Loudoun County, VA population age distributions
A complete breakdown of Loudoun County's age demographics from 0 to 85 years, distributed across 18 age groups is listed in the table below.
| Age Group | Population | % of Total Population |
|---|---|---|
| Under 5 years | 27,404 | 6.51% |
| 5 to 9 years | 31,618 | 7.51% |
| 10 to 14 years | 35,393 | 8.41% |
| 15 to 19 years | 30,933 | 7.35% |
| 20 to 24 years | 22,654 | 5.38% |
| 25 to 29 years | 20,542 | 4.88% |
| 30 to 34 years | 26,616 | 6.33% |
| 35 to 39 years | 33,084 | 7.86% |
| 40 to 44 years | 38,497 | 9.15% |
| 45 to 49 years | 35,003 | 8.32% |
| 50 to 54 years | 31,384 | 7.46% |
| 55 to 59 years | 25,834 | 6.14% |
| 60 to 64 years | 19,839 | 4.71% |
| 65 to 69 years | 13,851 | 3.29% |
| 70 to 74 years | 10,799 | 2.57% |
| 75 to 79 years | 7,291 | 1.73% |
| 80 to 84 years | 5,017 | 1.19% |
| 85 years and over | 5,014 | 1.19% |
TABLE OF CONTENTS
Loudoun County, VA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Loudoun County, VA population by age group.
The largest age group is 40 to 44 years with a population of 38,497 (9.15% of the total population).
The largest age group in Loudoun County, VA was for the group of age 40 to 44 years with a population of 38,497 (9.15%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Loudoun County, VA was the 85 years and over with a population of 5,014 (1.19%).
Loudoun County, VA population by age cohort
To better understand the age distribution of Loudoun County, VA's population, we divided it into the following 3 cohorts:
- Children : Under the age of 18 years
- Adults (working population): Between the age of 18 and 64 years
- Seniors: 65 years and above
FIGURE 2
Loudoun County, VA population by age cohort
The largest age group was 18 to 64 years with a population of 263,853 (62.71% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Loudoun County 's population under 18 was 27.32%, compared to the 22.11% nationwide.
- Loudoun County's working population (between 18 and 64) was 62.71%, compared to 61.36% nationwide.
- Loudoun County's elderly or the senior population (over 65 age) was 9.97% as compared to 16.53% nationwide.
Loudoun County, VA population pyramid
Population pyramid for Loudoun County, VA is charted below using the estimates from U.S. Census Bureau's American Community Survey 5-Year estimates. A wide base suggests population increase, narrow base indicates declining birth rates.
Key stats from our analysis of the Loudoun County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Loudoun County, VA, is 33.2.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Loudoun County, VA, is 14.8.
- Total dependency ratio for Loudoun County, VA is 48.0.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Loudoun County, VA is 6.8.
FIGURE 3
Loudoun County, VA population pyramid
Loudoun County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Loudoun County, VA population pyramid
Here's the Loudoun County, VA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 13,922 | 13,482 | 27,404 |
| 5 to 9 years | 16,034 | 15,584 | 31,618 |
| 10 to 14 years | 18,354 | 17,039 | 35,393 |
| 15 to 19 years | 15,794 | 15,139 | 30,933 |
| 20 to 24 years | 11,466 | 11,188 | 22,654 |
| 25 to 29 years | 10,301 | 10,241 | 20,542 |
| 30 to 34 years | 12,792 | 13,824 | 26,616 |
| 35 to 39 years | 15,916 | 17,168 | 33,084 |
| 40 to 44 years | 19,587 | 18,910 | 38,497 |
| 45 to 49 years | 18,157 | 16,846 | 35,003 |
| 50 to 54 years | 16,189 | 15,195 | 31,384 |
| 55 to 59 years | 13,559 | 12,275 | 25,834 |
| 60 to 64 years | 9,868 | 9,971 | 19,839 |
| 65 to 69 years | 6,779 | 7,072 | 13,851 |
| 70 to 74 years | 4,890 | 5,909 | 10,799 |
| 75 to 79 years | 2,954 | 4,337 | 7,291 |
| 80 to 84 years | 2,196 | 2,821 | 5,017 |
| 85 years and over | 2,090 | 2,924 | 5,014 |
Things to know
What is the population of Loudoun County, VA under 18?
Loudoun County's population under the age of 18 is 114,948, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 27.32% of the total resident population of Loudoun County, VA.
What is the aging population in Loudoun County, VA?
Loudoun County's population aged 65 years and above was 41,972. As per the U.S. Census Bureau's American Community Survey, this population is 9.97% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates