Butler County Population 2017

Butler County's estimated population is 377,537 with a growth rate of 0.55% in the past year according to the most recent United States census data. Butler County is the 7th largest county in Ohio.

Year Population Growth Growth Rate
2016377,5372,0780.55%
2015375,4592,0080.54%
2014373,4512,3590.64%
2013371,0924410.12%
2012370,6514520.12%
2011370,1991,1210.30%
2010369,07877,59926.62%
1990291,47932,69212.63%
1980258,78732,58014.40%
1970226,20727,13113.63%
1960199,07651,87335.24%
1950147,20326,95422.42%
1940120,2496,1655.40%
1930114,08427,05931.09%
192087,02516,75423.84%
191070,27113,40123.56%
190056,8708,27317.02%
189048,5976,01814.13%
188042,5792,6676.68%
187039,9124,07211.36%
186035,8405,05116.41%
185030,7892,6169.29%
184028,1731,0313.80%
183027,1425,39624.81%
182021,74610,59695.03%
181011,1500.00%

Butler County Population Growth

Population Data via

Butler County Race Data

Race Population Percentage
White323,25585.62%
Black or African American31,2698.28%
Asian11,1202.95%
Two or More Races8,3272.21%
American Indian and Alaska Native1,0490.28%
Native Hawaiian and Other Pacific Islander4390.12%

Butler County Population Pyramid

0k5k10k15kButler County Male Population0k5k10k15kButler County Female Population

Population of Cities in Butler County

City 2010 Census 2016 Estimated Growth Growth Rate
Hamilton6227262127-145-0.23%
Middletown48678488131350.28%
Fairfield42508426171090.26%
Oxford21377223419644.51%
Monroe124531347310208.19%
Trenton11869127628937.52%
Seven Mile751772212.80%
College Corner40741140.98%
Somerville28128320.71%
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