Home / Washington / Castle Rock

Cost of Living in Castle Rock, WA

Population: 2,298 | Washington

100
Cost of Living Index
US Average = 100

Castle Rock is 0% less expensive than the national average.

101
Housing
99
Home Values
99
Regional Price

Cost of Living in Castle Rock, WA: What You Need to Know

With a cost of living index of 100, Castle Rock, WA is right around the national average in cost. Living here is 0% cheaper than the national average and 20% below the Washington state average of 119. Castle Rock is a small community of 2,298 residents.

Housing costs are the biggest factor in Castle Rock's cost of living. The median monthly rent is $1,326 (1% above the US median of $1,319), and the median home value sits at $301,000 (1% below the national median of $304,900). At current prices, the median home costs roughly 4.6x the median household income — a stretch for many buyers, though not uncommon in today's market.

The median household income in Castle Rock is $65,272, which is 13% lower than the national median of $75,149. Residents spend roughly 24% of household income on rent. This is a comfortable ratio, well below the 30% threshold that financial experts recommend as a maximum.

Climate is another factor for anyone considering a move to Castle Rock. The area sees an average annual temperature of 53°F, with summers averaging 66°F and winters around 41°F. Annual rainfall totals 42.3 inches spread over roughly 166 days.

Everyday prices in the Longview-Kelso, WA (Metropolitan Statistical Area) metro area tend to run above the national average. Out of 6 common grocery and utility items tracked by the Bureau of Labor Statistics, 5 are priced higher than the US average. These real-world prices — from groceries to electricity — add up and should be factored into any cost of living comparison.

Data sources: US Census Bureau (ACS 2023), Zillow Home Values, HUD Fair Market Rents, BEA Regional Price Parities, BLS Average Prices, and NOAA Climate Normals. Updated monthly.

Income

Median Household Income
$65,272
vs US Median ($75,149)
-13%

Housing

Median Rent
$1,326/mo
Median Home Value
$301,000
Median Monthly Housing Cost
$1,348/mo

Everyday Prices in Castle Rock

BLS Average Prices for the Longview-Kelso, WA (Metropolitan Statistical Area) area

$3.22
Gasoline (regular)
per gallon
+5% vs US
🥚
$2.62
Eggs (grade A, large)
per dozen
+5% vs US
🥛
$4.22
Milk (whole)
per gallon
+5% vs US
🍞
$1.94
Bread (white)
per lb
+5% vs US
🍗
$4.35
Chicken breast
per lb
+5% vs US
$0.16
Electricity
per kWh
-17% vs US

Climate in Castle Rock

NOAA 30-year normals (1991-2020)

53°F
Avg Temperature
42.3"
Rainfall / Year
166d
Rainy Days / Year
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
High °F 47 51 56 61 68 73 81 82 76 64 53 46
Avg °F 40 43 47 51 57 62 68 68 63 53 45 40
Low °F 34 34 37 40 46 51 55 54 50 43 37 34
Rain" 6.5 4.6 4.5 3.1 2.5 1.4 0.5 0.5 1.6 3.6 6.3 7.3

Compare Castle Rock With