Frederick County, MD Demographics

The total population of Frederick County is estimated to be 273,829 with 135,810 males (49.60%) and 138,019 females (50.40%). There are 2,209 more females than males in Frederick County.
The median household income in Frederick County was $114,716 in 2021, which marked an an increase of 626(0.55%) from $114,090 in 2020. This income is 153.76% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Frederick County sees its highest median household income among householders in the age group of 45 to 64 years old, at $152,630. Overall, the median household income for the county of Frederick County stands at $119,122.
In Frederick County, the median income for all workers aged 15 years and older, regardless of work hours, was $69,372 for males and $46,611 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $91,088 for males and $74,398 for females.
In Frederick County, the demographic landscape is diverse, spanning 6 distinct racial categories among households. Among these, Asian households have the highest median household income at $133,697, while Some Other Race households represent the opposite end with the lowest median household income of $92,703.
In 2022, the population of Frederick County was 287,079, a 2.38% increase year-by-year from 2021. Previously, in 2021, Frederick County's population was 280,410, an increase of 2.80% compared to a population of 272,765 in 2020.
The median age in Frederick County, MD is 38.8, as per 2021 ACS 5-Year Estimates. Of the total population, 19.18% were under the age of 15, 18.45% aged 15 to 29, 47.88% aged 30 to 64, 12.70% aged 65 to 84, and 1.78% were 85 years of age and older.
Racial distribution of Frederick County population: 76.36% are White, 9.65% are Black or African American, 0.18% are American Indian and Alaska Native, 4.61% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 1.94% are some other race and 7.22% are multiracial.