Williams County Population 2018

Williams County's estimated population is 36,784 with a growth rate of -0.37% in the past year according to the most recent United States census data. Williams County is the 66th largest county in Ohio.

Year Population Growth Growth Rate
201736,784-137-0.37%
201636,921-76-0.21%
201536,997-189-0.51%
201437,186-233-0.62%
201337,419-97-0.26%
201237,516-60-0.16%
201137,576690.18%
201037,5075511.49%
199036,9565871.61%
198036,3692,7008.02%
197033,6693,70112.35%
196029,9683,76614.37%
195026,2026922.71%
194025,5101,1944.91%
193024,316-311-1.26%
192024,627-571-2.27%
191025,1982450.98%
190024,953560.22%
189024,8971,0764.52%
188023,8212,83013.48%
187020,9914,35826.20%
186016,6338,615107.45%
18508,0183,55379.57%
18404,4654,0781053.75%
18303870.00%

Williams County Population Growth

Population Data via

Williams County Race Data

Race Population Percentage
White35,91597.64%
Black or African American4421.20%
Two or More Races3821.04%
Asian2070.56%
American Indian and Alaska Native1220.33%
Native Hawaiian and Other Pacific Islander90.02%

Williams 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