98611Castle Rock, WA
Prospecting data for 98611: Castle Rock, WA
Zip 98611 in Castle Rock, Washington has about 2,920 homeowners. About 660 have a connected mobile phone and 270 of those are clear of the National Do Not Call Registry.
Absentee owners 98611
Data as of 2026-09
- Absentee owners1,070
- Mailable address99%1,060
- Connected mobile9%under 100
- Email on file20%220
- Mobile and DNC clear4%under 100
Rounded floors, not promises.
| Population | 9,420 |
|---|---|
| Housing units | 3,700 |
| Owner occupied | 81% of occupied homes |
| Renter occupied | 19% of occupied homes |
| Median household income | $66,000 |
| Median age | 44.5 |
| Built before 1970 | 34% of homes |
| Built 2000 or later | 21% of homes |
| Median mortgage payment | $1,340 a month |
| Time zone | PST |
| Area code | 360 |
Census figures are rounded ACS 5-year estimates for the zip code tabulation area.
What this means for each channel
Direct mail reaches almost everyone: 99% of 98611 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Castle Rock campaign.
Calling and texting reach about 23% with a connected mobile, but only 9% once you remove numbers on the National Do Not Call Registry. Texting a cold list also needs prior express written consent under the TCPA, so the DNC-clear figure is a calling figure, not a texting figure. See cold calling laws by state.
Email reaches about 44%. Cold email to consumers is legal under CAN-SPAM with an opt-out and a physical address, but deliverability on purchased consumer email is poor; treat it as a supporting touch.
→Nearby
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