Benton County, Washington Population 2019

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

Population by Race

Race Population
White153,138
Some Other Race20,307
Two or More Races7,691
Asian4,845
Black or African American2,888
American Indian and Alaska Native1,487
Native Hawaiian and Other Pacific Islander173

Benton County, Washington Population Pyramid 2019

Benton County, Washington Median Age

35.6


Total

34.8


Male

36.4


Female

Benton County, Washington Adults

There are 139,465 adults, (26,138 of whom are seniors) in Benton County, Washington.

Benton County, Washington Age Dependency

68.1

Age Dependency Ratio

23.1

Old Age Dependency Ratio

45.1

Child Dependency Ratio

Benton County, Washington Sex Ratio

Female

95,091

49.91%

Male

95,438

50.09%

Benton County, Washington Households and Families

Benton County, Washington Renter vs Owner Occupied by Household Type

Benton County, Washington Household Types

Type Owner Renter
Married83.1%16.9%
All68.1%31.9%
Non Family52.4%47.6%
Female49.9%50.1%
Male45.9%54.1%

68.1%

Rate of Home Ownership

Type Count Average Size Owned
All70,3632.6868.1
Married37,4543.2783.1
Non Family21,8371.2552.4
Female7,7363.649.9
Male3,3363.3545.9

3.24

Average Family Size

2.68

Average Household Size

6.3%

Unmarried (Opposite Sex)

0.2%

Unmarried (Same Sex)

Benton County, Washington Education

Education Attained Count Percentage
Less Than 9th Grade6,5655.34%
9th to 12th Grade6,0634.94%
High School Graduate29,93724.37%
Some College30,62724.93%
Associates Degree12,81910.44%
Bachelors Degree22,88818.63%
Graduate Degree13,94611.35%

Benton County, Washington Educational Attainment by Race

Name Total High School Bachelors
White96,27891,13231,700
Hispanic18,27311,9262,095
Other Race9,6295,506825
Asian3,6423,0581,894
Multiple Races2,8282,444631
Black1,4411,291438
Native American955862204
Islander173143

The highest rate of high school graduation is among white people with a rate of 94.66%.

The highest rate of bachelors degrees is among asian people with a rate of 52.00%.

Name Average Male Female
Overall$40,689$53,069$29,589
Less Than High School$22,884$26,236$18,743
High School Grad$32,151$40,093$24,480
Some College$36,672$51,946$26,883
Bachelors Degree$61,893$83,078$42,110
Graduate Degree$73,203$93,700$59,840

$40,689

Average Earnings

$53,069

Average Male

$29,589

Average Female

Benton County, Washington Language

Benton County, Washington Language by Age

Benton County, Washington Language

79.71% of Benton County, Washington residents speak only English, while 20.29% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 15.43% of the population.

Benton County, Washington Poverty

Benton County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White135,10413,50710.00%
Hispanic39,4129,87825.06%
Other20,1355,04825.07%
Multiple7,5931,49519.69%
Black2,77559421.41%
Asian4,8454699.68%
Native1,4531399.57%
Islander17321.16%

13.43%

Overall Poverty Rate

11.88%

Male Poverty Rate

14.98%

Female Poverty Rate

Poverty in Benton County, Washington

The race most likely to be in poverty in Benton County, Washington is Other, with 25.07% below the poverty level.

The race least likely to be in poverty in Benton County, Washington is Islander, with 1.16% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.01%. Among those working part-time, it was 15.05%, and for those that did not work, the poverty rate was 18.72%.

Name Poverty
Less Than High School25.63%
High School12.62%
Some College9.44%
Bachelors or Greater3.96%
Name Poverty
Female Unemployed35.24%
Male Unemployed23.98%
Female Employed7.67%
Male Employed5.43%

Benton County, Washington Income

Benton County, Washington Income by Household Type

Name Median Mean
Households$63,001$80,929
Families$74,793$92,291
Married Families$88,321$105,659
Non Families$38,659$51,649

Benton County, Washington Marital Status

Benton County, Washington Marital Status

Marriage Rates

54.0%

Overall Marriage Rate

55.3%

Male Marriage Rate

52.7%

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

12,911

Number of Veterans

11,726

Male Veterans

1,185

Female Veterans

War Veterans
Vietnam5,115
First Gulf War2,571
Second Gulf War1,831
Korea812
World War II597

Benton County, Washington Veterans by Race

Name Veterans % of Total
White12,19410.50%
Hispanic4611.98%
2 or More3128.07%
Other1150.93%
Indian958.49%
Black925.22%
Asian721.88%
Hawaiian3117.92%

Benton County, Washington Veterans by Education

5.57%

Veteran Poverty Rate

27.57%

Veteran Disability Rate

Benton County, Washington Employment Status

62.7%

Labor Force Participation

58.8%

Employment Rate

6%

Unemployment Rate

Population of Cities in Benton County, Washington

City 2010 Census 2016 Estimated Growth Growth Rate
Kennewick739818045464738.75%
Richland4811154989687814.30%
West Richland1183314198236519.99%
Prosser571360403275.72%
Benton City303232762448.05%
  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