Brazoria County, TX population age distributions
A complete breakdown of Brazoria 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 | 24,216 | 6.46% |
| 5 to 9 years | 27,481 | 7.34% |
| 10 to 14 years | 28,465 | 7.6% |
| 15 to 19 years | 26,571 | 7.09% |
| 20 to 24 years | 22,625 | 6.04% |
| 25 to 29 years | 23,818 | 6.36% |
| 30 to 34 years | 27,073 | 7.23% |
| 35 to 39 years | 29,204 | 7.8% |
| 40 to 44 years | 27,247 | 7.27% |
| 45 to 49 years | 25,630 | 6.84% |
| 50 to 54 years | 23,672 | 6.32% |
| 55 to 59 years | 23,949 | 6.39% |
| 60 to 64 years | 18,824 | 5.03% |
| 65 to 69 years | 16,636 | 4.44% |
| 70 to 74 years | 12,045 | 3.22% |
| 75 to 79 years | 7,541 | 2.01% |
| 80 to 84 years | 4,678 | 1.25% |
| 85 years and over | 4,925 | 1.31% |
TABLE OF CONTENTS
Brazoria County, TX population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
Brazoria County, TX population by age group.
The largest age group is 35 to 39 years with a population of 29,204 (7.80% of the total population).
The largest age group in Brazoria County, TX was for the group of age 35 to 39 years with a population of 29,204 (7.80%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in Brazoria County, TX was the 80 to 84 years with a population of 4,678 (1.25%).
Brazoria County, TX population by age cohort
To better understand the age distribution of Brazoria 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
FIGURE 2
Brazoria County, TX population by age cohort
The largest age group was 18 to 64 years with a population of 231,685 (61.85% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- Brazoria County 's population under 18 was 25.92%, compared to the 22.11% nationwide.
- Brazoria County's working population (between 18 and 64) was 61.85%, compared to 61.36% nationwide.
- Brazoria County's elderly or the senior population (over 65 age) was 12.23% as compared to 16.53% nationwide.
Brazoria County, TX population pyramid
Population pyramid for Brazoria 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 Brazoria County's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for Brazoria County, TX, is 32.2.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for Brazoria County, TX, is 18.4.
- Total dependency ratio for Brazoria County, TX is 50.7.
- Potential support ratio, which is the number of youth (working age population) per elderly, for Brazoria County, TX is 5.4.
FIGURE 3
Brazoria County, TX population pyramid
Brazoria County population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
Brazoria County, TX population pyramid
Here's the Brazoria County, TX's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 12,439 | 11,777 | 24,216 |
| 5 to 9 years | 14,450 | 13,031 | 27,481 |
| 10 to 14 years | 14,292 | 14,173 | 28,465 |
| 15 to 19 years | 13,744 | 12,827 | 26,571 |
| 20 to 24 years | 11,835 | 10,790 | 22,625 |
| 25 to 29 years | 12,336 | 11,482 | 23,818 |
| 30 to 34 years | 13,778 | 13,295 | 27,073 |
| 35 to 39 years | 14,526 | 14,678 | 29,204 |
| 40 to 44 years | 14,534 | 12,713 | 27,247 |
| 45 to 49 years | 13,254 | 12,376 | 25,630 |
| 50 to 54 years | 12,278 | 11,394 | 23,672 |
| 55 to 59 years | 12,186 | 11,763 | 23,949 |
| 60 to 64 years | 9,297 | 9,527 | 18,824 |
| 65 to 69 years | 8,104 | 8,532 | 16,636 |
| 70 to 74 years | 5,822 | 6,223 | 12,045 |
| 75 to 79 years | 3,407 | 4,134 | 7,541 |
| 80 to 84 years | 2,389 | 2,289 | 4,678 |
| 85 years and over | 1,337 | 3,588 | 4,925 |
Things to know
What is the population of Brazoria County, TX under 18?
Brazoria County's population under the age of 18 is 97,090, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 25.92% of the total resident population of Brazoria County, TX.
What is the aging population in Brazoria County, TX?
Brazoria County's population aged 65 years and above was 45,825. As per the U.S. Census Bureau's American Community Survey, this population is 12.23% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates