Total Population in Montgomery County, PA
ACS 2024 5-Year Estimates
867,573
Rank #70/3,222 · #3 in PA
98th
Montgomery 867,573
PA 13M -93.3%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Montgomery County's total population of 867,573 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 →| #67 | Middlesex County, NJ | 871,290 |
| #68 | El Paso County, TX | 870,779 |
| #69 | Worcester County, MA | 867,788 |
| #70 | Montgomery County, PA | 867,573 |
| #71 | Essex County, NJ | 863,002 |
| #72 | Baltimore County, MD | 850,796 |
| #73 | Snohomish County, WA | 844,430 |
About Total Population
Montgomery County, Pennsylvania has a total population of 867,573, ranking #70 of 3,222 counties nationwide — 99.7% below the national value of 330M. Within Pennsylvania, it ranks #3 of 67. This places it in the 98th 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.