Data / Population / Lyon County

Population in Lyon County

Population in Lyon County was 9,123 in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 101st highest of 120 counties in 2025.

2025, persons9,123
Change on 2024+0.5%
Rank101st of 120Counties in Kentucky ranked
Series high9,1772023
Series low8,4262021

Population in Lyon County, 2020 to 2025

CSVChart (SVG)

8,4008,6008,8009,0009,2002020202120222023202420252020: 8,673 persons2021: 8,426 persons2022: 9,100 persons2023: 9,177 persons2024: 9,077 persons2025: 9,123 persons
persons. Source: U.S. Census Bureau. Retrieved 2026-10-08, published 2026-03-26.
All 6 values
Periodpersons
20259,123
20249,077
20239,177
20229,100
20218,426
20208,673

Compared with Kentucky and United States

Place2025
Lyon County9,123
Kentucky4,606,864
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

For Denmark, Statistics Denmark counts the registered resident population on 1 January. Greenland and the Faroe Islands are excluded. The annual series selects the first-quarter reference date from FOLK1A. The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.

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What is the latest population in Lyon County? Cite the source.
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Questions

What is the population in Lyon County?

Population in Lyon County was 9,123 in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 101st highest of 120 counties in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). Retrieved by Invokely on 2026-10-08.

What was the highest population in Lyon County?

9,177 in 2023, the highest value since 2020 in this series.

More statistics for Lyon County

All statistics for Lyon County