51301Spencer, IA
Prospecting data for 51301: Spencer, IA
Zip 51301 in Spencer, Iowa has about 3,680 homeowners. About 750 have a connected mobile phone and 240 of those are clear of the National Do Not Call Registry.
Absentee owners 51301
Data as of 2026-09
- Absentee owners510
- Mailable address99%500
- Connected mobile4%under 100
- Email on file7%under 100
- Mobile and DNC clear1%under 100
Rounded floors, not promises.
| Population | 12,200 |
|---|---|
| Housing units | 6,200 |
| Owner occupied | 65% of occupied homes |
| Renter occupied | 35% of occupied homes |
| Median household income | $48,000 |
| Median age | 43.9 |
| Built before 1970 | 57% of homes |
| Built 2000 or later | 10% of homes |
| Median mortgage payment | $1,100 a month |
| Time zone | CST |
| Area code | 712 |
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: 98% of 51301 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Spencer campaign.
Calling and texting reach about 20% with a connected mobile, but only 7% 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.
→Nearby
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