St. Mary Parish, LA population age distributions
A complete breakdown of St. Mary Parish'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 | 3,216 | 6.55% |
| 5 to 9 years | 2,943 | 5.99% |
| 10 to 14 years | 3,632 | 7.4% |
| 15 to 19 years | 3,020 | 6.15% |
| 20 to 24 years | 2,552 | 5.2% |
| 25 to 29 years | 3,278 | 6.67% |
| 30 to 34 years | 2,834 | 5.77% |
| 35 to 39 years | 3,392 | 6.91% |
| 40 to 44 years | 2,250 | 4.58% |
| 45 to 49 years | 2,889 | 5.88% |
| 50 to 54 years | 3,188 | 6.49% |
| 55 to 59 years | 3,387 | 6.9% |
| 60 to 64 years | 3,899 | 7.94% |
| 65 to 69 years | 3,069 | 6.25% |
| 70 to 74 years | 1,961 | 3.99% |
| 75 to 79 years | 1,507 | 3.07% |
| 80 to 84 years | 957 | 1.95% |
| 85 years and over | 1,140 | 2.32% |
TABLE OF CONTENTS
St. Mary Parish, LA population by age group
Sources: U.S. Census Bureau, American Community Survey (ACS) 2018-2022
FIGURE 1
St. Mary Parish, LA population by age group.
The largest age group is 60 to 64 years with a population of 3,899 (7.94% of the total population).
The largest age group in St. Mary Parish, LA was for the group of age 60 to 64 years with a population of 3,899 (7.94%), according to the 2018-2022 American Community Survey.
At the same time, the smallest age group in St. Mary Parish, LA was the 80 to 84 years with a population of 957 (1.95%).
St. Mary Parish, LA population by age cohort
To better understand the age distribution of St. Mary Parish, LA'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
St. Mary Parish, LA population by age cohort
The largest age group was 18 to 64 years with a population of 28,759 (58.56% of the total population).
Key stats for each age cohort as per our analysis of U.S. Census Bureau American Community Survey:
- St. Mary Parish 's population under 18 was 23.86%, compared to the 22.11% nationwide.
- St. Mary Parish's working population (between 18 and 64) was 58.56%, compared to 61.36% nationwide.
- St. Mary Parish's elderly or the senior population (over 65 age) was 17.58% as compared to 16.53% nationwide.
St. Mary Parish, LA population pyramid
Population pyramid for St. Mary Parish, LA 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 St. Mary Parish's population pyramid:
- Youth dependency ratio, which is the number of children aged 0-14 per 100 persons aged 15-64, for St. Mary Parish, LA, is 31.9.
- Old-age dependency ratio, which is the number of persons aged 65 or over per 100 persons aged 15-64, for St. Mary Parish, LA, is 28.1.
- Total dependency ratio for St. Mary Parish, LA is 60.0.
- Potential support ratio, which is the number of youth (working age population) per elderly, for St. Mary Parish, LA is 3.6.
FIGURE 3
St. Mary Parish, LA population pyramid
St. Mary Parish population distrubution across age and gender. A wide base suggests population increase, narrow base indicates declining birth rates.
St. Mary Parish, LA population pyramid
Here's the St. Mary Parish, LA's male and female population across different age groups .
| Age Group | Population(Male) | Population(Female) | Total Population |
|---|---|---|---|
| Under 5 years | 1,511 | 1,705 | 3,216 |
| 5 to 9 years | 1,523 | 1,420 | 2,943 |
| 10 to 14 years | 1,844 | 1,788 | 3,632 |
| 15 to 19 years | 1,432 | 1,588 | 3,020 |
| 20 to 24 years | 1,419 | 1,133 | 2,552 |
| 25 to 29 years | 1,565 | 1,713 | 3,278 |
| 30 to 34 years | 1,392 | 1,442 | 2,834 |
| 35 to 39 years | 1,665 | 1,727 | 3,392 |
| 40 to 44 years | 1,108 | 1,142 | 2,250 |
| 45 to 49 years | 1,467 | 1,422 | 2,889 |
| 50 to 54 years | 1,587 | 1,601 | 3,188 |
| 55 to 59 years | 1,615 | 1,772 | 3,387 |
| 60 to 64 years | 1,988 | 1,911 | 3,899 |
| 65 to 69 years | 1,619 | 1,450 | 3,069 |
| 70 to 74 years | 804 | 1,157 | 1,961 |
| 75 to 79 years | 718 | 789 | 1,507 |
| 80 to 84 years | 313 | 644 | 957 |
| 85 years and over | 467 | 673 | 1,140 |
Things to know
What is the population of St. Mary Parish, LA under 18?
St. Mary Parish's population under the age of 18 is 11,721, as per the latest U.S. Census Bureau's American Community Survey estimates. This population is 23.86% of the total resident population of St. Mary Parish, LA.
What is the aging population in St. Mary Parish, LA?
St. Mary Parish's population aged 65 years and above was 8,634. As per the U.S. Census Bureau's American Community Survey, this population is 17.58% of the entire population.
References
- U.S. Census Bureau American Community Survey (ACS) 2018-2022 5-Year Estimates