Total Population in Baltimore County, MD
ACS 2024 5-Year Estimates
850,796
Rank #72/3,222 · #3 in MD
98th
Baltimore 850,796
MD 6,206,011 -86.3%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Baltimore County's total population of 850,796 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 Baltimore County for total population.
Nearby Rankings
Full ranking →| #69 | Worcester County, MA | 867,788 |
| #70 | Montgomery County, PA | 867,573 |
| #71 | Essex County, NJ | 863,002 |
| #72 | Baltimore County, MD | 850,796 |
| #73 | Snohomish County, WA | 844,430 |
| #74 | Ventura County, CA | 837,469 |
| #75 | Hamilton County, OH | 830,774 |
About Total Population
Baltimore County, Maryland has a total population of 850,796, ranking #72 of 3,222 counties nationwide — 99.7% below the national value of 330M. Within Maryland, it ranks #3 of 24. This places it in the 98th 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.