78210San Antonio, TX
Prospecting data for 78210: San Antonio, TX
Zip 78210 in San Antonio, Texas has about 7,510 homeowners. About 2,160 have a connected mobile phone and 1,350 of those are clear of the National Do Not Call Registry.
Absentee owners 78210
Data as of 2026-09
- Absentee owners2,340
- Mailable address99%2,330
- Connected mobile8%190
- Email on file12%290
- Mobile and DNC clear4%under 100
Rounded floors, not promises.
| Population | 37,700 |
|---|---|
| Housing units | 14,200 |
| Owner occupied | 55% of occupied homes |
| Renter occupied | 45% of occupied homes |
| Median household income | $38,000 |
| Median age | 36.5 |
| Built before 1970 | 74% of homes |
| Built 2000 or later | 11% of homes |
| Median mortgage payment | $1,080 a month |
| Time zone | CST |
| Area code | 210 |
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 78210 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any San Antonio campaign.
Calling and texting reach about 29% with a connected mobile, but only 18% 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 45%. 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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