78664Round Rock, TX
Prospecting data for 78664: Round Rock, TX
Zip 78664 in Round Rock, Texas has about 11,100 homeowners. About 3,920 have a connected mobile phone and 1,640 of those are clear of the National Do Not Call Registry.
Absentee owners 78664
Data as of 2026-09
- Absentee owners2,960
- Mailable address97%2,880
- Connected mobile8%240
- Email on file8%250
- Mobile and DNC clear3%100
Rounded floors, not promises.
| Population | 64,700 |
|---|---|
| Housing units | 22,500 |
| Owner occupied | 55% of occupied homes |
| Renter occupied | 45% of occupied homes |
| Median household income | $76,000 |
| Median age | 33.6 |
| Built before 1970 | 3% of homes |
| Built 2000 or later | 38% of homes |
| Median mortgage payment | $1,630 a month |
| Time zone | CST |
| Area code | 512 |
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: 96% of 78664 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Round Rock campaign.
Calling and texting reach about 35% with a connected mobile, but only 15% 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 47%. 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.
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