21704Frederick, MD
Prospecting data for 21704: Frederick, MD
Zip 21704 in Frederick, Maryland has about 5,820 homeowners. About 1,750 have a connected mobile phone and 730 of those are clear of the National Do Not Call Registry.
Absentee owners 21704
Data as of 2026-09
- Absentee owners650
- Mailable address97%630
- Connected mobile7%under 100
- Email on file11%under 100
- Mobile and DNC clear3%under 100
Rounded floors, not promises.
| Population | 16,900 |
|---|---|
| Housing units | 5,360 |
| Owner occupied | 85% of occupied homes |
| Renter occupied | 15% of occupied homes |
| Median household income | $149,000 |
| Median age | 37.9 |
| Built before 1970 | 15% of homes |
| Built 2000 or later | 67% of homes |
| Median mortgage payment | $2,920 a month |
| Time zone | EST |
| Area code | 301 |
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 21704 homeowners have a deliverable mailing address. Mail is the only channel with no consent requirement, so it is the floor of any Frederick campaign.
Calling and texting reach about 30% 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 43%. 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
MetroWashington, DC CountyFrederick MDHomeownersMDAbsentee owners 21701Frederick21702Frederick21703Frederick21710Adamstown21716Brunswick21727Emmitsburg21754Ijamsville21755Jefferson21757Keymar21758Knoxville21769Middletown21770Monrovia21771Mount Airy21773Myersville21774New Market21777Point Of Rocks21778Rocky Ridge21780Sabillasville21788Thurmont21793Walkersville21798Woodsboro
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