Data / Population / Castro County

Population in Castro County

Population in Castro County was 7,295 in 2025, according to the U.S. Census Bureau. That is down 0.7% from 2024. That is the 183rd highest of 254 counties in 2025.

2025, persons7,295
Change on 2024-0.7%
Rank183rd of 254Counties in Texas ranked
Series high7,3552021
Series low7,2852022

Population in Castro County, 2020 to 2025

CSVChart (SVG)

7,2807,3007,3207,3407,3602020202120222023202420252020: 7,324 persons2021: 7,355 persons2022: 7,285 persons2023: 7,291 persons2024: 7,343 persons2025: 7,295 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20257,295
20247,343
20237,291
20227,285
20217,355
20207,324

Compared with Texas and United States

Place2025
Castro County7,295
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.

Use this data in your AI agent

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What is the latest population in Castro County? Cite the source.
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Questions

What is the population in Castro County?

Population in Castro County was 7,295 in 2025, according to the U.S. Census Bureau. That is down 0.7% from 2024. That is the 183rd 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 Castro County?

7,355 in 2021, the highest value since 2020 in this series.

More statistics for Castro County

All statistics for Castro County