Total Population in Frederick County, MD

ACS 2024 5-Year Estimates

Total Population
287,048
Rank #252 of 3,222
92th percentile

How Frederick County Compares

Frederick County
287,048
Maryland Average
287,048
Rank #7 of 24 in state
National
330M
99.9% below

National Distribution

Where Frederick County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ Frederick County: 287,048

Ranking Context

Rank County Value
#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
View full ranking →

Total Population in Frederick County, Maryland

Frederick County, Maryland has a total population of 287,048, which ranks #252 of 3,222 out of 3,222 counties nationwide. This is 99.9% below the national value of 330M.

Within Maryland, Frederick County ranks #7 of 24 out of 24 counties. This places it in the 92th percentile nationally.

Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.