HomeWashingtonCowlitz CountyCastle Rock
Castle Rock, Washington: commercial real estate data.
Castle Rock is a Census city of 2,217 people across 2.09 square miles of land, in Cowlitz County. Median household income is $69,639, 66.7 percent of occupied homes are owned, and the SBA record carries 8 7(a) approvals to borrowers here worth $6.2 m since FY2020.
Underlined figures are computed by MMCG Analytics, not published by the agency.
Castle Rock
What Castle Rock is
- Census place typecity
- Land area2.09 sq mi
- Water area0.23 sq mi
- Population per square mile of land1,058
- County holding the largest share of its areaCowlitz County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Rock
How many people live in Castle Rock
- Population2,217
- Median age33.9 plus or minus 10.5
- Population under 18556 plus or minus 141
- Share under 1825.1 percent
- Population 65 and over430 plus or minus 140
- Share 65 and over19.4 percent plus or minus 5.2
- Households871
- Family households516 plus or minus 130
- Share of households that are families59.2 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Rock
Income and work in Castle Rock
- Median household income$69,639
- Per capita income$31,840
- Civilian labor force922 plus or minus 193
- Employed852 plus or minus 179
- Unemployed70 plus or minus 61
- Unemployment rate7.6 percent plus or minus 6.4
- Adults 25 and over1,459
- Adults 25 and over with a high school diploma or higher88.2 percent plus or minus 22.6
- Adults 25 and over with a bachelor degree or higher15.8 percent plus or minus 5.3
- Adults 25 and over with a graduate degree4.9 percent plus or minus 3.0
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Rock
Housing in Castle Rock
- Housing units907
- Occupied units871
- Vacant units36 plus or minus 38
- Vacancy rate4.0 percent plus or minus 4.1
- Owner occupied581 plus or minus 143
- Renter occupied290 plus or minus 100
- Ownership rate66.7 percent
- Median owner-occupied home value$348,600
- Median gross rent, monthly$1,222
- Annual rent as a share of median income21.1 percent plus or minus 5.0
- Single family units703 plus or minus 156
- Share single family77.5 percent
- Units in buildings of two or more157 plus or minus 69
- Share in buildings of two or more17.3 percent plus or minus 7.0
- Mobile homes47 plus or minus 33
- Median year structure built1970
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Rock
How Castle Rock gets to work
- Workers 16 and over who commute773 plus or minus 175
- Commuting under 15 minutes182 plus or minus 86
- Share commuting under 15 minutes23.5 percent plus or minus 9.7
- Commuting 30 minutes or more269 plus or minus 98
- Share commuting 30 minutes or more34.8 percent plus or minus 10.0
- Drove alone74.5 percent
- Carpooled17.7 percent plus or minus 9.7
- Public transport0.0 percent
- Walked0.5 percent plus or minus 0.8
- Worked from home7.3 percent plus or minus 4.1
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Castle Rock
SBA loans in Castle Rock (7(a))
- Approvals8
- Gross approval$6,227,200
- Average approval$778,400
- Median approval$150,500
- Largest approval$3,725,000
- Jobs supported84
- Jobs per approval10.5
- Loans with a final outcome2
- Paid in full2
- Charged off0
- Median term120 months
- Share on real estate terms of 20 years or more25.0 percent
- Share to franchises0.0 percent
- Distinct lenders6
- Distinct industries by NAICS7
Counted by borrower city: approvals to borrowers whose address is in Castle Rock, in any county, FY2020 to FY2026. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 7(a) FOIA release, FY2020 to FY2026 year to date, as of 2026-06-30.
Castle Rock
SBA loans in Castle Rock (504)
- Approvals2
- Gross approval$2,474,000
- Average approval$1,237,000
- Median approval$1,237,000
- Largest approval$1,673,000
- Jobs supported63
- Loans with a final outcome2
- Charged off0
- Median term240 months
- Distinct CDCs2
Counted by borrower city: approvals to borrowers whose address is in Castle Rock, in any county, FY2010 to FY2026. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published.
US Small Business Administration, 504 FOIA release, FY2010 to FY2026 year to date, as of 2026-06-30.
Castle Rock
Flood risk in Castle Rock
- NFIP communityCity of Castle Rock
- NFIP community number530277
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date12/16/15
The City of Castle Rock participates in the National Flood Insurance Program as community 530277 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
Cowlitz County, not Castle Rock
Cowlitz County context, not Castle Rock figures
- Establishments in Cowlitz County2,309
- Covered employment, Cowlitz County41,235
- Average annual pay, Cowlitz County$67,600
- Housing units permitted, Cowlitz County353
Every figure in this section is published for Cowlitz County as a whole and is not a measurement of Castle Rock.
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
Castle Rock questions, answered from the record.
How many people live in Castle Rock, Washington?
2,217, in 871 households. Castle Rock city covers 2.09 square miles of land, which is 1,058 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is Castle Rock in?
Cowlitz County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in Castle Rock?
$69,639. The median owner-occupied home is valued at $348,600. Median gross rent is $1,222 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
How much SBA lending goes to Castle Rock businesses?
8 7(a) approvals totaling $6.2 m since FY2020, across 6 lenders, median approval $150,500, plus 2 504 approvals worth $2.5 m since FY2010. These count approvals to borrowers whose address is in Castle Rock, not projects sited inside the place boundary, and they are approvals recorded in the release rather than loans disbursed.
Do SBA loans to Castle Rock borrowers get paid back?
No rate is published for Castle Rock. Only 2 loans have reached a final outcome, fewer than the 30 a charge-off rate needs, so no rate is published. The counts are shown instead.
Is Castle Rock in the National Flood Insurance Program?
Yes. Castle Rock appears in the FEMA Community Status Book as Castle Rock, city of, community 530277, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page Castle Rock figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for Cowlitz County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of Castle Rock.
Is zoning published for Castle Rock?
No. Nothing on this page presents parcel level zoning.
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