Overview
4,858
Total Population
35.8
Median age
47.06%
Female population %
112.5:100
Gender ratio (M:F)
25-29 years
Largest age group
80.9
Total dependency ratio
White
Largest racial group
26
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Westlake's population is young compared to the rest of the country:
- The median age in Westlake is 35.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Westlake's population under 18 was 25.52%, compared to the 22.51% nationwide.
- Westlake's elderly or the senior population (over 65 age) was 21.35% as compared to 16.04% nationwide.
- Of the total population in Westlake, 23.36% were under the age of 15, 18.71% aged 15 to 29, 36.58% aged 30 to 64, 19.72% aged 65 to 84, and 1.63% were 85 years of age and older.

Read more about Westlake, LA population by age ➔
Gender
There are 286 less females than males in Westlake:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.06% females and 52.94% males in Westlake, LA.
- The Westlake, LA gender ratio is 112.5:100 i.e. 112.5 men to 100 women (1.125).
- For male population, the largest age group is 65-69 years with a population of 303.
- For the female population, the largest age group is 25-29 years with a population of 321.

Read more about Westlake, LA population by gender ➔
Race / Ethnicity
Westlake's population has become increasingly diverse:
- Racial distribution of Westlake population: 78.30% are White, 14.64% are Black or African American, 4.10% are Asian, 1.05% are some other race and 1.91% are multiracial.
- Westlake's racial breakdown clearly shows that there is an absolute majority of White population in the city.
- By ethnicity, 26 is Hispanic or Latino (of any race), and 4,832 (99.46% of the total population) is Non-Hispanic.
- The largest racial group in Westlake is White with a population of 3,804 (78.30% of the total population).

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Year by year
Westlake's population has already reached its peak and is showing a trend of decline:
- The peak population was 4,952 in the year 2020
- From 2000 to 2010, Westlake's population decreased by 86 (1.85%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Westlake's population increased by 390 (8.55%), 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, Westlake's population was lowest in year 2006 at 4,509.

Read more about Westlake, LA population by year ➔
References
- U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates
- U.S. Census Bureau Population Estimates Population Estimates Program (PEP)