Total Population in Harford County, MD
ACS 2024 5-Year Estimates
263,757
Rank #275/3,222 · #8 in MD
91th
Harford 263,757
MD 6,206,011 -95.7%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Harford County's total population of 263,757 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Harford County for total population.
Nearby Rankings
Full ranking →| #272 | McLennan County, TX | 266,067 |
| #273 | Santa Cruz County, CA | 264,926 |
| #274 | Madison County, IL | 264,238 |
| #275 | Harford County, MD | 263,757 |
| #276 | Kalamazoo County, MI | 262,375 |
| #277 | Williamson County, TN | 260,351 |
| #278 | Clay County, MO | 258,122 |
About Total Population
Harford County, Maryland has a total population of 263,757, ranking #275 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Maryland, it ranks #8 of 24. This places it in the 91th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.