Data / Population / Willacy County

Population in Willacy County

Population in Willacy County was 19,971 in 2025, according to the U.S. Census Bureau. That is down 0.5% from 2024. That is the 124th highest of 254 counties in 2025.

2025, persons19,971
Change on 2024-0.5%
Rank124th of 254Counties in Texas ranked
Series high20,2782021
Series low19,9712025

Population in Willacy County, 2020 to 2025

CSVChart (SVG)

19.9K20K20.1K20.2K20.3K2020202120222023202420252020: 20,125 persons2021: 20,278 persons2022: 20,197 persons2023: 20,011 persons2024: 20,070 persons2025: 19,971 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202519,971
202420,070
202320,011
202220,197
202120,278
202020,125

Compared with Texas and United States

Place2025
Willacy County19,971
Texas31,709,821
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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Questions

What is the population in Willacy County?

Population in Willacy County was 19,971 in 2025, according to the U.S. Census Bureau. That is down 0.5% from 2024. That is the 124th highest of 254 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Willacy County?

20,278 in 2021, the highest value since 2020 in this series.

More statistics for Willacy County

All statistics for Willacy County