Total Population in Montgomery County, OH
ACS 2024 5-Year Estimates
536,096
Rank #134/3,222 · #5 in OH
96th
Montgomery 536,096
OH 12M -95.5%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Montgomery County's total population of 536,096 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Montgomery County for total population.
Nearby Rankings
Full ranking →| #131 | Chester County, PA | 547,840 |
| #132 | Ramsey County, MN | 542,945 |
| #133 | Summit County, OH | 537,864 |
| #134 | Montgomery County, OH | 536,096 |
| #135 | Plymouth County, MA | 535,075 |
| #136 | Adams County, CO | 530,225 |
| #137 | Sedgwick County, KS | 528,226 |
About Total Population
Montgomery County, Ohio has a total population of 536,096, ranking #134 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within Ohio, it ranks #5 of 88. This places it in the 96th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.