How many people live in Mason County, KY?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 17,000 people living in Mason County, KY. That makes Mason County the 67th-most populous county in Kentucky. It is home to 0.37% of people living in the state.
17K
population of Mason County, KY (2024)
0.37%
County share of the Kentucky population (2024)
About 17,000 people lived in Mason County, KY in 2024.
Population estimates, 2000–2024
What are Mason County, KY’s age demographics?
About 3,400 Mason County residents are aged 65 and older in 2024. That represents 20% of its population. For comparison, the age group represents 18.1% of Kentucky’s population and 18% in the US overall.
Another 3,900 Mason County residents, or 23% 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 Mason County, KY's population is aged 25–44 than the US as a whole.
Population estimates by age group, (2024)
What are Mason County, KY’s racial and ethnic demographics?
Non-Hispanic white residents make up 86.9% of the Mason County, KY population, higher than the national share of 57.5%. Mason County, KY also has a larger share of people identifying as non-Hispanic two or more races (2.7%) than the US overall (2.5%).
In contrast, Mason County’s Hispanic population accounts for 2.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 5.9% of the county, compared with 12.6% 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.
Mason 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 Mason County, KY is Maysville with about 8,700 residents in 2024.
Cities and towns in Mason County, KY ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Maysville | 8,711 |
| 2. | Dover | 222 |
| 3. | Sardis (pt.) | 58 |
| 4. | Germantown (pt.) | 51 |
| 5. | Balance of Mason County | 7,914 |
Keep exploring
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.
