| Index | Spencerville | Maryland | National |
| Income per capita | $42,181 | $36,670 | $28,555 |
| Median household income | $123,029 | $74,149 | $53,482 |
| Median income owner occupied | $133,333 | $93,724 | $68,142 |
| Median income renter occupied | $41,615 | $45,116 | $33,219 |
| Median earnings male | $45,435 | $45,763 | $36,116 |
| Median earnings female | $43,365 | $35,135 | $25,692 |
| Unemployment rate | 4.5% | 5.5% | 5.8% |
| Poverty level | 0.0% | 10.0% | 15.6% |
| Labour Type | Male | Female |
| Construction industry | 11.2% | 0.0% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 7.4% | 0.0% |
| Public administration | 6.5% | 9.2% |
| Transportation, warehousing & utilities | 12.2% | 4.8% |
| Education, health & social services | 16.4% | 37.5% |
| Other | 42.1% | 48.5% |
| City, State | Population | Household Income | National Avg. |
| Chevy Chase Village, MD | 1,974 | $250,001 | 367% |
| Chevy Chase, MD | 2,907 | $250,001 | 367% |
| Chevy Chase Section Five, MD | 736 | $250,001 | 367% |
| Martin's Additions, MD | 977 | $246,875 | 362% |
| Somerset, MD | 1,148 | $241,964 | 352% |
| Spencerville, MD | 1,588 | $123,029 | 130% |
| City, State | Population | Household Income | National Avg. |
| Brooklet, GA | 1,588 | $51,645 | 3% |
| Cascade-Chipita Park, CO | 1,588 | $63,988 | 20% |
| Upper Pohatcong, NJ | 1,588 | $72,031 | 35% |
| Lake Ozark, MO | 1,588 | $41,176 | 23% |
| North Berwick, ME | 1,588 | $60,795 | 14% |
| Spencerville, MD | 1,588 | $123,029 | 130% |