Frederick County, MD Population

Overview

267,498

Total Population

38.8

Median age

50.50%

Female population %

98:100

Gender ratio (M:F)

35-39 years

Largest age group

50.8

Total dependency ratio

White

Largest racial group

27,867

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Frederick County's population is old compared to the rest of the country:

The median age in Frederick County is 38.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Frederick County's population under 18 was 23.39%, compared to the 22.51% nationwide.
Frederick County's elderly or the senior population (over 65 age) was 14.49% as compared to 16.04% nationwide.
Of the total population in Frederick County, 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.

There are 2,690 more females than males in Frederick County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.50% females and 49.50% males in Frederick County, MD.
The Frederick County, MD gender ratio is 98:100 i.e. 98 men to 100 women (0.980).
For male population, the largest age group is 55-59 years with a population of 9,943.
For the female population, the largest age group is 35-39 years with a population of 10,315.

Frederick County's population has become increasingly diverse:

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.
Frederick County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 27,867 is Hispanic or Latino (of any race), and 239,631 (89.58% of the total population) is Non-Hispanic.
The largest racial group in Frederick County is White with a population of 204,273 (76.36% of the total population).

Frederick County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 287,079 in the year 2022
From 2000 to 2010, Frederick County's population increased by 37,703 (19.18%), as compared to the national growth of 9.63%.
From 2010 to 2020, Frederick County's population increased by 38,526 (16.45%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Frederick County's population was lowest in year 2000 at 196,536.