List of ZIP Codes in Winnebago County
The following table lists ZIP Codes associated with Winnebago County, Wisconsin, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.
| S.N. | Zip Code | Latitude | Longitude | City | Population | Density |
|---|---|---|---|---|---|---|
| 1 | 54901 | 44.06265 | -88.53335 | Oshkosh | 36,999 | 858.6 |
| 2 | 54902 | 43.94934 | -88.53969 | Oshkosh | 21,982 | 242.4 |
| 3 | 54904 | 44.02346 | -88.62592 | Oshkosh | 22,428 | 111.2 |
| 4 | 54927 | 44.10192 | -88.6548 | Butte Des Morts | 530 | 939.6 |
| 5 | 54940 | 44.22696 | -88.84446 | Fremont | 4,502 | 19.2 |
| 6 | 54947 | 44.20003 | -88.68995 | Larsen | 2,180 | 18.1 |
| 7 | 54956 | 44.18444 | -88.52778 | Neenah | 46,658 | 292.1 |
| 8 | 54963 | 44.04524 | -88.76661 | Omro | 7,203 | 36.5 |
| 9 | 54964 | 43.9178 | -88.71836 | Pickett | 936 | 10.5 |
| 10 | 54980 | 43.98625 | -88.76906 | Waukau | 247 | 273.6 |
| 11 | 54985 | 44.07562 | -88.51953 | Winnebago | 593 | 2548.1 |
| 12 | 54986 | 44.11981 | -88.75127 | Winneconne | 5,339 | 71.0 |
About Winnebago County ZIP Codes
Winnebago County in Wisconsin (WI) is served by approximately 12 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.
Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 149,597 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.
Many of the most significant population centers in Winnebago County are located in cities such as Oshkosh, Neenah, Omro, Winneconne, Fremont. These cities and towns help define the economic and demographic character of the county.
Most ZIP Codes in Winnebago County, Wisconsin follow the America/Chicago time zone.
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