Castle Rock, Washington Population 2024

2,431

Castle Rock is a city located in Cowlitz County Washington. Castle Rock has a 2024 population of 2,431. Castle Rock is currently declining at a rate of -0.25% annually and its population has decreased by -0.98% since the most recent census, which recorded a population of 2,455 in 2020.

The average household income in Castle Rock is $71,447 with a poverty rate of 7.76%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Castle Rock is 29 years, 29 years for males, and 29 years for females.

Castle Rock Demographics

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

  • White: 89.52%
  • Native Hawaiian or Pacific Islander: 3.32%
  • Two or more races: 3.09%
  • Other race: 1.87%
  • Native American: 1.75%
  • Asian: 0.46%
  • Black or African American: 0%
Land Area (mi²)
2.1 sq mi
Density (mi²)
1,160.60/sq mi
Growth Since 2020
-0.98% (-24)
The current population of Castle Rock, Washington is 2,431 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 2,455.

Castle Rock, Washington Population 2024

Population by Race

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Race
Population
Percentage (of total)
White2,34989.52%
Native Hawaiian or Pacific Islander873.32%
Two or more races813.09%
Other race491.87%
Native American461.75%
Asian120.46%
Black or African American00%

White

Native Hawaiian or Pacific Islander

Two or more races

Other race

Native American

Asian

Black or African American

Castle Rock Population by Race

Castle Rock Population Pyramid 2024

Castle Rock Median Age

29

Total

29

Male

29

Female

Castle Rock Adults

There are 1,788 adults, (396 of whom are seniors) in Castle Rock.

Castle Rock Age Dependency

88.5

Age Dependency Ratio

28.4

Old Age Dependency Ratio

60.1

Child Dependency Ratio

Castle Rock Sex Ratio

Female1,45955.6%
Male1,16544.4%

Castle Rock Population by Age

Castle Rock Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All9412.7966.633.4
Married4493.7880.819.2
Non Family3331.115545
Female1113.6765.834.2
Male483.1316.783.3

3.57

Average Family Size

2.79

Average Household Size

66.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Castle Rock Households and Families

Male

Female

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Education Attained
Count
Percentage
9th to 12th Grade855.3%
Associates Degree22113.78%
Bachelors Degree1589.85%
Graduate Degree714.43%
High School Graduate56635.29%
Less Than 9th Grade332.06%
Some College47029.3%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Castle Rock Educational Attainment by Sex (over 25)

Castle Rock Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White1,4241,347209
Hispanic69329
Islander47470
Other Race4140
2+ Races36367
Native American20200
Asian844

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 asian people with a rate of 50%.

Castle Rock Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Bachelors Degree$73,487$56,250$73,947
Graduate Degree$48,162$48,897$42,500
High School Graduate$33,313$43,705$20,741
Less Than 9th Grade$90,096$0$0
Overall$39,313$48,235$29,453
Some College$33,622$0$27,750

$39,313

Average Earnings

$48,235

Average Male

$29,453

Average Female

Castle Rock Earnings by Educational Attainment

Castle Rock Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Castle Rock Language

95.73% of Castle Rock residents speak only English, while 4.27% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.15% of the population.

Castle Rock Language

Castle Rock Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2,2371978.81%
Other49510.2%
Hispanic15453.25%

7.76%

Overall Poverty Rate

4.29%

Male Poverty Rate

10.57%

Female Poverty Rate

Poverty in Castle Rock

The race most likely to be in poverty in Castle Rock is Other, with 10.2% below the poverty level.

The race least likely to be in poverty in Castle Rock is Hispanic, with 3.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.08%. Among those working part-time, it was 5.48%, and for those that did not work, the poverty rate was 17.41%.

Castle Rock Poverty

rate

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Rate
Poverty
High School12.01%
Some College10.27%
Bachelors or Greater6.11%
Less Than 9th Grade3.39%

Castle Rock Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed38.46%
Female Employed1.18%
Male Employed0%
Male Unemployed0%

Castle Rock Poverty Rate by Employment Status and Sex

Castle Rock Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Families$73,026$82,193
Households$63,750$71,447
Married Families$88,155$-999,999,999
Non Families$38,533$48,610

mean

median

Income by Household Type

Castle Rock Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.4%

Overall Marriage Rate

56.7%

Male Marriage Rate

47.5%

Female Marriage Rate

Castle Rock Married by Age and Sex

male

female

Castle Rock 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 45-54.

Castle Rock Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Castle Rock Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

159

Number of Veterans

159

Male Veterans

0

Female Veterans

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War
Veterans
Vietnam85
Second Gulf War31
First Gulf War16
Korea4
World War II0

Castle Rock Veterans by War

count

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Age Group
Veterans
65 to 7473
75+42
18 to 3421
55 to 6412
35 to 5411

Castle Rock Veterans by Age

count

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Name
Veterans
% of Total
White1388.46%
Islander2144.68%

Castle Rock Veterans by Race

Castle Rock Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.55%

Veteran Poverty Rate

20.13%

Veteran Disability Rate

Castle Rock Veterans by Education

LaborForceParticipation

51.5%

Labor Force Participation

47.9%

Employment Rate

7%

Unemployment Rate

Castle Rock Employment by Age

LaborForceParticipation

Castle Rock Employment by Race

LaborForceParticipation

Castle Rock 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

64.02%

Born in Castle Rock

98.17%

Native Born

1.83%

Foreign Born

0.88%

Non Citizen

0.95%

Naturalized

Place of Birth

98.17% of Castle Rock residents were born in the United States, with 64.02% having been born in Washington. 0.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Castle Rock Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20292,401-6-0.25%
20282,407-6-0.25%
20272,413-6-0.25%
20262,419-6-0.25%
20252,425-6-0.25%
20242,431-6-0.25%
20232,437-6-0.25%
20222,443-5-0.2%
20212,448-7-0.29%
20202,4551617.02%
20192,294341.5%
20182,260321.44%
20172,228281.27%
20162,200331.52%
20152,167391.83%
20142,128100.47%
20132,118110.52%
20122,107-19-0.89%
20112,126110.52%
20102,11500%

Castle Rock Population by Year