Residential delivery area · Wisconsin
ZIP Code 54521: Eagle River, WI
ZIP code 54521 uses the postal name Eagle River, Wisconsin and lies mostly in Vilas County (64% of its land), reaching into Oneida County and Forest County (Census 2020 ZIP-county file). About 8,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $74,071 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in Eagle River; 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Eagle River · its only residential ZIP
- County
- Vilas County (64%); Oneida County (30%); Forest County (5%)
- Census places
- Eagle River
- House district
- WI-7 119th Congress
- State
- Wisconsin
- Time zone
- Central
- Land area
- 188.4 sq mi · 45 people per sq mi
Where is ZIP code 54521?
54521 centers on 45.916°, -89.254° and covers 188.4 square miles of land plus 25.4 of water. It borders 9 ZIP codes: 54519, 54562, 54558, 54561, 54554, 54560, 54539, 54501, 54542.
The map draws ZIP code areas only. For the streets inside 54521, 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 54521 compare with the rest of Vilas County?
| Measure | 54521 | In Vilas County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 8,551 | 1st of 13 | 192nd of 783 |
| Median household income | $74k | 3rd of 9 | 352nd of 610 |
| Median home value | $305k | 4th of 9 | 155th of 612 |
Its median household income is higher than in 53% of U.S. residential ZIP codes, and it is denser than 40% 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 54521?
The 2020 Census counted 8,317 people in 54521; the ACS, which samples households over 2020-2024, estimates 8,551. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 8,551
- 2020 Census count
- 8,317
- Households
- 4,020
- Median age
- 55.7
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 54521?
Of the 8,551 people the ACS estimates in 54521, 14.9% are under 18 and 31.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (91.1%).
- Under 1814.9%
- 18 to 6453.9%
- 65 and older31.2%
- White, not Hispanic91.1%
- Other or two or more5.9%
- Hispanic or Latino2.3%
- Black, not Hispanic0.5%
- Asian, not Hispanic0.2%
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 54521 earn?
Median household income is $74,071 (ACS 2020-2024), the 3rd highest of the 9 ranked ZIP codes in Vilas County.
- Median household income
- $74,071
- Income per person
- $43,934
- Below the poverty line
- 9.0%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 29.5%
- Adjusted gross income per tax return, 2022
- $80,9434,480 returns; wages 49% 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 54521?
FHFA's house price index for 54521, built from repeat sales and appraisals of the same homes, rose 107% from 2015 to 2025 and rose 79% from 2020 to 2025, and moved +0.4% in 2025.
- Median home value (owners' estimate)
- $305,100
- Median gross rent
- $935
- Homes owned by their occupants
- 83.7%
- Housing units
- 7,684
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 54521?
424 business establishments had a location in this ZIP code in 2023, 4 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction74
- Accommodation and food services72
- Retail trade64
- Other services (except public administration)32
- Health care and social assistance30
- Professional, scientific, and technical services26
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 54521?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 54519 | Conover | 1,309 | $60k | 9.6 mi |
| 54562 | Three Lakes | 2,038 | $57k | 11.5 mi |
| 54558 | Saint Germain | 2,262 | $60k | 11.8 mi |
| 54561 | Star Lake | 55 | – | 13.4 mi |
| 54554 | Phelps | 1,148 | $64k | 13.5 mi |
| 54560 | Sayner | 561 | $62k | 16.6 mi |
| 54539 | Lake Tomahawk | 1,356 | $63k | 17.2 mi |
| 54501 | Rhinelander | 21,405 | $68k | 18.4 mi |
| 54542 | Long Lake | 702 | $47k | 24.5 mi |
| 54540 | Land O Lakes | 971 | $69k | 17.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.