Castle Rock vs Kelso

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

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

Kelso has the higher population (12,697 vs 2,298 in Castle Rock). Castle Rock has the higher median household income ($65,272 vs $59,462 in Kelso). Kelso has the higher median home value ($302,300 vs $301,000 in Castle Rock).

Population, income & housing

	Castle Rock	Kelso
Population	2,298	12,697
Median age	31.1 yrs	38.4 yrs
Median household income	$65,272	$59,462
Median home value	$301,000	$302,300
Median gross rent	$1,326	$1,131
Housing units	933	5,516
Homeownership rate	62.0%	54.8%
Bachelor's degree or higher	14.6%	11.8%
Unemployment rate	6.7%	5.0%

Trends (ACS 5-year, 2019–2023)

	Castle Rock	Kelso
Population	3,153 → 2,298 (-27.1%)	12,123 → 12,697 (+4.7%)
Median household income	$50,573 → $65,272 (+29.1%)	$39,044 → $59,462 (+52.3%)
Median home value	$165,400 → $301,000 (+82.0%)	$148,100 → $302,300 (+104.1%)
Median gross rent	$795 → $1,326 (+66.8%)	$833 → $1,131 (+35.8%)

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

Kelso

Population

12,12312,697

Median household income

$39,044$59,462

Median home value

$148,100$302,300

Median gross rent

$833$1,131

Age & race/ethnicity

Age distribution (share)

	Castle Rock	Kelso
Under 5	13.0%	5.2%
5 to 17	16.2%	15.0%
18 to 24	7.5%	8.5%
25 to 34	17.8%	17.5%
35 to 44	10.3%	12.2%
45 to 54	8.4%	11.3%
55 to 64	9.1%	15.7%
65 to 74	9.7%	7.1%
75 and over	8.0%	7.5%

Race & ethnicity (share)

	Castle Rock	Kelso
White (non-Hispanic)	81.4%	80.0%
Black or African American	0.0%	1.6%
American Indian & Alaska Native	1.3%	0.1%
Asian	0.8%	0.8%
Native Hawaiian & Pacific Islander	5.7%	0.3%
Some other race	0.0%	0.1%
Two or more races	3.8%	6.4%
Hispanic or Latino	7.0%	10.7%

Educational attainment (age 25+)

Share of adults 25+

	Castle Rock	Kelso
No high school diploma	9.6%	11.3%
High school graduate	34.8%	30.5%
Some college or associate's	41.0%	46.3%
Bachelor's degree	9.7%	9.3%
Graduate or professional degree	4.9%	2.5%

Commute to work

How workers get to work (share)

	Castle Rock	Kelso
Drove alone	87.7%	87.1%
Carpooled	5.2%	4.6%
Public transit	0.0%	0.2%
Walked	0.0%	1.2%
Bicycle	0.0%	0.6%
Worked from home	7.1%	6.1%
Other means	0.0%	0.1%

Housing

Units in structure (share)

	Castle Rock	Kelso
1-unit, detached	73.1%	64.6%
1-unit, attached	0.0%	2.9%
2 to 4 units	9.6%	15.5%
5 to 19 units	2.3%	7.3%
20 or more units	9.5%	4.8%
Mobile home & other	5.5%	4.9%

Poverty & households

	Castle Rock	Kelso
Poverty rate	6.5%	19.5%
Average household size	2.61	2.39
Mean commute (minutes)	25	21
Median year structure built	1971	1961