United States › Washington › Castle Rock CITY
Castle Rock Washington · 2,442 residents (2025 est.) · 2.10 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Castle Rock is home to 2,217 people in Washington. Four-year degrees are less common here than nationally, at 16% of adults. This skews young, with a median age of 33.9. The foreign-born share is 3%. That trails the Washington median by roughly 29%. Poverty is uncommon here, at 7.0% of people here.
At a glance
Lower income
below the US median
US median: $82,259
Younger
median age 33.9
US median: 38.9
Less educated
16% hold a bachelor's degree
US average: 36%
Less affordable
home values up 97%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 2,130 in 2000
2,442 in 2025 (Census Bureau estimate)
1,058 / sq mi
−5%since 2009
from 1,111 / sq mi in 2009
US average: 281
from 35.6 in 2000
US average: 38.9
Population, 1990 – 2024
2K 2K 3K 3K 3K 1990 2000 2010 2020 2024 Castle Rock Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $69,639
+3%inflation adjusted, since 2000
from $37,212 in 2000
US average: $82,259
from $15,661 in 2000
US average: $44,673
Households earning $100K+
from 21.7% in 2009
US average: 53.3%
from 17.3% in 2000
US average: 12.5%
from 0.416 in 2010
US average: 0.476
Workforce by industry, 2024
Education & health services 8.3%
Professional, scientific, technical 7.4%
Agriculture, forestry, fishing 1.6%
Arts, entertainment, food 0.7%
Transportation & warehousing 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$348,600
+97%inflation adjusted, since 2000
from $97,100 in 2000
US average: $376,019
$1,222
+29%inflation adjusted, since 2000
from $521 in 2000
US average: $1,442
from 62.9% in 2000
33.3% rent
from 9.6% in 2009
US average: 10.0%
from 2.66 people in 2009
US average: 2.54
from 25.9% in 2009
US average: 22.9%
from 48.2% in 2009
US average: 47.4%
from 3.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 92.3%(1,966)
Hispanic / Latino 3.3%(71)
2024
White, non-Hispanic 89.3%(1,979)
Hispanic / Latino 2.8%(63)
from 32 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 8 more ancestry groups with data from 8.3% in 2000
US average: 35.6%
High school or higher
from 78.8% in 2000
US average: 89.6%
from 3.4% in 2000
US average: 14.0%
Section 06
Commute & transportation from 16.8 min in 2000
US average: 26.5
from 82.7% in 2009
US average: 68.9%
from 12.3% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 1.2% in 2009
US average: 15.0%
from 2.8% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 4.2% in 2009
US average: 8.3%
Section 07
Work & employment from 8.1% in 2011
US average: 5.2%
from 55.5% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 64.9% in 2020
US average: 74.6%
from 16.5% in 2009
US average: 13.1%
from 31.8% in 2009
US average: 42.5%
Section 08
People & community from 2.7% in 2009
US average: 14.1%
from 15.7% in 2009
US average: 6.2%
from 22.1% in 2012
US average: 13.3%
from 20.5% in 2013
US average: 8.4%
from 81.0% in 2017
US average: 91.0%
Computer in household
from 96.6% in 2020
US average: 95.5%
from 82.6% in 2020
US average: 87.7%
from 96.8% in 2016
US average: 77.7%
from 1.7% in 2016
US average: 13.6%
Marital status
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 20.5% in 2013
US average: 8.4%
from 46.9% in 2020
US average: 54.8%
Direct-purchase
from 16.5% in 2020
US average: 13.8%
from 20.3% in 2020
US average: 18.4%
from 31.6% in 2020
US average: 20.9%
VA health care
from 4.1% in 2020
US average: 2.2%
Any private
from 61.8% in 2020
US average: 67.1%
Any public
from 48.3% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 20.8%(37)
Gulf War (1990s) 16.3%(29)
Share of the 178 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Drill deeper
Places similar to Castle Rock Head to head
Compare Castle Rock to nearby cities CASTLE ROCK VS
Longview
Income $61,747 −11%
Home value $361,600 +4%
Population 38,362 +1471%
SEE FULL COMPARISON →
CASTLE ROCK VS
Kelso
Income $66,751 −4%
Home value $337,600 −3%
Population 12,801 +424%
SEE FULL COMPARISON →
CASTLE ROCK VS
St. Helens
Income $82,865 +19%
Home value $394,200 +13%
Population 14,450 +492%
SEE FULL COMPARISON →
CASTLE ROCK VS
Centralia
Income $56,219 −19%
Home value $318,200 −9%
Population 19,375 +693%
SEE FULL COMPARISON →
Frequently asked
How many people live in Castle Rock, Washington? Castle Rock, Washington has about 2,217 residents according to the 2024 American Community Survey.
What is the median household income in Castle Rock, Washington? The typical household in Castle Rock, Washington earns about $69,639 a year. Half of households make more than that, and half make less.
Is Castle Rock, Washington expensive? In Castle Rock, Washington, the median home is worth about $348,600, and the typical rent is about $1,222 a month.
How educated are people in Castle Rock, Washington? About 15.8% of adults age 25 and over in Castle Rock, Washington hold a bachelor's degree or higher.
What is the poverty rate in Castle Rock, Washington? About 7.0% of people in Castle Rock, Washington live below the federal poverty line.
Has Castle Rock, Washington grown since 1990? Yes, Castle Rock, Washington has grown since 1990. The population has added about 150 residents, a change of about 7 percent over that period.
Keep going
Explore from here