Thurston County, Washington Population 2024

299,367

Thurston County, Washington's estimated 2024 population is 299,367 with a growth rate of 0.12% in the past year according to the most recent United States census data. Thurston County, Washington is the 6th largest county in Washington. The 2010 population was 253,011 and has seen a growth of 18.32% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029301,1873640.12%
2028300,8233640.12%
2027300,4593640.12%
2026300,0953640.12%
2025299,7313640.12%
2024299,3673640.12%
2023299,0033640.12%
2022298,6394430.15%
2021298,1962,1980.74%
2020295,9986,3372.19%
2019289,6613,9891.4%
2018285,6725,4171.93%
2017280,2556,4282.35%
2016273,8275,6522.11%
2015268,1753,1041.17%
2014265,0713,0951.18%
2013261,9763,3631.3%
2012258,6132,1740.85%
2011256,4393,4281.35%
2010253,01100%
1990161,23836,97429.75%
1980124,26447,37061.6%
197076,89421,84539.68%
196055,04910,16522.65%
195044,8847,59920.38%
194037,2855,93418.93%
193031,3518,98540.17%
192022,3664,78527.22%
191017,5817,65477.1%
19009,9272522.6%
18909,6756,405195.87%
18803,2701,02445.59%
18702,24673949.04%
18601,507-299,680-99.5%
2024 Growth Rate
0.12% (364)
County Website
Thurston County
County Seat
Olympia
2020 Population
295,998
Area
723 mi²
Density
414 people/mi²
Growth Since 2020
1.14% (3,369)
Founded
January 12, 1852

Population by Race

Race
Population
Percentage (of total)
White223,69576.02%
Two or more races32,15510.93%
Asian16,8945.74%
Black or African American9,2183.13%
Other race6,2592.13%
Native American3,1661.08%
Native Hawaiian or Pacific Islander2,8850.98%

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Thurston County, Washington Population by Race

Thurston County, Washington Population Pyramid 2024

Thurston County, Washington Median Age

39.5

Total

38.2

Male

41

Female

Thurston County, Washington Adults

There are 232,239 adults, (52,793 of whom are seniors) in Thurston County, Washington.

Thurston County, Washington Age Dependency

64

Age Dependency Ratio

29.4

Old Age Dependency Ratio

34.6

Child Dependency Ratio

Thurston County, Washington Sex Ratio

Female149,14850.68%
Male145,12449.32%

Thurston County, Washington Population by Age

Thurston County, Washington Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All115,6952.5167.332.7
Married59,0733.0882.217.8
Non Family39,6261.3450.449.6
Female11,6813.2652.347.7
Male5,3153.2760.139.9

3.01

Average Family Size

2.51

Average Household Size

67.3%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Thurston County, Washington Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade8,1133.89%
Associates Degree23,40711.22%
Bachelors Degree47,08422.57%
Graduate Degree28,86213.84%
High School Graduate45,82521.97%
Less Than 9th Grade3,7871.82%
Some College51,53724.7%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Thurston County, Washington Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White159,631153,22860,294
2+ Races15,63614,5205,301
Hispanic15,62113,2544,304
Asian12,33810,4444,891
Black6,2235,8031,692
Other Race3,9593,092937
Native American2,2091,941536
Islander1,9471,873315

The highest rate of high school graduation is among islander people with a rate of 96.2%.

The highest rate of bachelors degrees is among asian people with a rate of 39.64%.

Thurston County, Washington Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$62,792$77,504$51,008
Graduate Degree$88,107$97,547$81,092
High School Graduate$40,491$50,269$32,059
Less Than 9th Grade$35,970$43,455$23,903
Overall$54,595$61,754$45,978
Some College$48,917$58,547$40,887

$54,595

Average Earnings

$61,754

Average Male

$45,978

Average Female

Thurston County, Washington Earnings by Educational Attainment

Thurston County, Washington Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Thurston County, Washington Language

87.99% of Thurston County, Washington residents speak only English, while 12.01% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.65% of the population.

Thurston County, Washington Language

Thurston County, Washington Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White209,23018,2608.73%
Hispanic28,6863,16611.04%
Multiple31,5692,7988.86%
Asian16,7561,98911.87%
Black8,8831,17413.22%
Other6,12484413.78%
Native3,10563120.32%
Islander2,8432649.29%

9.35%

Overall Poverty Rate

8.42%

Male Poverty Rate

10.25%

Female Poverty Rate

Poverty in Thurston County, Washington

The race most likely to be in poverty in Thurston County, Washington is Native, with 20.32% below the poverty level.

The race least likely to be in poverty in Thurston County, Washington is White, with 8.73% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.32%. Among those working part-time, it was 12.6%, and for those that did not work, the poverty rate was 15.56%.

Thurston County, Washington Poverty

rate

Rate
Poverty
Less Than 9th Grade20.05%
High School10.25%
Some College8.4%
Bachelors or Greater4.94%

Thurston County, Washington Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed31.89%
Male Unemployed19.49%
Female Employed4.95%
Male Employed4.21%

Thurston County, Washington Poverty Rate by Employment Status and Sex

Thurston County, Washington Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$106,190$122,117
Households$88,895$105,913
Married Families$116,767$135,187
Non Families$53,707$67,892

mean

median

Income by Household Type

Thurston County, Washington Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

52.4%

Overall Marriage Rate

54.2%

Male Marriage Rate

50.6%

Female Marriage Rate

Thurston County, Washington Married by Age and Sex

male

female

Thurston 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 35-44.

Thurston County, Washington Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Thurston County, Washington Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

28,374

Number of Veterans

24,407

Male Veterans

3,967

Female Veterans

War
Veterans
Second Gulf War10,189
First Gulf War9,122
Vietnam8,537
Korea1,032
World War II348

Thurston County, Washington Veterans by War

count

Age Group
Veterans
35 to 548,611
65 to 746,099
55 to 645,400
75+5,079
18 to 343,185

Thurston County, Washington Veterans by Age

count

Name
Veterans
% of Total
White22,70312.7%
2+ Races1,8299.87%
Black1,81326.78%
Hispanic1,7209.57%
Asian1,1018.25%
Islander41320.67%
Other Race3938.81%
Native American1225.13%

Thurston County, Washington Veterans by Race

Thurston County, Washington Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.93%

Veteran Poverty Rate

28.87%

Veteran Disability Rate

Thurston County, Washington Veterans by Education

LaborForceParticipation

62%

Labor Force Participation

56.2%

Employment Rate

5.5%

Unemployment Rate

Thurston County, Washington Employment by Age

LaborForceParticipation

Thurston County, Washington Employment by Race

LaborForceParticipation

Thurston 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

45.88%

Born in Thurston County, Washington

91.62%

Native Born

8.38%

Foreign Born

3.43%

Non Citizen

4.95%

Naturalized

Place of Birth

91.62% of Thurston County, Washington residents were born in the United States, with 45.88% having been born in Washington. 3.43% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Thurston County, Washington Place of Birth

Sources