Is Allen Parish, LA's population growing or shrinking?
Refreshed annually
It shrank by 62 between 2024 and 2025. Changes in population reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. Allen Parish, LA’s 0.27% annual decrease was primarily driven by people moving to other states.
In the decade between 2015 and 2025, Allen Parish, LA’s population shrank by 11.5%.
-62
population change (2024 to 2025)
-0.27%
percent change in population (2024 to 2025)
Since 2000, Allen Parish, LA’s population increased 12 out of 25 years. The largest increase occurred between 2005 and 2006, when Allen Parish, LA gained 589 residents. Its largest decline occurred between 2019 and 2020 when there were 2,900 fewer residents.
Allen Parish, LA lost 62 residents between 2024 and 2025.
Annual population change, 2001–2025
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What contributes to population change in Allen Parish, LA?
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 negative in Allen Parish, LA, with deaths exceeding births 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, Allen Parish, LA’s population change from immigration was positive with about 93 more people coming from another country directly to Allen Parish, LA than leaving.
- Domestic migration, moving between counties: Between 2024 to 2025, Allen Parish, LA’s population change from domestic migration was negative with about 134 more people moving to any other county in the US.
Between 2024 and 2025, domestic migration was the primary driver of population decline in Allen Parish, LA.
Components of population change from previous year, 2011–2025
How is the US population changing?
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
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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.
