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
Homeownership is the standout figure in Lyon County: 81.6% of homes are owner-occupied, higher than the national rate. Lyon County is a county in Kentucky with a population of 8,831.
Household earnings are middling, with a median of $64,464 — below the US median of $78,538. Poverty runs at 9.4%, below the national 12.4%. The typical home is valued at $183,600, with typical rent around $809.
College attainment is 16.3%, below the national 35.0%. Remote work is on the lower side here, at 4.9%, below the national 14.0%, and the average commute runs about 27 minutes each way.
The ownership rate anchors the housing story in Lyon County, and tends to move with the age structure and home-value figures above.
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+
Largest cities in Kentucky
Other counties in 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.
Lyon County, KY Climate
Lyon County, KY has an average annual temperature of 14.3°C (58°F) and receives about 1273 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
14.3°C
Avg Temp
1273
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 34° | 89 mm |
| February | 4° / 38° | 106 mm |
| March | 9° / 48° | 126 mm |
| April | 14° / 58° | 121 mm |
| May | 19° / 66° | 123 mm |
| June | 24° / 74° | 97 mm |
| July | 26° / 79° | 108 mm |
| August | 25° / 77° | 91 mm |
| September | 22° / 71° | 91 mm |
| October | 15° / 59° | 81 mm |
| November | 9° / 49° | 117 mm |
| December | 4° / 39° | 123 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Lyon County, KY
The most comfortable months to visit Lyon County, KY are typically September, June and May, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 32°C high). The coldest is January (near -4°C low). March is usually the wettest month.
Where to stay near Lyon County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.