Is Wyoming's population growing or shrinking?
Refreshed annually
It grew by 2,000 between 2024 and 2025. That’s more than the population of Pinedale. Changes in population reflect birth and death rates, immigration patterns, regional shifts, and even the overall health of the economy. Wyoming’s 0.35% annual increase was primarily driven by people moving from other states. In the decade between 2015 and 2025, Wyoming’s population grew by 0.87%.
+2.03K
population change (2024 to 2025)
+0.35%
percent change in population (2024 to 2025)
Since 2000, Wyoming's population increased in 22 of 25 years. The largest increase occurred between 2008 and 2009, when it gained 13,800 residents. The state's largest decline during the 21st century occurred between 2016 and 2017 when it lost 5,800 residents.
Wyoming gained 2,000 residents between 2024 and 2025.
Annual population change, 1901–2025
What contributes to population change in Wyoming?
A state’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 to 2025 natural population change was positive in Wyoming, with births exceeding deaths by 295.
- Immigration: international migration directly into or out of a state. 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. Wyoming’s population change from immigration was positive, with about 258 more people coming from another country to Wyoming than leaving.
- Domestic migration, moving between states: Wyoming’s population change from domestic migration was positive, with about 1,500 more people moving to Wyoming from other states than leaving.
Between 2024 and 2025, domestic migration was the primary driver of population growth in Wyoming.
Components of population change, 2011–2025
Which counties in Wyoming are growing? Which are shrinking?
Among 23 county equivalents, Laramie County had the largest population growth in Wyoming, welcoming 1,251 new residents. Fremont County lost the most, with a loss of 200 residents. County-level population data is available as of 2025.
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Laramie County led Wyoming in percent population increase between 2024 and 2025 at 1.2 percent. Washakie County ranked last with a 0.52 percent decline.
Between 2024 and 2025, Laramie County gained 1.2% in population, the largest increase in Wyoming.
Population change
How does population change in Wyoming compare to other states?
Between 2015 and 2025, Wyoming’s population has increased by 0.87%. During that same period, the US population grew by 6.2%. Wyoming ranks 43rd among states in population growth over that decade.
Wyoming ranked 43rd in population growth between 2015 and 2025.
Percent change in population
Population change between 2024 and 2025, by county in Wyoming
| County | Population change rate | |
|---|---|---|
| 1. | Laramie County, WY | +1.2% |
| 2. | Niobrara County, WY | +1.1% |
| 3. | Sheridan County, WY | +0.94% |
| 4. | Lincoln County, WY | +0.92% |
| 5. | Johnson County, WY | +0.89% |
| 6. | Platte County, WY | +0.83% |
| 7. | Crook County, WY | +0.78% |
| 8. | Uinta County, WY | +0.36% |
| 9. | Natrona County, WY | +0.32% |
| 10. | Converse County, WY | +0.25% |
Population change between 2015 and 2025, by state
| State | Population change rate | |
|---|---|---|
| 1. | Idaho | +22% |
| 2. | Utah | +17.9% |
| 3. | Florida | +16.5% |
| 4. | Texas | +15.8% |
| 5. | Nevada | +14.9% |
| 6. | South Carolina | +14.8% |
| 7. | Arizona | +13.7% |
| 8. | North Carolina | +12.4% |
| 9. | Delaware | +12.2% |
| 10. | Washington state | +11.4% |
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.
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.
