Lewis County, Washington Population 2021

Lewis County, Washington's estimated population is 82,983 with a growth rate of 1.39% in the past year according to the most recent United States census data. Lewis County, Washington is the 17th largest county in Washington. The 2010 Population was 75,502 and has seen a growth of 9.91% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202182,9831,1381.39%
202081,8451,1381.41%
201980,7071,1381.43%
201879,5691,2491.59%
201778,3201,6272.12%
201676,6931,2561.66%
201575,4375930.79%
201474,844-118-0.16%
201374,962-473-0.63%
201275,435-233-0.31%
201175,6681660.22%
201075,50216,14427.20%
199059,3583,3335.95%
198056,02510,55823.22%
197045,4673,6098.62%
196041,858-1,897-4.34%
195043,7552,3625.71%
194041,3931,3593.39%
193040,0343,1948.67%
192036,8404,71314.67%
191032,12716,970111.96%
190015,1573,65831.81%
189011,4998,899342.27%
18802,6001,712192.79%
1870888504131.25%
1860384-174-31.18%
18505580.00%
2021 Growth Rate
1.39%
County Website
Founded
December 19, 1845
County Seat
2010 Population
75,502
Growth (since 2010)
9.91%
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Lewis County, Washington Population Growth

Population by Race

Race Population Percentage
White70,25189.90%
Two or More Races4,1605.32%
Some Other Race1,6142.07%
Asian1,0241.31%
American Indian and Alaska Native5080.65%
Black or African American4140.53%
Native Hawaiian and Other Pacific Islander1740.22%
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Lewis County, Washington Population by Race

Lewis County, Washington Population Pyramid 2021

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Lewis County, Washington Median Age

43.1


Total

42.3


Male

43.9


Female

Lewis County, Washington Adults

There are 61,287 adults, (16,186 of whom are seniors) in Lewis County, Washington.

Lewis County, Washington Age Dependency

73.3

Age Dependency Ratio

35.9

Old Age Dependency Ratio

37.4

Child Dependency Ratio

Lewis County, Washington Sex Ratio

Female

39,062

49.99%

Male

39,083

50.01%

Lewis County, Washington Population by Age

Lewis County, Washington Renter vs Owner Occupied by Household Type

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Lewis County, Washington Household Types

Type Owner Renter
Married83.6%16.4%
All70.6%29.4%
Male62.2%37.8%
Non Family59.6%40.4%
Female49%51%

70.6%

Rate of Home Ownership

Lewis County, Washington Households and Families

Type Count Average Size Owned
All30,6182.5270.6
Married15,1963.1483.6
Non Family10,5811.2959.6
Female2,9163.3149
Male1,9253.1162.2

3.03

Average Family Size

2.52

Average Household Size

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Lewis County, Washington Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2,1933.95%
9th to 12th Grade4,7318.52%
High School Graduate16,15829.10%
Some College15,63828.17%
Associates Degree6,96012.54%
Bachelors Degree6,13211.04%
Graduate Degree3,7076.68%
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Lewis County, Washington Educational Attainment by Sex (over 25)

Lewis County, Washington Educational Attainment by Race

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Name Total High School Bachelors
White48,62743,9559,083
Hispanic3,7511,957261
Multiple Races2,3201,880246
Other Race82139055
Asian722604204
Native American32125923
Black25824230
Islander13910543

The highest rate of high school graduation is among black people with a rate of 93.80%.

The highest rate of bachelors degrees is among islander people with a rate of 30.94%.

Lewis County, Washington Educational Attainment by Race

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Name Average Male Female
Overall$35,759$42,649$28,740
Less Than High School$26,363$27,809$20,456
High School Grad$31,080$36,623$23,688
Some College$36,792$45,863$26,693
Bachelors Degree$43,881$59,511$35,878
Graduate Degree$66,448$70,492$64,890

$35,759

Average Earnings

$42,649

Average Male

$28,740

Average Female

Lewis County, Washington Earnings by Educational Attainment

Lewis County, Washington Language by Age

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Lewis County, Washington Language

91.03% of Lewis County, Washington residents speak only English, while 8.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.02% of the population.

Lewis County, Washington Language

Lewis County, Washington Poverty by Race

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Name Total In Poverty Poverty Rate
White64,4117,56911.75%
Hispanic7,7061,55820.22%
Multiple4,10164615.75%
Other1,51661040.24%
Native48715932.65%
Asian97515616.00%
Black33710731.75%

13.09%

Overall Poverty Rate

12.64%

Male Poverty Rate

13.54%

Female Poverty Rate

Poverty in Lewis County, Washington

The race most likely to be in poverty in Lewis County, Washington is Other, with 40.24% below the poverty level.

The race least likely to be in poverty in Lewis County, Washington is White, with 11.75% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.78%. Among those working part-time, it was 15.07%, and for those that did not work, the poverty rate was 18.87%.

Lewis County, Washington Poverty

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Name Poverty
Less Than High School20.43%
High School15.43%
Some College9.79%
Bachelors or Greater5.17%

Lewis County, Washington Poverty Rate by Education

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Name Poverty
Male Unemployed33.47%
Female Unemployed31.23%
Female Employed7.07%
Male Employed5.43%

Lewis County, Washington Poverty Rate by Employment Status and Sex

Lewis County, Washington Income by Household Type

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Name Median Mean
Households$53,484$67,876
Families$66,826$79,378
Married Families$76,324$89,094
Non Families$30,610$41,926
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Income by Household Type

Lewis County, Washington Marital Status

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Marriage Rates

51.1%

Overall Marriage Rate

51.0%

Male Marriage Rate

51.3%

Female Marriage Rate

Lewis County, Washington Married by Age and Sex

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Lewis 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.

Lewis County, Washington Marital Status by Race

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Lewis County, Washington Marital Status

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7,335

Number of Veterans

6,872

Male Veterans

463

Female Veterans

War Veterans
Vietnam3,448
First Gulf War1,251
Second Gulf War764
Korea463
World War II260

Lewis County, Washington Veterans by War

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Age Group Veterans
65 to 742,464
75+1,800
55 to 641,456
35 to 541,347
18 to 34268

Lewis County, Washington Veterans by Age

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Name Veterans % of Total
White6,91712.40%
2 or More2308.38%
Hispanic1713.66%
Asian9512.53%
Black4111.65%
Indian359.67%
Hawaiian1710.63%

Lewis County, Washington Veterans by Race

Lewis County, Washington Veterans by Education

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7.88%

Veteran Poverty Rate

40.74%

Veteran Disability Rate

Lewis County, Washington Veterans by Education

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53.4%

Labor Force Participation

49.5%

Employment Rate

7.1%

Unemployment Rate

Lewis County, Washington Employment by Age

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Lewis County, Washington Employment by Race

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Lewis 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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59.24%

Born in Washington

94.82%

Native Born

5.18%

Foreign Born

3.52%

Non Citizen

1.67%

Naturalized

Place of Birth

94.82% of Lewis County, Washington residents were born in the United States, with 59.24% having been born in Washington. 3.52% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Lewis 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