Population in Starr County

Population in Starr County was 66,319 in 2025, according to the U.S. Census Bureau. That is down 0.1% from 2024. That is the 56th highest of 254 counties in 2025.

2025, persons66,319
Change on 2024-0.1%
Series high66,3982024
Series low65,6962022

Population in Starr County, 2020 to 2025

CSVChart (SVG)

65.6K65.8K66K66.2K66.4K2020202120222023202420252020: 65,853 persons2021: 65,828 persons2022: 65,696 persons2023: 66,062 persons2024: 66,398 persons2025: 66,319 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202566,319
202466,398
202366,062
202265,696
202165,828
202065,853

Compared with Texas and United States

Place2025
Starr County66,319
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 (PadrĂ³n). 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

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

What is the latest population in Starr County? Cite the source.
get_value {"indicator":"population","place":"us-county-48427"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-48427

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

What is the population in Starr County?

Population in Starr County was 66,319 in 2025, according to the U.S. Census Bureau. That is down 0.1% from 2024. That is the 56th 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 Starr County?

66,398 in 2024, the highest value since 2020 in this series.

More statistics for Starr County

All statistics for Starr County