Benton County, Oregon Population 2021

Benton County, Oregon's estimated population is 94,275 with a growth rate of 0.65% in the past year according to the most recent United States census data. Benton County, Oregon is the 12th largest county in Oregon. The 2010 Population was 85,574 and has seen a growth of 10.17% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202194,2756110.65%
202093,6646110.66%
201993,0536110.66%
201892,4426520.71%
201791,7901,8722.08%
201689,9181,5851.79%
201588,3331,1181.28%
201487,2151,0481.22%
201386,167-511-0.59%
201286,6784120.48%
201186,2666920.81%
201085,57414,76320.85%
199070,8112,6003.81%
198068,21114,43526.84%
197053,77614,61137.31%
196039,1657,59524.06%
195031,57012,94169.47%
194018,6292,07412.53%
193016,5552,81120.45%
192013,7443,08128.89%
191010,6633,95759.01%
19006,706-1,944-22.47%
18908,6502,24735.09%
18806,4031,81939.68%
18704,5841,51049.12%
18603,0742,260277.64%
18508140.00%
2021 Growth Rate
0.65%
County Website
State
Founded
December 23, 1847
County Seat
2010 Population
85,574
Growth (since 2010)
10.17%
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Benton County, Oregon Population Growth

Population by Race

Race Population Percentage
White77,17784.71%
Asian6,5287.17%
Two or More Races3,9014.28%
Some Other Race1,6961.86%
Black or African American9821.08%
American Indian and Alaska Native6050.66%
Native Hawaiian and Other Pacific Islander2180.24%
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Benton County, Oregon Population by Race

Benton County, Oregon Population Pyramid 2021

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Benton County, Oregon Median Age

33


Total

31.3


Male

34.8


Female

Benton County, Oregon Adults

There are 76,193 adults, (14,145 of whom are seniors) in Benton County, Oregon.

Benton County, Oregon Age Dependency

46.8

Age Dependency Ratio

22.8

Old Age Dependency Ratio

24

Child Dependency Ratio

Benton County, Oregon Sex Ratio

Female

45,313

49.74%

Male

45,794

50.26%

Benton County, Oregon Population by Age

Benton County, Oregon Renter vs Owner Occupied by Household Type

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Benton County, Oregon Household Types

Type Owner Renter
Married79.5%20.5%
All57.2%42.8%
Female47.1%52.9%
Male44.4%55.6%
Non Family35.3%64.7%

57.2%

Rate of Home Ownership

Benton County, Oregon Households and Families

Type Count Average Size Owned
All35,7182.3957.2
Married16,7722.9379.5
Non Family15,1881.6335.3
Female2,5323.0347.1
Male1,2262.9644.4

2.86

Average Family Size

2.39

Average Household Size

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Benton County, Oregon Households by Type

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Education Attained Count Percentage
Less Than 9th Grade8821.59%
9th to 12th Grade1,3812.49%
High School Graduate7,33713.25%
Some College11,08520.02%
Associates Degree4,6988.49%
Bachelors Degree16,16829.21%
Graduate Degree13,80824.94%
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Benton County, Oregon Educational Attainment by Sex (over 25)

Benton County, Oregon Educational Attainment by Race

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Name Total High School Bachelors
White47,01545,65625,716
Hispanic3,1992,459996
Asian3,1893,0562,307
Multiple Races1,3471,238561
Other Race895719318
Black441435247
Native American355305142
Islander979150

The highest rate of high school graduation is among black people with a rate of 98.64%.

The highest rate of bachelors degrees is among asian people with a rate of 72.34%.

Benton County, Oregon Educational Attainment by Race

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Name Average Male Female
Overall$41,041$50,804$33,253
Less Than High School$29,663$30,964$24,784
High School Grad$30,762$38,455$22,950
Some College$31,765$39,583$28,252
Bachelors Degree$42,108$57,355$32,021
Graduate Degree$61,636$80,793$51,916

$41,041

Average Earnings

$50,804

Average Male

$33,253

Average Female

Benton County, Oregon Earnings by Educational Attainment

Benton County, Oregon Language by Age

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Benton County, Oregon Language

86.00% of Benton County, Oregon residents speak only English, while 14.00% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.39% of the population.

Benton County, Oregon Language

Benton County, Oregon Poverty by Race

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Name Total In Poverty Poverty Rate
White69,05610,99315.92%
Asian5,9302,49041.99%
Hispanic6,1571,65326.85%
Multiple3,44475421.89%
Other1,65354032.67%
Black91431734.68%
Native57813723.70%
Islander1782715.17%

19.09%

Overall Poverty Rate

19.58%

Male Poverty Rate

18.60%

Female Poverty Rate

Poverty in Benton County, Oregon

The race most likely to be in poverty in Benton County, Oregon is Asian, with 41.99% below the poverty level.

The race least likely to be in poverty in Benton County, Oregon is Islander, with 15.17% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.85%. Among those working part-time, it was 31.12%, and for those that did not work, the poverty rate was 25.45%.

Benton County, Oregon Poverty

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Name Poverty
Less Than High School22.05%
High School14.48%
Some College14.33%
Bachelors or Greater6.69%

Benton County, Oregon Poverty Rate by Education

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Name Poverty
Female Unemployed37.03%
Male Unemployed31.12%
Female Employed13.80%
Male Employed12.83%

Benton County, Oregon Poverty Rate by Employment Status and Sex

Benton County, Oregon Income by Household Type

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Name Median Mean
Households$62,077$84,074
Families$85,730$109,372
Married Families$95,906$120,882
Non Families$33,645$47,633
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Income by Household Type

Benton County, Oregon Marital Status

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Marriage Rates

44.7%

Overall Marriage Rate

45.2%

Male Marriage Rate

44.1%

Female Marriage Rate

Benton County, Oregon Married by Age and Sex

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Benton County, Oregon Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Benton County, Oregon Marital Status by Race

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Benton County, Oregon Marital Status

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5,254

Number of Veterans

4,708

Male Veterans

546

Female Veterans

War Veterans
Vietnam1,994
Second Gulf War959
First Gulf War754
Korea525
World War II163

Benton County, Oregon Veterans by War

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Age Group Veterans
65 to 741,453
75+1,447
35 to 54889
55 to 64883
18 to 34582

Benton County, Oregon Veterans by Age

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Name Veterans % of Total
White4,9477.60%
Hispanic1743.64%
2 or More1114.18%
Asian681.21%
Black485.93%
Other352.93%
Indian336.78%
Hawaiian125.80%

Benton County, Oregon Veterans by Race

Benton County, Oregon Veterans by Education

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8.97%

Veteran Poverty Rate

33.32%

Veteran Disability Rate

Benton County, Oregon Veterans by Education

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59.7%

Labor Force Participation

56.4%

Employment Rate

5.4%

Unemployment Rate

Benton County, Oregon Employment by Age

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Benton County, Oregon Employment by Race

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Benton County, Oregon Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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43.66%

Born in Oregon

90.20%

Native Born

9.80%

Foreign Born

7.01%

Non Citizen

2.79%

Naturalized

Place of Birth

90.20% of Benton County, Oregon residents were born in the United States, with 43.66% having been born in Oregon. 7.01% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Benton County, Oregon Place of Birth

  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

Sources