Nine hole golf course are an endangered species, except in smaller towns where the quaint venues are the only game in the area.
Studies of golf operations suggest the most efficient set-ups cover 36 holes The additional maintenance equipment you need for 36 holes vs. 18 is negligible; a few additional workers is all you need. This assumes you can get enough green fees to keep both 18s busy. So, nine-hole operations fall on the wrong end of economies of scale.
Also, nine-hole tracks are often family operations. When the owners get ready to retire, the children often got enough of working at the course during high school and don’t want to take over. A 60-acre tract with rolling hills and trees can make a nice subdivision plot, and pave the way for nice retirement for the couple. Among municipal courses, most of the closures in southwest Illinois the past three years have been nine-hole operations. Too much work for too little revenue if larger venues exist in the area.