Overview
20,423
Total Population
33.4
Median age
44.48%
Female population %
124.8:100
Gender ratio (M:F)
20-24 years
Largest age group
51.2
Total dependency ratio
White
Largest racial group
18,022
Hispanic population
Sources: U.S. Census Bureau, American Community Survey (ACS) 2021
TABLE OF CONTENTS
Age
Willacy County's population is young compared to the rest of the country:
- The median age in Willacy County is 33.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
- Willacy County's population under 18 was 23.84%, compared to the 22.51% nationwide.
- Willacy County's elderly or the senior population (over 65 age) was 13.82% as compared to 16.04% nationwide.
- Of the total population in Willacy County, 20.05% were under the age of 15, 24.54% aged 15 to 29, 41.60% aged 30 to 64, 11.92% aged 65 to 84, and 1.89% were 85 years of age and older.

Read more about Willacy County, TX population by age ➔
Gender
There are 2,255 less females than males in Willacy County:
- The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 44.48% females and 55.52% males in Willacy County, TX.
- The Willacy County, TX gender ratio is 124.8:100 i.e. 124.8 men to 100 women (1.248).
- For male population, the largest age group is 20-24 years with a population of 1,184.
- For the female population, the largest age group is 5-9 years with a population of 793.

Read more about Willacy County, TX population by gender ➔
Race / Ethnicity
Willacy County's population has become increasingly diverse:
- Racial distribution of Willacy County population: 79.51% are White, 0.63% are Black or African American, 0.58% are American Indian and Alaska Native, 2.69% are some other race and 16.59% are multiracial.
- Willacy County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
- By ethnicity, 18,022 is Hispanic or Latino (of any race), and 2,401 (11.76% of the total population) is Non-Hispanic.
- The largest racial group in Willacy County is White with a population of 16,239 (79.51% of the total population).

Read more about Willacy County, TX population by race ➔
Year by year
Willacy County's population has already reached its peak and is showing a trend of decline:
- The peak population was 22,226 in the year 2010
- From 2000 to 2010, Willacy County's population increased by 2,192 (10.94%), as compared to the national growth of 9.63%.
- From 2010 to 2020, Willacy County's population decreased by 2,076 (9.34%), 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, Willacy County's population was lowest in year 2001 at 19,820.

Read more about Willacy County, TX 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)