County ZIP codes · Wisconsin · FIPS 55137
Waushara County, WI ZIP Codes
Waushara County, Wisconsin has 16 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 15 residential and 1 for PO boxes or a single organization. 10 of the residential ones lie mainly in Waushara County and 5 mainly in a neighboring county; 13 cross the county line. Median household income ranges from $60,625 in 54965 (Pine River) to $90,813 in 54940 (Fremont) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Waushara County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $64,201 and $71,094.
They carry 15 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 15 residential ZIP codes in Waushara County
10 ZIP codes lie mainly in Waushara County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 54923 | Berlin | 8,793 | 65 | $66k | $189k | 48% |
| 54982 | Wautoma | 6,958 | 54 | $64k | $203k | 98% |
| 54940 | Fremont | 4,533 | 50 | $91k | $307k | 31% |
| 54970 | Redgranite | 3,845 | 84 | $64k | $160k | 100% |
| 54984 | Wild Rose | 3,394 | 43 | $64k | $216k | 97% |
| 54943 | Hancock | 2,250 | 19 | $63k | $207k | 53% |
| 54966 | Plainfield | 2,202 | 27 | $67k | $156k | 74% |
| 54930 | Coloma | 1,840 | 20 | $78k | $194k | 56% |
| 54965 | Pine River | 1,212 | 20 | $61k | $198k | 99% |
| 54967 | Poy Sippi | 497 | 221 | $52k | $188k | 100% |
Partly in Waushara County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 54960 | Neshkoro | 2,997 | 29 | $67k | $234k | 19% |
| 54909 | Almond | 1,982 | 21 | $80k | $196k | 18% |
| 54983 | Weyauwega | 4,144 | 50 | $71k | $230k | 7% |
| 54981 | Waupaca | 14,870 | 113 | $73k | $219k | 4% |
| 53964 | Westfield | 3,371 | 31 | $69k | $218k | 1% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
13 ZIP codes of Waushara County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Waushara | Elsewhere |
|---|---|---|
| 54981 | 4% | Waupaca County 91%; Portage County 5% |
| 54923 | 48% | Green Lake County 43%; Winnebago County 8% |
| 54982 | 98% | Marquette County 2% |
| 54940 | 31% | Waupaca County 30%; Winnebago County 30%; Outagamie County 10% |
| 54983 | 7% | Waupaca County 93% |
| 54984 | 97% | Portage County 3% |
| 53964 | 1% | Marquette County 90%; Adams County 8% |
| 54960 | 19% | Marquette County 62%; Green Lake County 19% |
| 54943 | 53% | Adams County 47% |
| 54966 | 74% | Portage County 19%; Adams County 7% |
| 54909 | 18% | Portage County 82% |
| 54930 | 56% | Adams County 41%; Marquette County 3% |
| 54965 | 99% | Waupaca County 1% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 54976 | Saxeville |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Waushara County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Waushara County's ZIP codes use 2 prefixes: 539 and 549.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.