Where was The Straight Story filmed?

1999 film by David Lynch

The Straight Story (1999) was filmed in New Hampton, West Union, Pocahontas, Lansing, West Bend and Prairie du Chien, 6 places named in its German Wikipedia’s Entstehung section, in the United States. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data

Places per German Wikipedia's Entstehung section

German Wikipedia’s Entstehung section names 6 places. Each links to the sentence that says so.