Fort Bend County, TX population age distribution
A complete breakdown of Fort Bend 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 | 53,007 | 6.57% |
5 to 9 years | 60,397 | 7.49% |
10 to 14 years | 68,382 | 8.48% |
15 to 19 years | 60,323 | 7.48% |
20 to 24 years | 45,548 | 5.65% |
25 to 29 years | 43,984 | 5.45% |
30 to 34 years | 50,916 | 6.31% |
35 to 39 years | 60,727 | 7.53% |
40 to 44 years | 63,990 | 7.93% |
45 to 49 years | 60,913 | 7.55% |
50 to 54 years | 52,829 | 6.55% |
55 to 59 years | 48,058 | 5.96% |
60 to 64 years | 46,044 | 5.71% |
65 to 69 years | 36,301 | 4.5% |
70 to 74 years | 25,235 | 3.13% |
75 to 79 years | 14,420 | 1.79% |
80 to 84 years | 7,777 | 0.96% |
85 years and over | 7,646 | 0.95% |
TABLE OF CONTENTS
Fort Bend County, TX population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

The largest age group in Fort Bend County, TX was for the group of age 10-14 years with a population of 68,382 (8.48%), according to the 2021 American Community Survey.
At the same time, the smallest age group in Fort Bend County, TX was the 85+ years with a population of 7,646 (0.95%).
Fort Bend County, TX population by age cohort
To better understand the age distribution of Fort Bend County, TX'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

Here's the population for each of the three cohorts.
Age Group | Population | % of Total Population |
---|---|---|
Under 18 years | 221,496 | 27.46% |
18 to 64 years | 493,622 | 61.21% |
85 years and over | 91,379 | 11.33% |
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Fort Bend County's population under 18 was 27.46%, compared to the 22.51% nationwide.
- Fort Bend County's working population (between 18 and 64) was 61.21%, compared to 61.45% nationwide.
- Fort Bend County's elderly or the senior population (over 65 age) was 11.33% as compared to 16.04% nationwide.
Fort Bend County, TX population pyramid
Population pyramid for Fort Bend County, TX 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 Fort Bend County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Fort Bend County, TX, is 34.1.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Fort Bend County, TX, is 17.1.
- Total dependency ratio for Fort Bend County, TX is 51.2.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Fort Bend County, TX is 5.8.

Here's the Fort Bend County, TX's male and female population across different age groups:
Age Group | Population(Male) | Population(Female) | Total Population |
---|---|---|---|
Under 5 years | 26,843 | 26,164 | 53,007 |
5 to 9 years | 30,534 | 29,863 | 60,397 |
10 to 14 years | 35,585 | 32,797 | 68,382 |
15 to 19 years | 30,960 | 29,363 | 60,323 |
20 to 24 years | 23,006 | 22,542 | 45,548 |
25 to 29 years | 21,479 | 22,505 | 43,984 |
30 to 34 years | 24,046 | 26,870 | 50,916 |
35 to 39 years | 28,216 | 32,511 | 60,727 |
40 to 44 years | 31,975 | 32,015 | 63,990 |
45 to 49 years | 30,105 | 30,808 | 60,913 |
50 to 54 years | 26,435 | 26,394 | 52,829 |
55 to 59 years | 23,479 | 24,579 | 48,058 |
60 to 64 years | 22,840 | 23,204 | 46,044 |
65 to 69 years | 17,645 | 18,656 | 36,301 |
70 to 74 years | 11,643 | 13,592 | 25,235 |
75 to 79 years | 6,916 | 7,504 | 14,420 |
80 to 84 years | 3,329 | 4,448 | 7,777 |
85 years and over | 2,702 | 4,944 | 7,646 |
Things to know
What is the population of Fort Bend County, TX under 18?
Fort Bend County's population under the age of 18 is 221,496, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 27.46% of the total resident population of Fort Bend County, TX.
What is the aging population in Fort Bend County, TX?
Fort Bend County's population aged 65 years and above was 91,379. As per the U.S. Census Bureau's American Community Survey, this population is 11.33% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates