Montgomery County, Texas Age & Gender Distribution (2024)
Population distribution by age and gender for Montgomery County, Texas
Montgomery County, Texas Age & Gender Statistics (2024)
Total Population
684,432
Median Age
37.2
Male Median
36.6
Female Median
37.7
Montgomery County, Texas Population Growth

Montgomery County, Texas Demographic Trend
Since 2010, the population of has changed by +60.0%%.
+60.0%% Growth
Montgomery County, Texas Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Montgomery County, Texas Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 37.2 | 684,432 |
| 2023 | 37.2 | 654,722 |
| 2022 | 37.4 | 629,989 |
| 2021 | 37.3 | 607,999 |
| 2020 | 37.2 | 590,188 |
| 2019 | 37.1 | 571,949 |
| 2018 | 36.9 | 554,445 |
| 2017 | 36.7 | 535,187 |
| 2016 | 36.6 | 518,849 |
| 2015 | 36.4 | 502,586 |
| 2014 | 36.3 | 487,028 |
| 2013 | 36.2 | 472,162 |
| 2012 | 36.2 | 458,339 |
| 2011 | 36.0 | 443,622 |
| 2010 | 35.8 | 427,717 |
Montgomery County, Texas Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 6.3% |
| 5–17 | 19.5% |
| 18–24 | 8.4% |
| 25–34 | 12.9% |
| 35–54 | 27.4% |
| 55–64 | 11.8% |
| 65+ | 13.7% |
Dependency Ratios for Montgomery County, Texas
- Total Dependency Ratio:
- 65.6
- Youth Dependency:
- 42.8
- Old-Age Dependency:
- 22.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Montgomery County, Texas
The median age in Montgomery County, Texas is 37.2 years.
According to latest Census data, the total population of Montgomery County, Texas is 684,432.
In Montgomery County, Texas, seniors (ages 65+) make up 13.7% of the population, while children under 18 represent 19.5%.
Based on historical data since 2010, the population in Montgomery County, Texas has remained stable.