Castle Rock Flag

Castle Rock

County:
Cowlitz County
County Seat:
No
Area (mi²):
2.095
State:
Washington

Castle Rock is a city located in Cowlitz County, Washington. Castle Rock has a 2026 population of 2,442. Castle Rock is currently declining at a rate of -0.04% annually and its population has decreased by -0.37% since the most recent census, which recorded a population of 2,451 in 2020.

The median household income in Castle Rock is $69,639 with a poverty rate of 7.04%. The median age in Castle Rock is 33.9 years: 40.6 years for males, and 32.2 years for females. For every 100 females there are 77.8 males.

2.4K
Total Population
1,166
Density (mi²)
-1 -0.04%
Growth

Castle Rock Population

Castle Rock Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,442-1-0.04%
20252,443-2-0.08%
20242,44530.12%
20232,44240.16%
20222,438-9-0.37%
20212,447-4-0.16%
20202,45120.08%
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%
20112,1261447.27%
20102,11520.09%

Median Age

Overall: 33.9 years
Female: 32.2 years
Male: 40.6 years

Castle Rock Adults

There are 1,661 adults, (430 of whom are seniors) in Castle Rock.

Sex Ratio

Female: 1,247 (56.2%)
Male: 970 (43.8%)

Demographics

The racial composition of Castle Rock includes 89.26% White, and smaller percentages for Native Hawaiian or Pacific Islander, other race, Asian, Native American, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,97989.26%
Two or more races773.47%
Native Hawaiian or Pacific Islander572.57%
Other race401.8%
Asian311.4%
Native American241.08%
Black or African American90.41%
Race
Population ↓
Percentage (of total)
Other race401.8%
Two or more races231.04%
Race
Population ↓
Percentage (of total)
White1,97989.26%
Native Hawaiian or Pacific Islander572.57%
Two or more races542.44%
Asian311.4%
Native American241.08%
Black or African American90.41%

Castle Rock Marital Status

Economics and Income Statistics

Castle Rock 's average per capita income is $46,438. Household income levels show a median of $69,639. The poverty rate stands at 7.04%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$105,909-
Families$75,870$88,769
Households$69,639$79,888
Non Families$42,583$60,199

$46,438

Average Income

$69,639

Median Household Income

7.04%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)