Erie, PA, with a Canadian twist
I know Elwood City is meant to be based on Marc Brown's hometown of Erie.
Currently watching "Grandpa Dave's Old Country Farm," and the Canadian OUs are strong in this one. Repairing the "Hen hoase" is the theme of the episode. Dunno if Grandpa Dave's place is also meant to be in or near Erie, but the Canadianisms from the voice actors make me chuckle whenever I hear them in this show.