Marathon County Population 2018

Marathon County's estimated population is 135,732 with a growth rate of 0.40% in the past year according to the most recent United States census data. Marathon County is the 10th largest county in Wisconsin.

Year Population Growth Growth Rate
2017135,7325370.40%
2016135,195-199-0.15%
2015135,3941790.13%
2014135,2152870.21%
2013134,9285310.40%
2012134,397440.03%
2011134,3533060.23%
2010134,04718,64716.16%
1990115,4004,1303.71%
1980111,27013,81314.17%
197097,4578,5839.66%
196088,8748,53710.63%
195080,3374,4225.82%
194075,9155,2867.48%
193070,6295,3708.23%
192065,25910,20518.54%
191055,05411,79827.27%
190043,25612,88742.43%
189030,36913,24877.38%
188017,12111,236190.93%
18705,8852,993103.49%
18602,8922,384469.29%
18505080.00%

Marathon County Population Growth

Population Data via

Marathon County Race Data

Race Population Percentage
White124,23891.53%
Asian7,7035.68%
Two or More Races1,8961.40%
Black or African American1,1160.82%
American Indian and Alaska Native7700.57%
Native Hawaiian and Other Pacific Islander590.04%

Marathon County Population Pyramid

0k1k2k3k4k5k Male Population0k1k2k3k4k5k 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