How many people live in McLennan County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 270,400 people living in McLennan County, TX. That makes McLennan County the 21st-most populous county in Texas. It is home to 0.85% of people living in the state.
270K
population of McLennan County, TX (2024)
0.85%
County share of the Texas population (2024)
About 270,400 people lived in McLennan County, TX in 2024.
Population estimates, 2000–2024
What are McLennan County, TX’s age demographics?
About 42,800 McLennan County residents are aged 65 and older in 2024. That represents 15.8% of its population. For comparison, the age group represents 14% of Texas’s population and 18% in the US overall.
Another 63,700 McLennan County residents, or 23.6% of the population, were children under 18. For comparison, the age group represents 24.6% of Texas’s population and 21.6% in the US overall.
A higher share of McLennan County, TX's population is aged 18–24 than the US as a whole.
Population estimates by age group, (2024)
What are McLennan County, TX’s racial and ethnic demographics?
Hispanic residents make up 27.7% of the McLennan County, TX population, higher than the national share of 20%. McLennan County, TX also has a larger share of people identifying as non-Hispanic Black or African American (13.9%) than the US overall (12.6%).
In contrast, McLennan County’s non-Hispanic Asian population accounts for 2%, below the 6.5% nationwide, and the non-Hispanic white population makes up 54.1% of the county, compared with 57.5% 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.
McLennan County, TX has a higher share of a non-Hispanic white population than Texas as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in McLennan County, TX is Waco with about 146,600 residents in 2024.
Cities and towns in McLennan County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Waco | 146,608 |
| 2. | Hewitt | 16,749 |
| 3. | Robinson | 12,986 |
| 4. | Bellmead | 10,607 |
| 5. | Woodway | 9,686 |
| 6. | Lacy-Lakeview | 7,262 |
| 7. | McGregor (pt.) | 6,161 |
| 8. | West | 2,597 |
| 9. | Beverly Hills | 1,847 |
| 10. | Mart (pt.) | 1,833 |
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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.
