Oregon Outline Oregon Demographics by Cubit

Oregon / Jefferson County

Get Jefferson County, OR Demographics

Who knew Jefferson County demographics could be so sexy? Check out Census 2010 data and current American Community Survey data for Jefferson County, OR. Feast your eyes on statuesque tables, curvacous pie charts and titillating trend lines. We dare you to call Jefferson County demographic data boring!

Quick Facts

Population 2010 Census 21,720 #26 in the state
Median Income 2010 for Households $41,425
Poverty Rate 20.1%
Median Age 39.6 years
Largest Racial or Ethnic Group White
Sources: Census 2010 SF1 & 2006-2010 American Community Survey 5 year estimates

Jefferson County Demographics Summary

population icon With 21,720 people, Jefferson County is the 26th most populated county in the state of Oregon out of 36 counties. But watch out, Jefferson County, because Crook County with 20,978 people and Baker County with 16,134 people are right behind you.

income icon In 2010, the median household income of Jefferson County residents was $41,425. Jefferson County households made slightly more than Sherman County households ($41,354) and Wallowa County households ($41,116) However, 20.1% of Jefferson County residents live in poverty.

age icon The median age for Jefferson County residents is 39.6 years young.

race icon The largest Jefferson County racial/ethinic groups are White (61.8%) followed by Hispanic (19.3%) and American Indian (15.5%).

Jefferson County Race / Ethnic Groups

Non-Hispanic Population
White 13,429
Black 117
American Indian 3,360
Asian 83
Pacific Islander 23
Some Other Race 34
Two or More Races 479
Hispanic 4,195
Source: Census 2010 SF1 Table P9 Hispanic or Latino or Not Hispanic or Latino by Race
  • White
  • Black
  • Indian
  • Asian
  • Pacific Islander
  • Some Other Race
  • Two or More Races
  • Hispanic

3 Largest Jefferson County Race / Ethnic Groups

  • The Jefferson County White population is 13,429 persons or 61.8%.
  • The Jefferson County Hispanic population is 4,195 persons or 19.3%.
  • The Jefferson County American Indian population is 3,360 persons or 15.5%.

Note: the US Census Bureau defines race and ethnicity differently from the way most people think about race and ethnicity. In a nutshell, a person's origin (or what used to be called ethnicity) is either Hispanic or Non-Hispanic. And a person's race can be white, black or African American, American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, Some Other Race or Two or More Races. For more details about race and origin data, google "US Census Bureau race and origin Census 2010."


Jefferson County Median Age

Fellas, you need to start eating your Wheaties™. Jefferson County ladies have a higher median age.

Median Age 39.6 years
Median Age - Females 40.1 years
Median Age - Males 39.1 years
Source: Census 2010 SF1 Table P13 Median Age by Male/Female

Under 18 and Over 65 Age Breakdown

With 25.3% of the Jefferson County population under 18, Jefferson County has more spring chickens than a KFC ® at dinner time.

Persons Under 18 25.3%
Persons Over 65 15.3%
Everyone else 59.4
Source: Census 2010 SF1 Table P12 Male/Female by Age
  • Under 18
  • Over 65
  • Everyone else

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