According to AP, about half of states allow someone else to drop off your ballot. There are some restrictions, though.
In most states, third parties are allowed to drop off completed ballots, but there may be restrictions. Some states only allow caregivers, family members, or household members to drop off ballots, while others allow anyone chosen by the voter to do so. Laws allowing ballot collection aim to make voting more convenient, but have been criticized for increasing the risk of voter fraud. Election security experts say that voter fraud is rare among all forms of voting, including by mail and at drop boxes.
Read more: AP News.