Jefferson County Population 2018

Jefferson County's estimated population is 23,758 with a growth rate of 2.76% in the past year according to the most recent United States census data. Jefferson County is the 24th largest county in Oregon.

Year Population Growth Growth Rate
201723,7586392.76%
201623,1195372.38%
201522,5823631.63%
201422,2193601.65%
201321,859420.19%
201221,817840.39%
201121,733790.36%
201021,6547,97858.34%
199013,6762,07717.91%
198011,5993,05135.69%
19708,5481,41819.89%
19607,1301,59428.79%
19505,5363,494171.11%
19402,042-249-10.87%
19302,291-920-28.65%
19203,2110.00%

Jefferson County Population Growth

Population Data via

Jefferson County Race Data

Race Population Percentage
White17,01571.62%
American Indian and Alaska Native4,35818.34%
Two or More Races7042.96%
Black or African American2711.14%
Asian2000.84%
Native Hawaiian and Other Pacific Islander610.26%

Jefferson County Population Pyramid

0k0k0k1k1k Male Population0k0k0k1k1k 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