Mercer County Population 2018

Mercer County's estimated population is 111,750 with a growth rate of -0.82% in the past year according to the most recent United States census data. Mercer County is the 30th largest county in Pennsylvania.

Year Population Growth Growth Rate
2017111,750-923-0.82%
2016112,673-1,073-0.94%
2015113,746-1,031-0.90%
2014114,777-393-0.34%
2013115,170-471-0.41%
2012115,641-498-0.43%
2011116,139-477-0.41%
2010116,616-4,387-3.63%
1990121,003-7,296-5.69%
1980128,2991,1240.88%
1970127,175-344-0.27%
1960127,51915,56513.90%
1950111,95410,91510.80%
1940101,0391,7931.81%
193099,2465,4585.82%
192093,78816,08920.71%
191077,69920,31235.39%
190057,3871,6432.95%
189055,744-417-0.74%
188056,1616,18412.37%
187049,97713,12135.60%
186036,8563,68411.11%
185033,1722990.91%
184032,87313,14466.62%
183019,7298,04868.90%
182011,6813,40441.13%
18108,2775,049156.41%
18003,2280.00%

Mercer County Population Growth

Population Data via

Mercer County Race Data

Race Population Percentage
White104,42093.44%
Black or African American6,6625.96%
Two or More Races1,9121.71%
Asian7710.69%
American Indian and Alaska Native2080.19%
Native Hawaiian and Other Pacific Islander190.02%

Mercer County Population Pyramid

0k1k2k3k4k Male Population0k1k2k3k4k Female Population8580757065605550454035302520151050
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