Data / Population / Lamar County

Population in Lamar County

Population in Lamar County was 51,503 in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 74th highest of 254 counties in 2025.

2025, persons51,503
Change on 2024+0.3%
Rank74th of 254Counties in Texas ranked
Series high51,5032025
Series low50,1312020

Population in Lamar County, 2020 to 2025

CSVChart (SVG)

50K50.5K51K51.5K52K2020202120222023202420252020: 50,131 persons2021: 50,359 persons2022: 50,488 persons2023: 51,155 persons2024: 51,342 persons2025: 51,503 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
202551,503
202451,342
202351,155
202250,488
202150,359
202050,131

Compared with Texas and United States

Place2025
Lamar County51,503
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

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 Lamar County? Cite the source.
get_value {"indicator":"population","place":"us-county-48277"}
GET https://invokely.ai/api/v1/value?indicator=population&place=us-county-48277

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

Questions

What is the population in Lamar County?

Population in Lamar County was 51,503 in 2025, according to the U.S. Census Bureau. That is up 0.3% from 2024. That is the 74th 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 Lamar County?

51,503 in 2025, the highest value since 2020 in this series.

More statistics for Lamar County

All statistics for Lamar County