Montgomery County Population 2017

Montgomery County's estimated population is 531,239 with a growth rate of -0.06% in the past year according to the most recent United States census data. Montgomery County is the 5th largest county in Ohio.

Year Population Growth Growth Rate
2016531,239-328-0.06%
2015531,567-616-0.12%
2014532,183-1,943-0.36%
2013534,126-566-0.11%
2012534,692-190-0.04%
2011534,882-1,335-0.25%
2010536,217-37,592-6.55%
1990573,8092,1120.37%
1980571,697-34,451-5.68%
1970606,14879,06815.00%
1960527,080128,63932.29%
1950398,441102,96134.85%
1940295,48021,9998.04%
1930273,48163,94930.52%
1920209,53245,76927.95%
1910163,76333,61725.83%
1900130,14629,29429.05%
1890100,85222,30228.39%
188078,55014,54422.72%
187064,00611,77622.55%
186052,23014,01236.66%
185038,2186,28019.66%
184031,9387,57631.10%
183024,3628,36352.27%
182015,9998,277107.19%
18107,7220.00%

Montgomery County Population Growth

Population Data via

Montgomery County Race Data

Race Population Percentage
White391,95973.78%
Black or African American112,90121.25%
Two or More Races13,8622.61%
Asian11,1802.10%
American Indian and Alaska Native1,3660.26%
Native Hawaiian and Other Pacific Islander2990.06%

Montgomery County Population Pyramid

0k5k10k15k20kMontgomery County Male Population0k5k10k15k20kMontgomery County Female Population

Population of Cities in Montgomery County

City 2010 Census 2016 Estimated Growth Growth Rate
Dayton141869140489-1380-0.97%
Miamisburg2018119968-213-1.06%
Vandalia1524815058-190-1.25%
Englewood1346513502370.27%
Clayton1320913160-49-0.37%
Brookville58845895110.19%
Germantown55355486-49-0.89%
New Lebanon39953971-24-0.60%
Farmersville10091001-8-0.79%
Phillipsburg557553-4-0.72%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990