How many people live in Limestone County, AL?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 118,900 people living in Limestone County, AL. That makes Limestone County the 10th-most populous county in Alabama. It is home to 2.3% of people living in the state.
119K
population of Limestone County, AL (2024)
2.3%
County share of the Alabama population (2024)
About 118,900 people lived in Limestone County, AL in 2024.
Population estimates, 2000–2024
What are Limestone County, AL’s age demographics?
About 19,100 Limestone County residents are aged 65 and older in 2024. That represents 16.1% of its population. For comparison, the age group represents 18.6% of Alabama’s population and 18% in the US overall.
Another 26,100 Limestone County residents, or 21.9% of the population, were children under 18. For comparison, the age group represents 22.1% of Alabama’s population and 21.6% in the US overall.
A higher share of Limestone County, AL's population is aged 45–64 than the US as a whole.
Population estimates by age group, (2024)
What are Limestone County, AL’s racial and ethnic demographics?
Non-Hispanic white residents make up 72.3% of the Limestone County, AL population, higher than the national share of 57.5%. Limestone County, AL also has a larger share of people identifying as non-Hispanic Black or African American (14.5%) than the US overall (12.6%).
In contrast, Limestone County’s Hispanic population accounts for 7.8%, below the 20% nationwide, and the non-Hispanic Asian population makes up 2.4% 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.
Limestone County, AL has a higher share of a non-Hispanic white population than Alabama as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Limestone County, AL is Athens with about 32,600 residents in 2024.
Cities and towns in Limestone County, AL ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Athens | 32,587 |
| 2. | Madison (pt.) | 13,523 |
| 3. | Huntsville (pt.) | 5,074 |
| 4. | Ardmore | 1,452 |
| 5. | Elkmont | 444 |
| 6. | Lester | 119 |
| 7. | Decatur (pt.) | 59 |
| 8. | Mooresville | 47 |
| 9. | Balance of Limestone County | 65,637 |
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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.
