Howard County's 2026 population is estimated at 344,322, reflecting a 0.68% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Howard County is the 6th largest county in Maryland. The 2010 population was 288,618 and has grown 19.3% since 2010.
Data after 2023 is projected based on recent change
Overall: 39.8 years
Female: 41 years
Male: 38.6 years
There are 256,411 adults, (51,275 of whom are seniors) in Howard County.
Female: 170,499 (50.7%)
Male: 165,829 (49.3%)
The racial composition of Howard County includes 46.84% White, 19.97% Black or African American, 19.25% Asian, 4.33% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 157,552 | 46.84% |
| Black or African American | 67,150 | 19.97% |
| Asian | 64,745 | 19.25% |
| Two or more races | 31,091 | 9.24% |
| Other race | 14,565 | 4.33% |
| Native American | 1,091 | 0.32% |
| Native Hawaiian or Pacific Islander | 134 | 0.04% |
Howard County 's average per capita income is $88,862. Household income levels show a median of $149,763. The poverty rate stands at 5.23%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $201,090 | $233,288 |
| Families | $179,975 | $211,636 |
| Households | $149,763 | $184,243 |
| Non Families | $84,765 | $104,262 |
Average Income
Median Household Income
Poverty Rate