Is Martin County, TX's population growing or shrinking?
Refreshed annually
It shrank by 3 between 2024 and 2025. Changes in population reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. Martin County, TX’s 0.06% annual decrease was primarily driven by emigration from the state.
In the decade between 2015 and 2025, Martin County, TX’s population shrank by 6.3%.
-3
population change (2024 to 2025)
-0.06%
percent change in population (2024 to 2025)
Since 2000, Martin County, TX’s population increased 15 out of 25 years. The largest increase occurred between 2012 and 2013, when Martin County, TX gained 292 residents. Its largest decline occurred between 2019 and 2020 when there were 484 fewer residents.
Martin County, TX lost 3 residents between 2024 and 2025.
Annual population change, 2001–2025
Get weekly insights
Subscribe for data-driven insights. No spin, just the facts.
What contributes to population change in Martin County, TX?
A county’s population is influenced by three factors:
- Natural population change: If births outnumber deaths in a given year, natural population growth is positive. If deaths exceed births, it is negative. Between 2024 and 2025 natural population change was positive in Martin County, TX, with births exceeding deaths by 19.
- Immigration: international migration directly into or out of a county: If more people move in than move out, population change from immigration is positive. If more people move out than move in, it’s negative. Between 2024 to 2025, Martin County, TX’s population change from immigration was negative with about 11 more people leaving for another country directly from Martin County, TX than coming.
- Domestic migration, moving between counties: Between 2024 to 2025, Martin County, TX’s population change from domestic migration was negative with about 11 more people moving to any other county in the US.
Between 2024 and 2025, immigration was the primary driver of population decline in Martin County, TX.
Components of population change from previous year, 2011–2025
How is the US population changing?
Keep exploring
Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
