Middlesex County's 2026 population is estimated at 10,971, reflecting a 0.1% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Middlesex County is the 113th largest county in Virginia. The 2010 population was 10,981 and has grown -0.09% since 2010.
Data after 2023 is projected based on recent change
Overall: 55.5 years
Female: 57.8 years
Male: 54.2 years
There are 9,107 adults, (3,704 of whom are seniors) in Middlesex County.
Female: 5,427 (50%)
Male: 5,420 (50%)
The racial composition of Middlesex County includes 78.88% White, 16.11% Black or African American, and smaller percentages for other race, Asian, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 8,556 | 78.88% |
| Black or African American | 1,747 | 16.11% |
| Two or more races | 449 | 4.14% |
| Other race | 46 | 0.42% |
| Asian | 43 | 0.4% |
| Native American | 6 | 0.06% |
Middlesex County 's average per capita income is $46,724. Household income levels show a median of $75,060. The poverty rate stands at 7.31%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $103,994 | - |
| Families | $96,928 | $108,432 |
| Households | $75,060 | $92,353 |
| Non Families | $37,290 | $57,421 |
Average Income
Median Household Income
Poverty Rate