Lyon County, Kentucky Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 105th-largest in Kentucky
The population of Lyon County, Kentucky is 8,831 as of the 2023 American Community Survey, making it the 105th-largest county in Kentucky. The median household income is $64,464, the median home value is $183,600, and the median age is 47.8.
The population of Lyon County has grown 9.0% since 2010 (8,329 → 9,078), a +0.62% annualized rate.
8,831
Population
+0.62%
Annual growth
41
People / sq mi
$64,464
Median Income
$183,600
Median Home Value
Lyon County covers 214 sq mi of land at 41.3 people per square mile.
About Lyon County, KY
Lyon County is a county in Kentucky with a population of 8,831. It ranks #105 among counties in Kentucky by population. The median age is 47.8, older than the national median. The population is 57.0% male and 43.0% female.
The median household income in Lyon County is $64,464, below the US median of $74,580. 9.4% of residents live below the federal poverty level. Home values sit at a median of $183,600, with monthly rent averaging $809. The homeownership rate of 81.6% is higher than the national rate of 64.8%.
Educational attainment in Lyon County reflects 16.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.9% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 26.8 minutes each way.
Lyon County Population History (2010-2024)
The county of Lyon County had a population of 8,329 in 2010 and 9,078 in 2024, a 9.0% growth over 14 years. The peak was 9,190 in 2023. Average annual growth rate: 0.65%.
9,078
Population (2024)
8,329
Population (2010)
9,190
Peak (2023)
0.65%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 8,329 |
| 2011 | 8,435 |
| 2012 | 8,446 |
| 2013 | 8,454 |
| 2014 | 8,413 |
| 2015 | 8,478 |
| 2016 | 8,248 |
| 2017 | 8,293 |
| 2018 | 8,198 |
| 2019 | 8,256 |
| 2020 | 8,678 |
| 2021 | 8,434 |
| 2022 | 9,119 |
| 2023 | 9,190 |
| 2024 | 9,078 |
Race & Ethnicity
| White | 88.5% |
| Black or African American | 6.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
47.8
Median Age
43.0%
Female
57.0%
Male
25.4%
Age 65+
Age Distribution
Children (under 15): 10.8% · Seniors (65+): 25.4%
Income & Poverty
| Median household income | $64,464+$2,047 vs state |
| Mean household income | $83,313 |
| Per-capita income | $32,837 |
| Poverty rate | 9.4%-2.4% vs state |
| Unemployment rate | 1.4% |
| Employment-to-population | 39.3% |
Top Industries by Employment
The largest employment sector in Lyon County is professional & business services, accounting for 21.5% of workers.
How residents commute
0.0%
Drive alone
1.7%
Carpool
87.8%
Public transit
4.9%
Work from home
26.8 min
Avg commute
Housing
$183,600$-8,700 vs state
Median home value
$809
Median rent
81.6%
Homeownership rate
4,806
Total housing units
69.0%
Occupied
31.0%
Vacant
18.4%
Renter-occupied
Social & access
95.2%
With health insurance
92.5%
With broadband internet
36.8%
Foreign-born
9.7%
Veterans (18+)
38.0%
With a disability
99.1%
Speak language other than English at home
Education
90.1%
High School+
16.3%
Bachelor's+
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Other counties in Kentucky
Part of Kentucky
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County rankings
Frequently Asked Questions
Lyon County, Kentucky has a population of 8,831 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 105th-largest county in Kentucky. Population density is 41 people per square mile.
The population of Lyon County has grown 9.0% since 2010 (8,329 → 9,078), a +0.62% annualized rate.
The median household income in Lyon County, Kentucky is $64,464, with mean (average) household income of $83,313 and per-capita income of $32,837. 9.4% of residents live below the federal poverty level.
In Lyon County, the largest racial and ethnic groups are White (88.5%), Black or African American (6.9%), Hispanic or Latino (1.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Lyon County, Kentucky is 47.8 years. Residents are 43.0% female and 57.0% male.
The median home value in Lyon County is $183,600 and median monthly rent is $809. 81.6% of occupied housing units are owner-occupied. The county has 4,806 total housing units, 31.0% of which are vacant.
The largest employment sector in Lyon County, Kentucky is professional, scientific, and management services, employing 21.5% of workers. The unemployment rate is 1.4%.
Louisville/Jefferson County is among the largest cities associated with Lyon County, Kentucky, with a population of 627,210.
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Statewide data for Kentucky
Population, race, income, age, and trends across Kentucky
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.