How many people live in Montgomery County, TX?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 749,600 people living in Montgomery County, TX. That makes Montgomery County the 11th-most populous county in Texas. It is home to 2.4% of people living in the state.
750K
population of Montgomery County, TX (2024)
2.4%
County share of the Texas population (2024)
About 749,600 people lived in Montgomery County, TX in 2024.
Population estimates, 2000–2024
What are Montgomery County, TX’s age demographics?
About 106,300 Montgomery County, TX residents are aged 65 and older in 2024. That represents 14.2% of its population. For comparison, the age group represents 14% of Texas's population and 18% in the US overall.
Another 190,300 Montgomery County, TX residents, or 25.4% 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 lower share of Montgomery County, TX's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Montgomery County, TX’s racial and ethnic demographics?
Hispanic residents make up 29.3% of the Montgomery County, TX population, higher than the national share of 20%.
In contrast, Montgomery County’s non-Hispanic Black or African American population accounts for 7.6%, below the 12.6% nationwide, and the non-Hispanic Asian population makes up 3.9% 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.
Montgomery 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 Montgomery County, TX is Conroe with about 114,600 residents in 2024.
Cities and towns in Montgomery County, TX ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Conroe | 114,581 |
| 2. | Willis | 7,222 |
| 3. | Magnolia | 6,506 |
| 4. | Houston (pt.) | 6,290 |
| 5. | Shenandoah | 3,839 |
| 6. | Oak Ridge North | 3,003 |
| 7. | Montgomery | 2,860 |
| 8. | Panorama Village | 2,521 |
| 9. | Roman Forest | 2,367 |
| 10. | Splendora | 2,063 |
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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.
