County · GEOID 55139
Winnebago County, WI ZIP codes
18 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Winnebago County (GEOID 55139). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 273,953 (18 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
ZIP/ZCTA overlap with Winnebago County
Population overlap
Share of each ZIP/ZCTA’s population located within Winnebago County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 54901100.0%
Directory county
- 54902100.0%
Directory county
- 5490499.9%
Directory county
- 549141.8%
- 549159.1%
- 549232.7%
- 54927100.0%
Directory county
- 5494023.3%
- 54947100.0%
Directory county
- 5495274.7%
Directory county
- 5495699.7%
Directory county
- 5496399.7%
Directory county
- 5496476.5%
Directory county
- 549714.7%
- 549793.9%
- 54980100.0%
Directory county
- 54985100.0%
Directory county
- 5498699.5%
Directory county
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Winnebago County
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 54901 | Oshkosh | Winnebago County | 36,999 | $61,734 |
| 54902 | Oshkosh | Winnebago County | 21,982 | $64,548 |
| 54904 | Oshkosh | Winnebago County | 22,428 | $95,813 |
| 54914 | Appleton | Outagamie County | 31,448 | $77,199 |
| 54915 | Appleton | Outagamie County | 44,269 | $83,814 |
| 54923 | Berlin | Green Lake County | 8,850 | $63,750 |
| 54927 | Butte Des Morts | Winnebago County | 530 | $126,012 |
| 54940 | Fremont | Waupaca County | 4,502 | $87,900 |
| 54947 | Larsen | Winnebago County | 2,180 | $96,429 |
| 54952 | Menasha | Winnebago County | 27,127 | $67,280 |
| 54956 | Neenah | Winnebago County | 46,658 | $81,386 |
| 54963 | Omro | Winnebago County | 7,203 | $76,987 |
| 54964 | Pickett | Winnebago County | 936 | $66,094 |
| 54971 | Ripon | Fond du Lac County | 10,783 | $65,914 |
| 54979 | Van Dyne | Fond du Lac County | 1,879 | $104,167 |
| 54980 | Waukau | Winnebago County | 247 | — |
| 54985 | Winnebago | Winnebago County | 593 | — |
| 54986 | Winneconne | Winnebago County | 5,339 | $90,479 |
USPS associates these ZIPs with Winnebago County
These codes list Winnebago County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 54903 | Oshkosh | Winnebago County | 611 | — |
| 54906 | Oshkosh | Winnebago County | — | — |
| 54934 | Eureka | Winnebago County | 322 | — |
| 54957 | Neenah | Winnebago County | 385 | — |