57353Iroquois, SD
Prospecting data for 57353: Iroquois, SD
Zip 57353 in Iroquois, South Dakota has about 170 homeowners. About under 100 have a connected mobile phone and under 100 of those are clear of the National Do Not Call Registry.
Absentee owners 57353
Data as of 2026-09
- Absentee ownersunder 100
- Mailable address100%under 100
- Connected mobile2%under 100
- Email on file12%under 100
- Mobile and DNC clear0%under 100
Rounded floors, not promises.
| Population | 890 |
|---|---|
| Housing units | 437 |
| Owner occupied | 89% of occupied homes |
| Renter occupied | 11% of occupied homes |
| Median household income | $61,000 |
| Median age | 36.5 |
| Built before 1970 | 58% of homes |
| Built 2000 or later | 21% of homes |
| Median mortgage payment | $1,190 a month |
| Time zone | CST |
| Area code | 605 |
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 57353 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Iroquois campaign.
Calling and texting reach about 31% with a connected mobile, but only 13% 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 52%. 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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