Family Halloween Costumes: 6 DIY Themes for 3 to 6 People

Six DIY family Halloween costumes that grow from 3 to 6 people, with roles for babies, teens and grandparents, Dollar Tree costs and CPSC safety tips.
A group costume works when people recognize the theme before they see the details. So every guide here starts with the set, not the outfit: pick a theme where each person gets one strong signature piece, then build the rest from clothes you already own. You’ll find pairs, trios, families and work groups, sorted by how long the build takes and roughly what it costs. Test-wear everything together once, before the night.

Six DIY family Halloween costumes that grow from 3 to 6 people, with roles for babies, teens and grandparents, Dollar Tree costs and CPSC safety tips.

8 duo Halloween costumes for best friends and siblings, ranked by build time and Dollar Tree spend, with a fair split test so nobody gets the dull half.

Eight DIY trio Halloween costumes for three friends, each with build time, Dollar Tree cost and the role that takes the heaviest build.

Nine DIY group Halloween costumes sorted by group size, from 4 friends to office teams of 8+, with build time, Dollar Tree cost and one detail each.

Ten DIY couples Halloween costumes ranked by build time and budget, from 15-minute closet pairs to weekend builds, with materials and steps.