Butler County Population 2017

Butler County's estimated population is 186,847 with a growth rate of 0.22% in the past year according to the most recent United States census data. Butler County is the 19th largest county in Pennsylvania.

Year Population Growth Growth Rate
2016186,8474060.22%
2015186,4413000.16%
2014186,1417810.42%
2013185,3602790.15%
2012185,0813580.19%
2011184,7236090.33%
2010184,11432,10121.12%
1990152,0134,1012.77%
1980147,91219,97115.61%
1970127,94113,30211.60%
1960114,63917,31917.80%
195097,3209,73011.11%
194087,5907,1108.83%
193080,4803,2104.15%
192077,2704,5816.30%
191072,68915,72727.61%
190056,9621,6232.93%
189055,3392,8035.34%
188052,53616,02643.89%
187036,5109162.57%
186035,5945,24817.29%
185030,3467,96835.61%
184022,3787,79753.47%
183014,5814,38843.05%
182010,1932,84738.76%
18107,3463,43087.59%
18003,9160.00%

Butler County Population Growth

Population Data via

Butler County Race Data

Race Population Percentage
White179,69996.17%
Asian2,2401.20%
Black or African American2,2261.19%
Two or More Races1,9421.04%
American Indian and Alaska Native2620.14%
Native Hawaiian and Other Pacific Islander720.04%

Butler County Population Pyramid

0k2k4k6k8kButler County Male Population0k2k4k6k8kButler County Female Population

Population of Cities in Butler County

City 2010 Census 2016 Estimated Growth Growth Rate
Butler1375713155-602-4.38%
Zelienople38123690-122-3.20%
Slippery Rock36253583-42-1.16%
Evans City18331755-78-4.26%
Mars16991645-54-3.18%
Saxonburg15221480-42-2.76%
Prospect11691125-44-3.76%
Chicora1043996-47-4.51%
Valencia55189033961.52%
Harrisville897874-23-2.56%
Harmony890856-34-3.82%
East Butler732698-34-4.64%
Connoquenessing52862810018.94%
Bruin528501-27-5.11%
Callery394387-7-1.78%
Eau Claire316296-20-6.33%
Portersville235234-1-0.43%
Karns City209207-2-0.96%
Petrolia212206-6-2.83%
West Sunbury192187-5-2.60%
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