| Index | Summerfield | Maryland | National |
| Income per capita | $54,598 | $55,489 | $44,883 |
| Median household income | $126,807 | $112,126 | $81,333 |
| Median income owner occupied | $134,100 | $142,381 | $106,172 |
| Median income renter occupied | $116,936 | $70,540 | $52,080 |
| Median earnings male | $66,523 | $69,331 | $54,343 |
| Median earnings female | $59,463 | $51,519 | $38,439 |
| Unemployment rate | 5.5% | 4.8% | 4.9% |
| Poverty level | 7.3% | 9.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.1% | 7.1% |
| Manufacturing sector | 4.9% | 4.9% |
| Financial & insurance services | 0.7% | 0.7% |
| Wholesale & retail services | 9.5% | 9.5% |
| Public administration | 11.8% | 11.8% |
| Transportation, warehousing & utilities | 11.1% | 11.1% |
| Education, health & social services | 8.7% | 8.7% |
| Other | 41.6% | 41.6% |
| City | Population | Household Income | National Avg. |
| Adamstown, MD | 2,201 | $253,358 | 211.5% |
| Laytonsville, MD | 500 | $238,685 | 193.5% |
| New Market, MD | 1,589 | $229,328 | 182.0% |
| Monrovia, MD | 1,599 | $228,667 | 181.1% |
| Urbana, MD | 12,811 | $225,891 | 177.7% |
| Summerfield, MD | 14,929 | $126,807 | 55.9% |
| City | Population | Household Income | National Avg. |
| Colesville, MD | 14,928 | $188,755 | 132.1% |
| Roanoke Rapids, NC | 14,926 | $57,237 | 29.6% |
| North Auburn, CA | 14,919 | $97,635 | 20.0% |
| St. Clair, ON | 14,919 | n/a | |
| Fort Campbell North, KY | 14,915 | $59,573 | 26.8% |
| Summerfield, MD | 14,929 | $126,807 | 55.9% |