Jefferson County, Oregon Population 2024

25,584

Jefferson County, Oregon's estimated 2024 population is 25,584 with a growth rate of 0.51% in the past year according to the most recent United States census data. Jefferson County, Oregon is the 25th largest county in Oregon. The 2010 population was 21,662 and has seen a growth of 18.11% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202926,2341300.5%
202826,1041300.5%
202725,9741300.5%
202625,8441300.51%
202525,7141300.51%
202425,5841300.51%
202325,4541300.51%
202225,3242190.87%
202125,1055242.13%
202024,581-66-0.27%
201924,6475622.33%
201824,0854561.93%
201723,6296072.64%
201623,0224822.14%
201522,5403401.53%
201422,2003311.51%
201321,869340.16%
201221,835830.38%
201121,752900.42%
201021,66200%
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%
19203,211-23,023-87.76%
2024 Growth Rate
0.51% (130)
County Website
Jefferson County
State
Oregon
County Seat
Madras
2020 Population
24,581
Area
1782 mi²
Density
14 people/mi²
Growth Since 2020
4.08% (1,003)
Founded
December 12, 1914

Population by Race

Race
Population
Percentage (of total)
White16,06865.16%
Native American3,23313.11%
Two or more races3,09312.54%
Other race1,9697.98%
Black or African American1760.71%
Asian970.39%
Native Hawaiian or Pacific Islander230.09%

White

Native American

Two or more races

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

Jefferson County, Oregon Population by Race

Jefferson County, Oregon Population Pyramid 2024

Jefferson County, Oregon Median Age

41.1

Total

40.6

Male

41.6

Female

Jefferson County, Oregon Adults

There are 18,986 adults, (4,798 of whom are seniors) in Jefferson County, Oregon.

Jefferson County, Oregon Age Dependency

73.8

Age Dependency Ratio

33.8

Old Age Dependency Ratio

40

Child Dependency Ratio

Jefferson County, Oregon Sex Ratio

Female11,97848.57%
Male12,68151.43%

Jefferson County, Oregon Population by Age

Jefferson County, Oregon Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,5912.7470.229.8
Married4,3803.2880.119.9
Non Family2,3231.360.739.3
Female1,0803.2154.745.3
Male8083.3264.135.9

3.18

Average Family Size

2.74

Average Household Size

70.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Jefferson County, Oregon Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,2157.12%
Associates Degree1,6809.85%
Bachelors Degree2,51214.72%
Graduate Degree1,1076.49%
High School Graduate4,98929.24%
Less Than 9th Grade8545.01%
Some College4,70327.57%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Jefferson County, Oregon Educational Attainment by Sex (over 25)

Jefferson County, Oregon Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White11,40210,4532,664
Hispanic2,5051,745331
Native American1,8641,581190
2+ Races1,7401,451442
Other Race937607221
Black877022
Asian818026
Islander23230

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 32.1%.

Jefferson County, Oregon Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$50,114$64,753$46,250
Graduate Degree$74,151$88,750$73,693
High School Graduate$34,550$37,336$31,144
Less Than 9th Grade$29,420$35,349$16,544
Overall$41,197$45,150$38,199
Some College$44,492$47,231$40,321

$41,197

Average Earnings

$45,150

Average Male

$38,199

Average Female

Jefferson County, Oregon Earnings by Educational Attainment

Jefferson County, Oregon Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Jefferson County, Oregon Language

84.01% of Jefferson County, Oregon residents speak only English, while 15.99% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 13.66% of the population.

Jefferson County, Oregon Language

Jefferson County, Oregon Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White13,4711,36710.15%
Native3,0681,04133.93%
Hispanic4,9833847.71%
Multiple3,0082979.87%
Other1,9441276.53%
Islander231565.22%
Black122119.02%

12.68%

Overall Poverty Rate

12.56%

Male Poverty Rate

12.8%

Female Poverty Rate

Poverty in Jefferson County, Oregon

The race most likely to be in poverty in Jefferson County, Oregon is Islander, with 65.22% below the poverty level.

The race least likely to be in poverty in Jefferson County, Oregon is Other, with 6.53% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.63%. Among those working part-time, it was 17.17%, and for those that did not work, the poverty rate was 19.27%.

Jefferson County, Oregon Poverty

rate

Rate
Poverty
Less Than 9th Grade19.7%
High School13.64%
Some College10.25%
Bachelors or Greater9.74%

Jefferson County, Oregon Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed50.46%
Female Unemployed24.32%
Female Employed9.07%
Male Employed6.6%

Jefferson County, Oregon Poverty Rate by Employment Status and Sex

Jefferson County, Oregon Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$76,301$94,540
Households$69,345$85,768
Married Families$84,887$-999,999,999
Non Families$41,750$54,950

mean

median

Income by Household Type

Jefferson County, Oregon Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.2%

Overall Marriage Rate

46.0%

Male Marriage Rate

50.6%

Female Marriage Rate

Jefferson County, Oregon Married by Age and Sex

male

female

Jefferson County, Oregon Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Jefferson County, Oregon Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Jefferson County, Oregon Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,523

Number of Veterans

1,411

Male Veterans

112

Female Veterans

War
Veterans
Vietnam611
First Gulf War285
Second Gulf War282
Korea107
World War II10

Jefferson County, Oregon Veterans by War

count

Age Group
Veterans
65 to 74479
75+320
55 to 64304
35 to 54245
18 to 34175

Jefferson County, Oregon Veterans by Age

count

Name
Veterans
% of Total
White1,2749.4%
2+ Races1266.52%
Native American934.31%
Hispanic812.6%
Islander1565.22%
Black1112.64%
Other Race40.35%

Jefferson County, Oregon Veterans by Race

Jefferson County, Oregon Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

10.33%

Veteran Poverty Rate

47.08%

Veteran Disability Rate

Jefferson County, Oregon Veterans by Education

LaborForceParticipation

55.4%

Labor Force Participation

51.5%

Employment Rate

7%

Unemployment Rate

Jefferson County, Oregon Employment by Age

LaborForceParticipation

Jefferson County, Oregon Employment by Race

LaborForceParticipation

Jefferson County, Oregon Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

58.6%

Born in Jefferson County, Oregon

93.24%

Native Born

6.76%

Foreign Born

3.77%

Non Citizen

2.99%

Naturalized

Place of Birth

93.24% of Jefferson County, Oregon residents were born in the United States, with 58.6% having been born in Oregon. 3.77% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Jefferson County, Oregon Place of Birth

Sources