Why door knocking still works as a tactic
Launch library · evergreen read

Door knocking puts an organiser directly in front of someone in their own home, a setting where people tend to be more open and less guarded than in public, which allows for a genuine conversation rather than a passing, easily forgotten interaction on the street. That openness is genuinely hard to replicate elsewhere.
It also reaches people who might never attend a public meeting or respond to other forms of outreach, making it one of the more effective ways to engage residents who are otherwise disconnected from a campaign's usual communication channels entirely. Reaching the disconnected is often where the real value lies.
Though labour intensive compared to digital outreach, door knocking's personal quality, the fact that someone took the time to show up in person, tends to build trust more quickly than most other methods, which is why organisers keep returning to it despite the real effort involved. Effort, visibly given, is itself part of the message.