Mercer County Population 2018

Mercer County's estimated population is 40,873 with a growth rate of 0.40% in the past year according to the most recent United States census data. Mercer County is the 61st largest county in Ohio.

Year Population Growth Growth Rate
201740,8731630.40%
201640,71040.01%
201540,706-15-0.04%
201440,7211140.28%
201340,607-93-0.23%
201240,700-6-0.01%
201140,706-80-0.20%
201040,7861,3433.40%
199039,4431,1092.89%
198038,3343,0698.70%
197035,2652,7068.31%
196032,5594,24815.00%
195028,3112,0557.83%
194026,2561,1604.62%
193025,096-1,776-6.61%
192026,872-664-2.41%
191027,536-485-1.73%
190028,0218012.94%
189027,2205,41224.82%
188021,8084,55426.39%
187017,2543,15022.33%
186014,1046,39282.88%
18507,712-565-6.83%
18408,2777,167645.68%
18301,1101,0151068.42%
1820950.00%

Mercer County Population Growth

Population Data via

Mercer County Race Data

Race Population Percentage
White39,88897.59%
Two or More Races4141.01%
Asian2080.51%
Black or African American1660.41%
Native Hawaiian and Other Pacific Islander1560.38%
American Indian and Alaska Native1150.28%

Mercer County Population Pyramid

0k1k1k2k Male Population0k1k1k2k 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