Benton County, Washington Population 2021

Benton County, Washington's estimated population is 210,598 with a growth rate of 1.50% in the past year according to the most recent United States census data. Benton County, Washington is the 11th largest county in Washington. The 2010 Population was 176,465 and has seen a growth of 19.34% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
2021210,5983,1041.50%
2020207,4943,1041.52%
2019204,3903,1041.54%
2018201,2863,0861.56%
2017198,2004,7062.43%
2016193,4943,2761.72%
2015190,2183,7292.00%
2014186,4892,1711.18%
2013184,3181,9451.07%
2012182,3731,9371.07%
2011180,4363,9712.25%
2010176,46563,90556.77%
1990112,5603,1162.85%
1980109,44441,90462.04%
197067,5405,4708.81%
196062,07010,70020.83%
195051,37039,317326.20%
194012,0531,10110.05%
193010,952490.45%
192010,9032,96637.37%
19107,9370.00%
2021 Growth Rate
1.50%
County Website
Founded
March 8, 1905
County Seat
2010 Population
176,465
Growth (since 2010)
19.34%
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Benton County, Washington Population Growth

Population by Race

Race Population Percentage
White162,24082.14%
Some Other Race17,6398.93%
Two or More Races7,7053.90%
Asian5,0692.57%
Black or African American3,1981.62%
American Indian and Alaska Native1,5260.77%
Native Hawaiian and Other Pacific Islander1410.07%
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Benton County, Washington Population by Race

Benton County, Washington Population Pyramid 2021

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Benton County, Washington Median Age

35.8


Total

35


Male

36.7


Female

Benton County, Washington Adults

There are 144,640 adults, (28,654 of whom are seniors) in Benton County, Washington.

Benton County, Washington Age Dependency

70.3

Age Dependency Ratio

24.7

Old Age Dependency Ratio

45.6

Child Dependency Ratio

Benton County, Washington Sex Ratio

Female

98,756

50.00%

Male

98,762

50.00%

Benton County, Washington Population by Age

Benton County, Washington Renter vs Owner Occupied by Household Type

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Benton County, Washington Household Types

Type Owner Renter
Married84.1%15.9%
All68.8%31.2%
Non Family53.3%46.7%
Female51.2%48.8%
Male45.5%54.5%

68.8%

Rate of Home Ownership

Benton County, Washington Households and Families

Type Count Average Size Owned
All72,1212.7268.8
Married37,7823.3384.1
Non Family22,7271.2953.3
Female7,9663.5651.2
Male3,6463.4445.5

3.26

Average Family Size

2.72

Average Household Size

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Benton County, Washington Households by Type

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Education Attained Count Percentage
Less Than 9th Grade6,6195.17%
9th to 12th Grade5,9614.66%
High School Graduate31,30124.46%
Some College31,52724.64%
Associates Degree12,99410.15%
Bachelors Degree24,20618.92%
Graduate Degree15,35212.00%
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Benton County, Washington Educational Attainment by Sex (over 25)

Benton County, Washington Educational Attainment by Race

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Name Total High School Bachelors
White98,65593,53533,760
Hispanic20,18413,8422,193
Other Race8,9485,347571
Asian3,8503,3332,120
Multiple Races3,0302,671963
Black1,8401,716387
Native American997873259
Islander107101

The highest rate of high school graduation is among white people with a rate of 94.81%.

The highest rate of bachelors degrees is among asian people with a rate of 55.06%.

Benton County, Washington Educational Attainment by Race

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Name Average Male Female
Overall$44,185$56,929$32,003
Less Than High School$25,413$27,416$21,917
High School Grad$32,722$41,778$24,354
Some College$40,812$58,562$30,296
Bachelors Degree$63,742$84,482$48,613
Graduate Degree$78,043$100,620$64,449

$44,185

Average Earnings

$56,929

Average Male

$32,003

Average Female

Benton County, Washington Earnings by Educational Attainment

Benton County, Washington Language by Age

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Benton County, Washington Language

79.04% of Benton County, Washington residents speak only English, while 20.96% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 16.07% of the population.

Benton County, Washington Language

Benton County, Washington Poverty by Race

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Name Total In Poverty Poverty Rate
White137,83611,0608.02%
Hispanic42,51710,51124.72%
Other17,5384,34524.77%
Multiple7,5751,23716.33%
Black3,04272423.80%
Asian5,0472725.39%
Native1,5091509.94%
Islander14121.42%

11.93%

Overall Poverty Rate

11.01%

Male Poverty Rate

12.85%

Female Poverty Rate

Poverty in Benton County, Washington

The race most likely to be in poverty in Benton County, Washington is Other, with 24.77% below the poverty level.

The race least likely to be in poverty in Benton County, Washington is Islander, with 1.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.97%. Among those working part-time, it was 13.05%, and for those that did not work, the poverty rate was 16.57%.

Benton County, Washington Poverty

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Name Poverty
Less Than High School22.97%
High School11.52%
Some College9.97%
Bachelors or Greater2.69%

Benton County, Washington Poverty Rate by Education

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Name Poverty
Female Unemployed30.21%
Male Unemployed21.17%
Female Employed7.05%
Male Employed5.02%

Benton County, Washington Poverty Rate by Employment Status and Sex

Benton County, Washington Income by Household Type

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Name Median Mean
Households$69,023$87,525
Families$81,215$100,085
Married Families$95,918$114,064
Non Families$42,569$55,334
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Income by Household Type

Benton County, Washington Marital Status

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Marriage Rates

52.7%

Overall Marriage Rate

53.5%

Male Marriage Rate

51.8%

Female Marriage Rate

Benton County, Washington Married by Age and Sex

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Benton County, Washington 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.

Benton County, Washington Marital Status by Race

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Benton County, Washington Marital Status

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12,844

Number of Veterans

11,464

Male Veterans

1,380

Female Veterans

War Veterans
Vietnam4,798
First Gulf War2,923
Second Gulf War2,301
Korea607
World War II407

Benton County, Washington Veterans by War

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Age Group Veterans
65 to 743,458
35 to 543,394
55 to 642,550
75+2,531
18 to 34911

Benton County, Washington Veterans by Age

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Name Veterans % of Total
White12,1029.94%
Hispanic4091.60%
2 or More2987.51%
Black1235.83%
Indian1089.52%
Other970.87%
Asian801.89%
Hawaiian3633.64%

Benton County, Washington Veterans by Race

Benton County, Washington Veterans by Education

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4.72%

Veteran Poverty Rate

29.39%

Veteran Disability Rate

Benton County, Washington Veterans by Education

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62.2%

Labor Force Participation

59%

Employment Rate

4.9%

Unemployment Rate

Benton County, Washington Employment by Age

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Benton County, Washington Employment by Race

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Benton County, Washington 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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52.75%

Born in Washington

89.30%

Native Born

10.70%

Foreign Born

6.58%

Non Citizen

4.12%

Naturalized

Place of Birth

89.30% of Benton County, Washington residents were born in the United States, with 52.75% having been born in Washington. 6.58% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Benton County, Washington 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