $69,331 | $54,343 |
| Median earnings female | $81,687 | $51,519 | $38,439 |
| Unemployment rate | 2.3% | 4.8% | 4.9% |
| Poverty level | 3.6% | 9.9% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 7.8% | 7.8% |
| Manufacturing sector | 3.5% | 3.5% |
| Financial & insurance services | 3.9% | 3.9% |
| Wholesale & retail services | 9.5% | 9.5% |
| Public administration | 15.4% | 15.4% |
| Transportation, warehousing & utilities | 3.2% | 3.2% |
| Education, health & social services | 14.7% | 14.7% |
| Other | 39.4% | 39.4% |
| 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% |
| Olney, MD | 36,549 | $226,548 | 178.5% |
| City | Population | Household Income | National Avg. |
| Temple City, CA | 36,531 | $124,016 | 52.5% |
| Watertown Town, MA | 36,568 | $148,286 | 82.3% |
| South Miami Heights, FL | 36,522 | $72,434 | 10.9% |
| Penticton, BC | 36,498 | n/a | |
| Claremont, CA | 36,495 | $148,231 | 82.3% |
| Olney, MD | 36,549 | $226,548 | 178.5% |