Essex County's 2026 population is estimated at 839,420, reflecting a 0.93% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Essex County is the 3rd largest county in Massachusetts. The 2010 population was 745,469 and has grown 12.6% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.2 years
Female: 42.6 years
Male: 39.7 years
There are 643,569 adults, (150,106 of whom are seniors) in Essex County.
Female: 418,024 (51.4%)
Male: 395,030 (48.6%)
The racial composition of Essex County includes 67.78% White, 12.1% other race, 4.03% Black or African American, 3.63% Asian, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 551,107 | 67.78% |
| Two or more races | 98,713 | 12.14% |
| Other race | 98,377 | 12.1% |
| Black or African American | 32,753 | 4.03% |
| Asian | 29,493 | 3.63% |
| Native American | 2,429 | 0.3% |
| Native Hawaiian or Pacific Islander | 182 | 0.02% |
Essex County 's average per capita income is $63,027. Household income levels show a median of $101,883. The poverty rate stands at 9.37%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $156,491 | $196,857 |
| Families | $128,792 | $167,108 |
| Households | $101,883 | $140,098 |
| Non Families | $54,999 | $80,304 |
Average Income
Median Household Income
Poverty Rate