Where to Find and Catch Wimpod
From Pokemon Go Wiki
Wimpod are found and captured in Nest and Habitat locations.
Nests
Wimpod Nests are locations that consistently spawn Wimpod.
Habitats
Wimpod Habitats are spawn locations where Wimpod is likely to be encountered, but not guaranteed the way a Nest is.
Additional Tips and Information
Best Nests
If you know a really good nest or any of the nests above is really good, list them here: