Oshkosh, WI zip codes
Oshkosh, Wisconsin has 5 zip codes (3 residential, 2 PO box or single-organization). Most of it is in Winnebago County. Together these zip codes are home to about 82K people.
Zip codes
5
Population
82K
All zips combined
Largest zip
54901
37,294 residents
Income range
$62K–$93K
Median by zip