Winnebago County, IA Zip Codes
39 zip codes across 26 cities in Winnebago County, IA
About Winnebago County
Winnebago County, Iowa (IA) contains 39 unique zip codes spanning 26 cities and communities. Each zip code covers a different area within the county, with varying demographics, income levels, and housing markets.
Browse the complete list below to find detailed population, income, home values, cost of living, and climate data for any zip code in Winnebago County.
Cities in Winnebago County
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All Zip Codes in Winnebago County, IA
| Zip Code | City |
|---|---|
| 50424 | Buffalo Center |
| 50436 | Forest City |
| 50450 | Lake Mills |
| 50453 | Leland |
| 50465 | Rake |
| 50473 | Lake Mills |
| 50478 | Thompson |
| 54901 | Oshkosh |
| 54902 | Oshkosh |
| 54904 | Oshkosh |
| 54927 | Butte Des Morts |
| 54934 | Eureka |
| 54947 | Larsen |
| 54952 | Menasha |
| 54956 | Neenah |
| 54963 | Omro |
| 54964 | Pickett |
| 54980 | Waukau |
| 54985 | Winnebago |
| 54986 | Winneconne |
| 61016 | Cherry Valley |
| 61024 | Durand |
| 61063 | Pecatonica |
| 61072 | Rockton |
| 61073 | Roscoe |
| 61077 | Seward |
| 61080 | South Beloit |
| 61088 | Rockford |
| 61101 | Rockford |
| 61102 | Rockford |
| 61103 | Rockford |
| 61104 | Rockford |
| 61107 | Rockford |
| 61108 | Rockford |
| 61109 | Rockford |
| 61111 | Loves Park |
| 61112 | Rockford |
| 61114 | Rockford |
| 61115 | Loves Park |
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Frequently Asked Questions
How many zip codes are in Winnebago County, IA?
Winnebago County, IA has 39 zip codes across 26 cities.
What cities are in Winnebago County?
Cities in Winnebago County include Buffalo Center, Butte Des Morts, Cherry Valley, Durand, Eureka, Forest City, Lake Mills, Larsen, Leland, Loves Park, Menasha, Neenah, Omro, Oshkosh, Pecatonica, Pickett, Rake, Rockford, Rockton, Roscoe, Seward, South Beloit, Thompson, Waukau, Winnebago, Winneconne.
What state is Winnebago County in?
Winnebago County is located in Iowa (IA).
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.