Total Population in Frederick County, MD
ACS 2024 5-Year Estimates
287,048
Rank #252/3,222 · #7 in MD
92th
Frederick 287,048
MD 6,206,011 -95.4%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Frederick County's total population of 287,048 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 Frederick County for total population.
Nearby Rankings
Full ranking →| #249 | Dauphin County, PA | 289,593 |
| #250 | Anchorage Municipality, AK | 288,976 |
| #251 | St. Louis city, MO | 288,512 |
| #252 | Frederick County, MD | 287,048 |
| #253 | Alachua County, FL | 285,492 |
| #254 | Ingham County, MI | 283,913 |
| #255 | Winnebago County, IL | 283,292 |
About Total Population
Frederick County, Maryland has a total population of 287,048, ranking #252 of 3,222 counties nationwide — 99.9% below the national value of 330M. Within Maryland, it ranks #7 of 24. This places it in the 92th 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.