Kelso, Washington Population 2021

12,685
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Kelso is a city located in Washington. With a 2020 population of 12,685, it is the 77th largest city in Washington and the 2609th largest city in the United States. Kelso is currently growing at a rate of 1.07% annually and its population has increased by 6.37% since the most recent census, which recorded a population of 11,925 in 2010. Kelso reached it's highest population of 12,685 in 2021. Spanning over 9 miles, Kelso has a population density of 1,559 people per square mile.

The average household income in Kelso is $51,390 with a poverty rate of 23.66%. The median rental costs in recent years comes to $833 per month, and the median house value is $148,100. The median age in Kelso is 35.2 years, 34.6 years for males, and 35.9 years for females. For every 100 females there are 99.3 males.

Kelso Demographics

According to the most recent ACS, the racial composition of Kelso was:

  • White: 85.13%
  • Two or more races: 6.18%
  • Native American: 4.05%
  • Other race: 1.90%
  • Asian: 1.42%
  • Black or African American: 1.32%
  • Native Hawaiian or Pacific Islander: 0.01%
The current population of Kelso, Washington is 12,685, based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 12,283.The last official US Census in 2010 recorded the population at 11,925.

Kelso, Washington Population 2021

Population by Race

Race Population Percentage
White10,32085.13%
Two or More Races7496.18%
American Indian and Alaska Native4914.05%
Some Other Race2301.90%
Asian1721.42%
Black or African American1601.32%
Native Hawaiian and Other Pacific Islander10.01%
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Kelso Population by Race

Kelso Population Pyramid 2021

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Kelso Median Age

35.2


Total

34.6


Male

35.9


Female

Kelso Adults

There are 9,029 adults, (1,626 of whom are seniors) in Kelso.

Kelso Age Dependency

63.8

Age Dependency Ratio

22

Old Age Dependency Ratio

41.8

Child Dependency Ratio

Kelso Sex Ratio

Female

6,084

50.19%

Male

6,039

49.81%

Kelso Population by Age

Kelso Renter vs Owner Occupied by Household Type

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Kelso Household Types

Type Owner Renter
Married62.2%37.8%
Female54.7%45.3%
All49.9%50.1%
Male43.5%56.5%
Non Family36.6%63.4%

49.9%

Rate of Home Ownership

Kelso Households and Families

Type Count Average Size Owned
All4,5632.6549.9
Non Family1,7491.236.6
Married1,6813.4462.2
Female8503.6354.7
Male2833.9943.5

3.34

Average Family Size

2.65

Average Household Size

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Kelso Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4735.83%
9th to 12th Grade7729.52%
High School Graduate3,15238.88%
Some College2,17726.85%
Associates Degree7439.16%
Bachelors Degree5346.59%
Graduate Degree2563.16%
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Kelso Educational Attainment by Sex (over 25)

Kelso Educational Attainment by Race

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Name Total High School Bachelors
White6,7035,890715
Hispanic927529
Multiple Races35035015
Other Race20367
Native American14971
Black11111111
Asian1048049

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 47.12%.

Kelso Educational Attainment by Race

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Name Average Male Female
Overall$29,435$31,092$25,088
Less Than High School$30,458$31,968$21,397
High School Grad$24,085$30,066$19,236
Some College$27,112$26,946$27,697
Bachelors Degree$44,091$52,500$36,667
Graduate Degree$70,694$$68,500

$29,435

Average Earnings

$31,092

Average Male

$25,088

Average Female

Kelso Earnings by Educational Attainment

Kelso Language by Age

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Kelso Language

86.98% of Kelso residents speak only English, while 13.02% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.81% of the population.

Kelso Language

Kelso Poverty by Race

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Name Total In Poverty Poverty Rate
White9,1211,90820.92%
Hispanic2,02474036.56%
Native49137576.37%
Multiple70713018.39%
Other2303816.52%
Black1603823.75%
Islander11100.00%

23.66%

Overall Poverty Rate

22.21%

Male Poverty Rate

25.12%

Female Poverty Rate

Poverty in Kelso

The race most likely to be in poverty in Kelso is Islander, with 100.00% below the poverty level.

The race least likely to be in poverty in Kelso is Other, with 16.52% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.14%. Among those working part-time, it was 18.87%, and for those that did not work, the poverty rate was 30.77%.

Kelso Poverty

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Name Poverty
Less Than High School31.65%
High School20.21%
Some College17.81%
Bachelors or Greater4.30%

Kelso Poverty Rate by Education

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Name Poverty
Male Unemployed51.42%
Female Unemployed38.12%
Female Employed10.45%
Male Employed5.33%

Kelso Poverty Rate by Employment Status and Sex

Kelso Income by Household Type

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Name Median Mean
Households$39,044$51,390
Families$45,915$58,028
Married Families$63,518-
Non Families$26,273$36,001
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Income by Household Type

Kelso Marital Status

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Marriage Rates

38.4%

Overall Marriage Rate

39.5%

Male Marriage Rate

37.2%

Female Marriage Rate

Kelso Married by Age and Sex

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Kelso Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.

Kelso Marital Status by Race

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Kelso Marital Status

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1,000

Number of Veterans

928

Male Veterans

72

Female Veterans

War Veterans
Vietnam296
Second Gulf War272
First Gulf War89
Korea70
World War II42

Kelso Veterans by War

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Age Group Veterans
55 to 64307
18 to 34221
65 to 74201
75+168
35 to 54103

Kelso Veterans by Age

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Name Veterans % of Total
White90811.37%
Black5036.76%
Hispanic373.46%
2 or More317.21%
Indian117.38%

Kelso Veterans by Race

Kelso Veterans by Education

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7.40%

Veteran Poverty Rate

29.10%

Veteran Disability Rate

Kelso Veterans by Education

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53.7%

Labor Force Participation

49%

Employment Rate

8.6%

Unemployment Rate

Kelso Employment by Age

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Kelso Employment by Race

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Kelso 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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55.07%

Born in Washington

93.43%

Native Born

6.57%

Foreign Born

5.77%

Non Citizen

0.80%

Naturalized

Place of Birth

93.43% of Kelso residents were born in the United States, with 55.07% having been born in Washington. 5.77% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Kelso Place of Birth

Year Population Growth Annual Growth Rate
202112,6851341.07%
202012,5511341.08%
201912,4171341.09%
201812,2831581.30%
201712,1251571.31%
201611,9681591.35%
201511,809910.78%
201411,718-7-0.06%
201311,725-48-0.41%
201211,773-95-0.80%
201111,868-32-0.27%
201011,90050.00%
200011,895750.06%
199011,8206910.60%
198011,1298330.78%
197010,2961,9172.08%
19608,3791,0341.33%
19507,3455960.85%
19406,7494890.75%
19306,2600.00%

Kelso Population by Year