Kittitas County, Washington Population 2024

46,191

Kittitas County, Washington's estimated 2024 population is 46,191 with a growth rate of 1.1% in the past year according to the most recent United States census data. Kittitas County, Washington is the 24th largest county in Washington. The 2010 population was 40,992 and has seen a growth of 12.68% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202948,6965011.04%
202848,1955011.05%
202747,6945011.06%
202647,1935011.07%
202546,6925011.08%
202446,1915011.1%
202345,6905011.11%
202245,1895011.12%
202144,688620.14%
202044,626-3,230-6.75%
201947,8565151.09%
201847,3411,1772.55%
201746,1641,2422.76%
201644,9221,8024.18%
201543,1205011.18%
201442,6197741.85%
201341,8452090.5%
201241,636750.18%
201141,5615691.39%
201040,992
199026,7251,8487.43%
198024,877-162-0.65%
197025,0394,57222.34%
196020,467-1,768-7.95%
195022,2352,0059.91%
194020,2302,07611.44%
193018,1544172.35%
192017,737-824-4.44%
191018,5618,85791.27%
19009,70492710.56%
18908,777-39,919-81.98%
showing: 31 rows
2024 Growth Rate
1.1% (501)
County Website
Kittitas County
County Seat
2010 Population
40,992
Area
2298 mi²
Density
20 people/mi²
Growth Since 2010
12.68% (5,199)
Founded
November 24, 1883

Kittitas County, Washington Population 2024

Population by Race

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Race
Population
Percentage (of total)
White37,13983.6%
Two or more races3,7918.53%
Other race2,1094.75%
Asian6111.38%
Black or African American4020.9%
Native American2200.5%
Native Hawaiian or Pacific Islander1520.34%
showing: 7 rows

White

Two or more races

Other race

Asian

Black or African American

Native American

Native Hawaiian or Pacific Islander

Kittitas County, Washington Population by Race

Kittitas County, Washington Population Pyramid 2024

Kittitas County, Washington Median Age

36.4

Total

35.5

Male

37.2

Female

Kittitas County, Washington Adults

There are 36,709 adults, (7,464 of whom are seniors) in Kittitas County, Washington.

Kittitas County, Washington Age Dependency

51.9

Age Dependency Ratio

25.5

Old Age Dependency Ratio

26.4

Child Dependency Ratio

Kittitas County, Washington Sex Ratio

Female22,03949.61%
Male22,38550.39%

Kittitas County, Washington Population by Age

Kittitas County, Washington Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All19,2502.261.538.5
Married9,0202.7783.816.2
Non Family7,9171.4138.361.7
Female1,5042.8252.547.5
Male8092.3557.742.3
showing: 5 rows

2.69

Average Family Size

2.2

Average Household Size

61.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Kittitas County, Washington Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Kittitas County, Washington Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 42.97%.

Kittitas County, Washington Educational Attainment by Race

All

Male

Female

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$50,159

Average Earnings

$58,546

Average Male

$43,221

Average Female

Kittitas County, Washington Earnings by Educational Attainment

Kittitas County, Washington Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Kittitas County, Washington Language

93.5% of Kittitas County, Washington residents speak only English, while 6.5% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.58% of the population.

Kittitas County, Washington Language

Kittitas County, Washington Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White34,3694,55013.24%
Multiple3,54886224.3%
Hispanic3,94572418.35%
Other1,94324412.56%
Black29621171.28%
Asian5308115.28%
Native1833720.22%
Islander12121.65%
showing: 8 rows

14.49%

Overall Poverty Rate

11.03%

Male Poverty Rate

17.98%

Female Poverty Rate

Poverty in Kittitas County, Washington

The race most likely to be in poverty in Kittitas County, Washington is Black, with 71.28% below the poverty level.

The race least likely to be in poverty in Kittitas County, Washington is Islander, with 1.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.24%. Among those working part-time, it was 27.41%, and for those that did not work, the poverty rate was 17.52%.

Kittitas County, Washington Poverty

rate

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Rate
Poverty
Less Than 9th Grade16.24%
Some College9.28%
High School8.53%
Bachelors or Greater5.17%
showing: 4 rows

Kittitas County, Washington Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed35.99%
Male Unemployed27.1%
Female Employed14.1%
Male Employed6.72%
showing: 4 rows

Kittitas County, Washington Poverty Rate by Employment Status and Sex

Kittitas County, Washington Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Kittitas County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.2%

Overall Marriage Rate

50.7%

Male Marriage Rate

47.6%

Female Marriage Rate

Kittitas County, Washington Married by Age and Sex

male

female

Kittitas County, Washington Marriage

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

Kittitas County, Washington Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Kittitas County, Washington Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,865

Number of Veterans

2,685

Male Veterans

180

Female Veterans

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Kittitas County, Washington Veterans by War

count

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Kittitas County, Washington Veterans by Age

count

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Kittitas County, Washington Veterans by Race

Kittitas County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.35%

Veteran Poverty Rate

31.01%

Veteran Disability Rate

Kittitas County, Washington Veterans by Education

LaborForceParticipation

62.5%

Labor Force Participation

58.7%

Employment Rate

5.9%

Unemployment Rate

Kittitas County, Washington Employment by Age

LaborForceParticipation

Kittitas County, Washington Employment by Race

LaborForceParticipation

Kittitas County, Washington Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

65.99%

Born in Kittitas County, Washington

96.62%

Native Born

3.38%

Foreign Born

1.71%

Non Citizen

1.67%

Naturalized

Place of Birth

96.62% of Kittitas County, Washington residents were born in the United States, with 65.99% having been born in Washington. 1.71% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Kittitas County, Washington Place of Birth

Sources