How many people live in Lyon County, KY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 9,100 people living in Lyon County, KY. That makes Lyon County the 102nd-most populous county in Kentucky. It is home to 0.2% of people living in the state.
9.08K
population of Lyon County, KY (2024)
0.2%
County share of the Kentucky population (2024)
About 9,100 people lived in Lyon County, KY in 2024.
Population estimates, 2000–2024
What are Lyon County, KY’s age demographics?
About 2,300 Lyon County, KY residents are aged 65 and older in 2024. That represents 24.8% of its population. For comparison, the age group represents 18.1% of Kentucky’s population and 18% in the US overall.
Another 1,300 Lyon County residents, or 14.2% of the population, were children under 18. For comparison, the age group represents 22.4% of Kentucky’s population and 21.6% in the US overall.
A lower share of Lyon County, KY's population is aged under 18 than the US as a whole.
Population estimates by age group, (2024)
What are Lyon County, KY’s racial and ethnic demographics?
Non-Hispanic white residents make up 87.9% of the Lyon County, KY population, higher than the national share of 57.5%.
In contrast, Lyon County’s Hispanic population accounts for 2.5%, below the 20% nationwide, and the non-Hispanic Asian population makes up 0.52% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Lyon County, KY has a higher share of a non-Hispanic white population than Kentucky as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Lyon County, KY is Eddyville with about 2,300 residents in 2024.
Cities and towns in Lyon County, KY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Eddyville | 2,332 |
| 2. | Kuttawa | 674 |
| 3. | Balance of Lyon County | 6,072 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
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.
