Baltimore County's 2026 population is estimated at 859,923, reflecting a 0.44% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Baltimore County is the 3rd largest county in Maryland. The 2010 population was 806,654 and has grown 6.6% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.7 years
Female: 40.8 years
Male: 38.2 years
There are 664,812 adults, (154,369 of whom are seniors) in Baltimore County.
Female: 446,536 (52.5%)
Male: 404,260 (47.5%)
The racial composition of Baltimore County includes 52.59% White, 30.65% Black or African American, 6.14% Asian, 3.65% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 447,437 | 52.59% |
| Black or African American | 260,785 | 30.65% |
| Two or more races | 56,621 | 6.66% |
| Asian | 52,203 | 6.14% |
| Other race | 31,039 | 3.65% |
| Native American | 2,363 | 0.28% |
| Native Hawaiian or Pacific Islander | 348 | 0.04% |
Baltimore County 's average per capita income is $61,642. Household income levels show a median of $91,768. The poverty rate stands at 9.78%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $141,538 | $175,184 |
| Families | $115,600 | $148,047 |
| Households | $91,768 | $122,863 |
| Non Families | $58,300 | $74,119 |
Average Income
Median Household Income
Poverty Rate
