County ZIP codes · Wisconsin · FIPS 55001
Adams County, WI ZIP Codes
Adams County, Wisconsin has 15 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 14 residential and 1 for PO boxes or a single organization. 6 of the residential ones lie mainly in Adams County and 8 mainly in a neighboring county; 10 cross the county line. Median household income ranges from $48,782 in 53934 (Friendship) to $77,692 in 54930 (Coloma) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Adams 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 $55,515 and $71,083.
They carry 14 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 14 residential ZIP codes in Adams County
6 ZIP codes lie mainly in Adams County; 8 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 53965 | Wisconsin Dells | 10,818 | 64 | $67k | $227k | 56% |
| 54457 | Nekoosa | 8,183 | 59 | $71k | $178k | 42% |
| 53934 | Friendship | 4,520 | 37 | $49k | $166k | 100% |
| 53910 | Adams | 3,522 | 62 | $50k | $140k | 100% |
| 54613 | Arkdale | 2,174 | 30 | $52k | $172k | 100% |
| 53936 | Grand Marsh | 1,231 | 19 | $56k | $138k | 100% |
Partly in Adams County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 53952 | Oxford | 3,524 | 36 | $64k | $195k | 50% |
| 54943 | Hancock | 2,250 | 19 | $63k | $207k | 47% |
| 53920 | Briggsville | 599 | 105 | $69k | $244k | 44% |
| 54930 | Coloma | 1,840 | 20 | $78k | $194k | 41% |
| 54921 | Bancroft | 1,482 | 17 | $76k | $176k | 14% |
| 53964 | Westfield | 3,371 | 31 | $69k | $218k | 8% |
| 54966 | Plainfield | 2,202 | 27 | $67k | $156k | 7% |
| 54494 | Wisconsin Rapids | 27,696 | 221 | $73k | $182k | 3% |
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?
10 ZIP codes of Adams County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Adams | Elsewhere |
|---|---|---|
| 54494 | 3% | Wood County 57%; Portage County 40% |
| 53965 | 56% | Columbia County 21%; Sauk County 17%; Juneau County 6% |
| 54457 | 42% | Wood County 35%; Juneau County 23% |
| 53952 | 50% | Marquette County 50% |
| 53964 | 8% | Marquette County 90%; Waushara County 1% |
| 54943 | 47% | Waushara County 53% |
| 54966 | 7% | Waushara County 74%; Portage County 19% |
| 54930 | 41% | Waushara County 56%; Marquette County 3% |
| 54921 | 14% | Portage County 86% |
| 53920 | 44% | Marquette County 56% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 53927 | Dellwood |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Adams County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Adams County's ZIP codes use 4 prefixes: 539, 544, 546 and 549.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 539 | Madison, WI (SCF 535) | 8 | 51 |
| 544 | Green Bay, WI (SCF 541) | 2 | 86 |
| 546 | St Paul, MN (SCF 550) | 1 | 59 |
| 549 | Milwaukee, WI (SCF 530) | 4 | 66 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.