| Index | Gaithersburg | Maryland | National |
| Income per capita | $68,985 | $55,489 | $44,883 |
| Median household income | $134,733 | $112,126 | $81,333 |
| Median income owner occupied | $189,044 | $142,381 | $106,172 |
| Median income renter occupied | $100,753 | $70,540 | $52,080 |
| Median earnings male | $72,700 | $69,331 | $54,343 |
| Median earnings female | $55,195 | $51,519 | $38,439 |
| Unemployment rate | 5.0% | 4.8% | 4.9% |
| Poverty level | 9.0% | 9.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 11.5% | 11.5% |
| Manufacturing sector | 6.6% | 6.6% |
| Financial & insurance services | 4.0% | 4.0% |
| Wholesale & retail services | 11.1% | 11.1% |
| Public administration | 9.3% | 9.3% |
| Transportation, warehousing & utilities | 4.3% | 4.3% |
| Education, health & social services | 10.1% | 10.1% |
| Other | 41.1% | 41.1% |
| 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% |
| Gaithersburg, MD | 69,801 | $134,733 | 65.7% |
| City | Population | Household Income | National Avg. |
| St. Cloud, MN | 69,805 | $75,349 | 7.4% |
| Waterloo, IA | 70,052 | $69,795 | 14.2% |
| Granby, QC | 69,530 | n/a | |
| Grande Prairie, AB | 69,512 | n/a | |
| Jackson, TN | 69,498 | $64,192 | 21.1% |
| Gaithersburg, MD | 69,801 | $134,733 | 65.7% |