Benton County, Washington Population 2020

Benton County, Washington's estimated population is 198,453 with a growth rate of 2.48% in the past year according to the most recent United States census data. Benton County, Washington is the 10th largest county in Washington.

Year Population Growth Growth Rate
2018201,8773,4241.73%
2017198,4534,8012.48%
2016193,6523,3361.75%
2015190,3163,7742.02%
2014186,5422,1871.19%
2013184,3551,9641.08%
2012182,3911,9621.09%
2011180,4293,9642.25%
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%

How Many People Live in Benton County, Washington?

198,453

Benton County, Washington Population Growth

Population by Race

Race Population Percentage
White158,27981.52%
Some Other Race18,5549.56%
Two or More Races7,7223.98%
Asian4,9902.57%
Black or African American3,1431.62%
American Indian and Alaska Native1,3350.69%
Native Hawaiian and Other Pacific Islander1450.07%

Benton County, Washington Population Pyramid 2020

Benton County, Washington Median Age

35.7


Total

34.9


Male

36.6


Female

Benton County, Washington Adults

There are 142,116 adults, (27,443 of whom are seniors) in Benton County, Washington.

Benton County, Washington Age Dependency

69.3

Age Dependency Ratio

23.9

Old Age Dependency Ratio

45.4

Child Dependency Ratio

Benton County, Washington Sex Ratio

Female

97,029

49.97%

Male

97,139

50.03%

Benton County, Washington Households and Families

Benton County, Washington Renter vs Owner Occupied by Household Type

Benton County, Washington Household Types

Type Owner Renter
Married83.2%16.8%
All68.4%31.6%
Non Family52.7%47.3%
Female52.5%47.5%
Male43.9%56.1%

68.4%

Rate of Home Ownership

Type Count Average Size Owned
All70,9832.7168.4
Married37,4543.3383.2
Non Family22,6081.2752.7
Female7,6453.6752.5
Male3,2763.443.9

3.28

Average Family Size

2.71

Average Household Size

6.1%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Benton County, Washington Education

Education Attained Count Percentage
Less Than 9th Grade6,3815.09%
9th to 12th Grade5,9844.77%
High School Graduate30,43824.27%
Some College31,86325.41%
Associates Degree13,17610.51%
Bachelors Degree23,06018.39%
Graduate Degree14,50611.57%

Benton County, Washington Educational Attainment by Race

Name Total High School Bachelors
White97,53392,57432,127
Hispanic19,21312,7872,005
Other Race9,1355,488649
Asian3,7773,3222,047
Multiple Races2,9122,531748
Black1,6831,556543
Native American859798216
Islander125107

The highest rate of high school graduation is among white people with a rate of 94.92%.

The highest rate of bachelors degrees is among asian people with a rate of 54.20%.

Name Average Male Female
Overall$41,968$54,004$31,004
Less Than High School$24,223$27,060$20,861
High School Grad$32,803$40,400$24,717
Some College$38,342$52,466$28,994
Bachelors Degree$62,553$86,108$43,918
Graduate Degree$75,578$96,869$62,009

$41,968

Average Earnings

$54,004

Average Male

$31,004

Average Female

Benton County, Washington Language

Benton County, Washington Language by Age

Benton County, Washington Language

78.81% of Benton County, Washington residents speak only English, while 21.19% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 16.03% of the population.

Benton County, Washington Poverty

Benton County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White136,53112,3419.04%
Hispanic40,97510,54825.74%
Other18,3484,23523.08%
Multiple7,6221,54020.20%
Black3,00765021.62%
Asian4,9902505.01%
Native1,31313510.28%
Islander14510.69%

12.79%

Overall Poverty Rate

12.11%

Male Poverty Rate

13.46%

Female Poverty Rate

Poverty in Benton County, Washington

The race most likely to be in poverty in Benton County, Washington is Hispanic, with 25.74% below the poverty level.

The race least likely to be in poverty in Benton County, Washington is Islander, with 0.69% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.29%. Among those working part-time, it was 13.76%, and for those that did not work, the poverty rate was 17.47%.

Name Poverty
Less Than High School24.07%
High School12.24%
Some College10.01%
Bachelors or Greater3.37%

Benton County, Washington Income

Benton County, Washington Income by Household Type

Name Median Mean
Households$65,650$83,941
Families$77,426$96,648
Married Families$90,801$109,583
Non Families$40,170$52,540

Benton County, Washington Marital Status

Benton County, Washington Marital Status

Marriage Rates

52.9%

Overall Marriage Rate

53.9%

Male Marriage Rate

51.9%

Female Marriage Rate

Benton County, Washington Married by Age and Sex

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 45-54.

Benton County, Washington Marital Status by Race

Benton County, Washington Veterans

12,922

Number of Veterans

11,703

Male Veterans

1,219

Female Veterans

War Veterans
Vietnam4,996
First Gulf War2,704
Second Gulf War2,017
Korea741
World War II539
Name Veterans % of Total
White12,17610.20%
Hispanic3741.53%
2 or More2967.52%
Black1346.67%
Other1191.04%
Indian807.90%
Asian781.92%
Hawaiian3931.20%

$Benton County, Washington Veterans by Education

5.77%

Veteran Poverty Rate

28.60%

Veteran Disability Rate

Benton County, Washington Employment Status

62%

Labor Force Participation

58.6%

Employment Rate

5.2%

Unemployment Rate

Benton County, Washington Place of Birth

Origin of Non-Citizens

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

Origin of Naturalized Citizens

52.80%

Born in Washington

89.41%

Native Born

10.59%

Foreign Born

6.57%

Non Citizen

Place of Birth

89.41% of Benton County, Washington residents were born in the United States, with 52.80% having been born in Washington. 6.57% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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