Residential delivery area · Wisconsin
ZIP Code 54558: Saint Germain, WI
ZIP code 54558 uses the postal name Saint Germain, Wisconsin and lies mostly in Vilas County (76% of its land) with the rest in Oneida County (Census 2020 ZIP-county file). About 2,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $59,718 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Saint Germain · its only residential ZIP
- County
- Vilas County (76%); Oneida County (24%)
- House district
- WI-7 119th Congress
- State
- Wisconsin
- Time zone
- Central
- Land area
- 43.2 sq mi · 52 people per sq mi
Where is ZIP code 54558?
54558 centers on 45.925°, -89.499° and covers 43.2 square miles of land plus 8.2 of water. It borders 4 ZIP codes: 54560, 54568, 54539, 54521.
The map draws ZIP code areas only. For the streets inside 54558, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 54558 compare with the rest of Vilas County?
| Measure | 54558 | In Vilas County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 2,262 | 5th of 13 | 450th of 783 |
| Median household income | $60k | 7th of 9 | 558th of 610 |
| Median home value | $261k | 8th of 9 | 243rd of 612 |
Its median household income is higher than in 29% of U.S. residential ZIP codes, and it is denser than 43% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 54558?
The 2020 Census counted 2,215 people in 54558; the ACS, which samples households over 2020-2024, estimates 2,262. Between the 2010 and 2020 censuses its population grew 1.7% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,262±324 (90% margin)
- 2020 Census count
- 2,215+1.7% since 2010 (2,177)
- Households
- 1,252
- Median age
- 58.1
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 54558?
Of the 2,262 people the ACS estimates in 54558, 11.0% are under 18 and 33.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.7%).
- Under 1811.0%
- 18 to 6455.3%
- 65 and older33.7%
- White, not Hispanic94.7%
- Other or two or more2.3%
- Hispanic or Latino2.0%
- Black, not Hispanic0.6%
- Asian, not Hispanic0.4%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 54558 earn?
Median household income is $59,718 (ACS 2020-2024), the 7th highest of the 9 ranked ZIP codes in Vilas County. It is not measurably different from 2015-2019 ($55,580 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $59,718±$8,465
- Income per person
- $37,868
- Below the poverty line
- 10.5%
- Unemployed (of the labor force)
- 5.6%
- Adults 25+ with a bachelor's degree
- 24.6%
- Adjusted gross income per tax return, 2022
- $79,7411,230 returns; wages 42% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 54558?
FHFA's house price index for 54558, built from repeat sales and appraisals of the same homes, rose 94% from 2015 to 2025 and rose 65% from 2020 to 2025, and moved +6.2% in 2025.
- Median home value (owners' estimate)
- $261,000
- Median gross rent
- $897
- Homes owned by their occupants
- 80.2%
- Housing units
- 2,696
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 54558?
113 business establishments had a location in this ZIP code in 2023, 7 fewer than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services37
- Construction16
- Retail trade15
- Real estate and rental and leasing11
- Other services (except public administration)10
- Administrative and support and waste management and remediation services7
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 54558?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 54560 | Sayner | 561 | $62k | 8.1 mi |
| 54568 | Woodruff | 4,854 | $73k | 8.5 mi |
| 54539 | Lake Tomahawk | 1,356 | $63k | 8.8 mi |
| 54521 | Eagle River | 8,551 | $74k | 11.8 mi |
| 54561 | Star Lake | 55 | – | 10.5 mi (near) |
| 54512 | Boulder Junction | 1,461 | $75k | 13.8 mi (near) |
| 54519 | Conover | 1,309 | $60k | 14.4 mi (near) |
| 54548 | Minocqua | 5,676 | $70k | 16.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.