Harford County's 2026 population is estimated at 267,000, reflecting a 0.28% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Harford County is the 8th largest county in Maryland. The 2010 population was 245,236 and has grown 8.87% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.5 years
Female: 41.9 years
Male: 39.3 years
There are 204,980 adults, (46,016 of whom are seniors) in Harford County.
Female: 134,023 (50.8%)
Male: 129,734 (49.2%)
The racial composition of Harford County includes 72.99% White, 14.31% Black or African American, 3.01% Asian, and smaller percentages for other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 192,506 | 72.99% |
| Black or African American | 37,734 | 14.31% |
| Two or more races | 18,948 | 7.18% |
| Asian | 7,949 | 3.01% |
| Other race | 5,959 | 2.26% |
| Native American | 523 | 0.2% |
| Native Hawaiian or Pacific Islander | 138 | 0.05% |
Harford County 's average per capita income is $70,451. Household income levels show a median of $112,265. The poverty rate stands at 7.14%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $151,349 | $170,734 |
| Families | $133,569 | $154,177 |
| Households | $112,265 | $133,148 |
| Non Families | $61,193 | $78,148 |
Average Income
Median Household Income
Poverty Rate