Of 64 counties in the Creole State, Allen Parish is 28th in terms of its size (765 square miles). Allen Parish is in Cajun Country Louisiana. Recent listings of ranches for sale in Allen Parish, Louisiana, totals 1,000 acres and a combined market value of nearly $3 million. The most common type of land for sale by combined acreage in Allen Parish is undeveloped land. Browse all Allen Parish ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg. The most common type of land for sale by combined acreage in Allen Parish is undeveloped land.