Creston vs Elk Point

Creston

name

  • A city, the county seat of Union County, Iowa, United States. 

  • A census-designated place in San Luis Obispo County, California, United States. 

Elk Point

name

  • A city, the county seat of Union County, South Dakota, United States. 

  • A town in east-central Alberta, Canada. 

How often have the words Creston and Elk Point occurred in a corpus of books? (source: Google Ngram Viewer )