Loudoun County, VA Population

Overview

413,574

Total Population

36.9

Median age

50.04%

Female population %

99.8:100

Gender ratio (M:F)

40-44 years

Largest age group

48.3

Total dependency ratio

White

Largest racial group

56,839

Hispanic population

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

TABLE OF CONTENTS

Age

Loudoun County's population is young compared to the rest of the country:

The median age in Loudoun County is 36.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Loudoun County's population under 18 was 27.98%, compared to the 22.51% nationwide.
Loudoun County's elderly or the senior population (over 65 age) was 9.46% as compared to 16.04% nationwide.
Of the total population in Loudoun County, 23.11% were under the age of 15, 17.26% aged 15 to 29, 50.17% aged 30 to 64, 8.39% aged 65 to 84, and 1.07% were 85 years of age and older.

There are 322 more females than males in Loudoun County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.04% females and 49.96% males in Loudoun County, VA.
The Loudoun County, VA gender ratio is 99.8:100 i.e. 99.8 men to 100 women (0.998).
For male population, the largest age group is 40-44 years with a population of 18,889.
For the female population, the largest age group is 35-39 years with a population of 18,099.

Loudoun County's population has become increasingly diverse:

Racial distribution of Loudoun County population: 59.83% are White, 7.65% are Black or African American, 0.29% are American Indian and Alaska Native, 19.97% are Asian, 0.07% are Native Hawaiian and other Pacific Islander, 3.98% are some other race and 8.21% are multiracial.
Loudoun County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 56,839 is Hispanic or Latino (of any race), and 356,735 (86.26% of the total population) is Non-Hispanic.
The largest racial group in Loudoun County is White with a population of 247,456 (59.83% of the total population).

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

The peak population was 432,085 in the year 2022
From 2000 to 2010, Loudoun County's population increased by 141,589 (81.42%), as compared to the national growth of 9.63%.
From 2010 to 2020, Loudoun County's population increased by 107,183 (33.97%), 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, Loudoun County's population was lowest in year 2000 at 173,897.