Total Population in Montgomery County, OH

ACS 2024 5-Year Estimates

Total Population
536,096
Rank #134 of 3,222
96th percentile

How Montgomery County Compares

Montgomery County
536,096
Ohio Average
536,096
Rank #5 of 88 in state
National
330M
99.8% below

National Distribution

Where Montgomery County falls among all 3,222 U.S. counties for total population.

33 9,808,667

■ Montgomery County: 536,096

Ranking Context

Rank County Value
#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
View full ranking →

Total Population in Montgomery County, Ohio

Montgomery County, Ohio has a total population of 536,096, which ranks #134 of 3,222 out of 3,222 counties nationwide. This is 99.8% below the national value of 330M.

Within Ohio, Montgomery County ranks #5 of 88 out of 88 counties. This places it in the 96th percentile nationally.

Total population count from the American Community Survey. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.