Benton County, Washington Population 2018

Benton County, Washington's estimated population is 198,171 with a growth rate of 5.68% 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
2017198,17110,6525.68%
2016187,519-5,965-3.08%
2016193,4843,3141.74%
2015190,1703,7312.00%
2014186,4392,0591.12%
2013184,3801,9891.09%
2012182,3911,9791.10%
2011180,4123,9522.24%
2010176,46063,90056.77%
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%

Benton County, Washington Population Growth

Population Data via

Population by Race

Race Population
White150,774
Some Other Race20,221
Two or More Races7,916
Asian4,391
Black or African American2,674
American Indian and Alaska Native1,342
Native Hawaiian and Other Pacific Islander201

Race Data via US Census (2016 ACS 5-Year Survey)

Benton County, Washington Population Pyramid 2018

0%2%4%6%8% Male Population0%2%4%6%8% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Benton County, Washington Median Age

35.5


Total

34.7


Male

36.2


Female

Benton County, Washington Adults

There are 137,264 adults, (25,128 of which are seniors) in Benton County, Washington.

Benton County, Washington Age Dependency

67.2

Age Dependency Ratio

22.4

Old Age Dependency Ratio

44.8

Child Dependency Ratio

Benton County, Washington Sex Ratio

Female

93,549

49.89%

Male

93,970

50.11%

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%
All68.4%31.6%
Non Family53%47%
Female48.7%51.3%
Male47.7%52.3%

68.4%

Rate of Home Ownership

Benton County, Washington Households by Type

Type Count Average Size Owned
All68,4182.7168.4
Married36,6853.383.1
Non Family21,1581.2353
Female7,5153.6848.7
Male3,0603.5547.7

3.29

Average Family Size

2.71

Average Household Size

5.9%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Benton County, Washington Households

Benton County, Washington Education

Benton County, Washington Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade6,4965.39%
9th to 12th Grade5,9794.96%
High School Graduate29,60824.59%
Some College30,02324.93%
Associates Degree12,90010.71%
Bachelors Degree22,10318.35%
Graduate Degree13,31811.06%

Benton County, Washington Educational Attainment by Race

Name Total High School Bachelors
White95,24490,38830,441
Hispanic17,34610,9581,976
Other Race9,4895,417854
Asian3,3702,7901,891
Multiple Races2,9922,529709
Black1,2141,025358
Native American913800150
Islander139121

The highest rate of high school graduation is among white people with a rate of 94.90%.

The highest rate of bachelors degrees is among white people with a rate of 56.11%.

Benton County, Washington Earnings by Educational Attainment

Name Average Male Female
Overall$39,429$52,233$29,070
Less Than High School$20,753$23,674$17,854
High School Grad$32,027$40,257$25,333
Some College$36,213$50,577$26,354
Bachelors Degree$60,760$80,745$42,037
Graduate Degree$70,402$94,589$54,851

$39,429

Average Earnings

$52,233

Average Male

$29,070

Average Female

Benton County, Washington Language

Benton County, Washington Language by Age

Benton County, Washington Language

80.28% of Benton County, Washington residents speak only English, while 19.72% speak other languages. The largest non-English language is Spanish, which is spoken by 15.00% of the population.

Benton County, Washington Poverty

Benton County, Washington Poverty by Race

Name Total In Poverty Poverty Rate
White134,12213,49010.06%
Hispanic37,78310,46027.68%
Other19,9545,48627.49%
Multiple7,8651,49619.02%
Black2,52355522.00%
Asian4,3914019.13%
Native1,3061128.58%
Islander20110.50%

13.89%

Overall Poverty Rate

12.37%

Male Poverty Rate

15.42%

Female Poverty Rate

Poverty in Benton County, Washington

The race most likely to be in poverty in Benton County, Washington is Hispanic, with 27.68% below the poverty level.

The race least likely to be in poverty in Benton County, Washington is Islander, with 0.50% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.10%. Among those working part-time, it was 16.52%, and for those that did not work, the poverty rate was 17.91%.

Benton County, Washington Poverty Rate by Education

Name Poverty
Less Than High School26.87%
High School13.12%
Some College8.71%
Bachelors or Greater3.97%

Benton County, Washington Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed35.57%
Male Unemployed23.47%
Female Employed8.20%
Male Employed5.98%

Benton County, Washington Income

Benton County, Washington Income by Household Type

Name Median Mean
Households$61,147$78,519
Families$72,482$89,483
Married Families$85,888$101,965
Non Families$37,167$50,337

Benton County, Washington Marital Status

Benton County, Washington Marital Status

Marriage Rates

53.7%

Overall Marriage Rate

55.4%

Male Marriage Rate

52.1%

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 55To64, while the female age group most likely to be married is 55To64.

Benton County, Washington Marital Status by Race

Benton County, Washington Veterans

Benton County, Washington Veterans by War

13,283

Number of Veterans

12,035

Male Veterans

1,248

Female Veterans

Name Veterans
Vietnam5,255
First Gulf War2,453
Second Gulf War1,743
Korea976
World War II646

Benton County, Washington Veterans by Age

Name Veterans
65 to 743,405
35 to 543,392
55 to 642,783
75+2,671
18 to 341,032

Benton County, Washington Veterans by Race

Name Veterans % of Total
White12,54010.95%
Hispanic5652.54%
2 or More2526.22%
Other2011.65%
Black18911.63%
Indian716.70%
Hawaiian2618.71%
Asian40.11%

Benton County, Washington Veterans by Education

4.84%

Veteran Poverty Rate

26.51%

Veteran Disability Rate

Benton County, Washington Employment Status

Benton County, Washington Employment by Age

63%

Labor Force Participation

58.8%

Employment Rate

6.5%

Unemployment Rate

Benton County, Washington Employment by Race

Benton County, Washington Employment by Education

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%
Data Sources
  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