| Index | Middleburg | Maryland | National |
| Income per capita | $0 | $55,489 | $44,883 |
| Median household income | $0 | $112,126 | $81,333 |
| Median income owner occupied | $0 | $142,381 | $106,172 |
| Median income renter occupied | $0 | $70,540 | $52,080 |
| Median earnings male | $0 | $69,331 | $54,343 |
| Median earnings female | $0 | $51,519 | $38,439 |
| Unemployment rate | n/a | 4.8% | 4.9% |
| Poverty level | n/a | 9.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | n/a | n/a |
| Manufacturing sector | n/a | n/a |
| Financial & insurance services | n/a | n/a |
| Wholesale & retail services | n/a | n/a |
| Public administration | n/a | n/a |
| Transportation, warehousing & utilities | n/a | n/a |
| Education, health & social services | n/a | n/a |
| Other | n/a | n/a |
| City | Population | Household Income | National Avg. |
| New Market, MD | 1,589 | $229,328 | 182.0% |
| Linganore, MD | 10,268 | $217,468 | 167.4% |
| Bartonsville, MD | 1,843 | $211,179 | 159.6% |
| Eldersburg, MD | 31,301 | $190,542 | 134.3% |
| Lake Heritage, PA | 2,858 | $173,185 | 112.9% |
| Middleburg, MD | 0 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Chase, AK | 0 | $0 | 100.0% |
| Chiniak, AK | 0 | $0 | 100.0% |
| Chisana, AK | 0 | $0 | 100.0% |
| Dot Lake, AK | 0 | $0 | 100.0% |
| Eureka Roadhouse, AK | 0 | $0 | 100.0% |
| Middleburg, MD | 0 | $0 | 100.0% |