Oktoberfest home décor can be used to give the home a festive look during the Oktoberfest season. It can even be used later in October, but many people will switch decorations to Halloween after Oktoberfest passes.
In Louisiana, cultural celebrations are for all. One culture might promote something like Oktoberfest, but other cultures certainly join in. What is needed is an willingness to have an enjoyment of a festive gathering, large or small.
Indoor decorations for a home might be for a party, or a special dinner. It need not be elaborate, but it should be decorative.