Castle Rock vs Kalama

A side-by-side comparison of Castle Rock and Kalama: population, income, housing, and more.

Castle Rock and Kalama are places in Washington. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Kalama has the higher population (2,996 vs 2,298 in Castle Rock). Kalama has the higher median household income ($103,438 vs $65,272 in Castle Rock). Kalama has the higher median home value ($428,000 vs $301,000 in Castle Rock).

Population, income & housing

	Castle Rock	Kalama
Population	2,298	2,996
Median age	31.1 yrs	52.0 yrs
Median household income	$65,272	$103,438
Median home value	$301,000	$428,000
Median gross rent	$1,326	—
Housing units	933	1,333
Homeownership rate	62.0%	63.3%
Bachelor's degree or higher	14.6%	18.8%
Unemployment rate	6.7%	1.7%

Trends (ACS 5-year, 2019–2023)

	Castle Rock	Kalama
Population	3,153 → 2,298 (-27.1%)	2,629 → 2,996 (+14.0%)
Median household income	$50,573 → $65,272 (+29.1%)	$62,969 → $103,438 (+64.3%)
Median home value	$165,400 → $301,000 (+82.0%)	$248,200 → $428,000 (+72.4%)
Median gross rent	$795 → $1,326 (+66.8%)	—

Castle Rock

Population

3,1532,298

Median household income

$50,573$65,272

Median home value

$165,400$301,000

Median gross rent

$795$1,326

Kalama

Population

2,6292,996

Median household income

$62,969$103,438

Median home value

$248,200$428,000

Age & race/ethnicity

Age distribution (share)

	Castle Rock	Kalama
Under 5	13.0%	6.3%
5 to 17	16.2%	13.5%
18 to 24	7.5%	3.9%
25 to 34	17.8%	11.6%
35 to 44	10.3%	7.2%
45 to 54	8.4%	11.4%
55 to 64	9.1%	23.7%
65 to 74	9.7%	11.8%
75 and over	8.0%	10.6%

Race & ethnicity (share)

	Castle Rock	Kalama
White (non-Hispanic)	81.4%	74.9%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	1.3%	0.4%
Asian	0.8%	0.0%
Native Hawaiian & Pacific Islander	5.7%	0.0%
Some other race	0.0%	0.0%
Two or more races	3.8%	11.7%
Hispanic or Latino	7.0%	12.9%

Educational attainment (age 25+)

Share of adults 25+

	Castle Rock	Kalama
No high school diploma	9.6%	7.5%
High school graduate	34.8%	24.0%
Some college or associate's	41.0%	49.8%
Bachelor's degree	9.7%	12.7%
Graduate or professional degree	4.9%	6.1%

Commute to work

How workers get to work (share)

	Castle Rock	Kalama
Drove alone	87.7%	90.0%
Carpooled	5.2%	2.9%
Public transit	0.0%	0.0%
Walked	0.0%	4.8%
Bicycle	0.0%	0.0%
Worked from home	7.1%	2.3%
Other means	0.0%	0.0%

Housing

Units in structure (share)

	Castle Rock	Kalama
1-unit, detached	73.1%	60.8%
1-unit, attached	0.0%	2.1%
2 to 4 units	9.6%	6.8%
5 to 19 units	2.3%	1.7%
20 or more units	9.5%	17.3%
Mobile home & other	5.5%	11.3%

Poverty & households

	Castle Rock	Kalama
Poverty rate	6.5%	11.8%
Average household size	2.61	2.29
Mean commute (minutes)	25	26
Median year structure built	1971	1999