Dorchester, IA ZIP codes

1 ZIP, including 52140 as primary city.

ACS population

469

Median household income

$89,722

Median home value

$216,700

ZIP share of this city

No overlap percents for this place — ZIP codes are listed from the city or county field.

ZIP	City	County	Population	Income
52140	Dorchester	Allamakee County	469	$89,722