Residential delivery area · Wisconsin
ZIP Code 54666: Warrens, WI
ZIP code 54666 uses the postal name Warrens, Wisconsin and lies mostly in Monroe County (45% of its land), reaching into Jackson County and Juneau County (Census 2020 ZIP-county file). About 2,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $78,015 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Warrens; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Warrens · its only residential ZIP
- County
- Monroe County (45%); Jackson County (44%); Juneau County (11%)
- Census places
- Warrens
- Micro area
- Sparta, WI
- House districts
- WI-7 (85%), WI-3 (15%) 119th Congress, by share of land
- State
- Wisconsin
- Time zone
- Central
- Land area
- 235.1 sq mi · 11 people per sq mi
Where is ZIP code 54666?
54666 centers on 44.170°, -90.450° and covers 235.1 square miles of land plus 10.3 of water. It borders 6 ZIP codes: 54660, 54466, 54618, 54413, 54615, 54656.
The map draws ZIP code areas only. For the streets inside 54666, 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 54666 compare with the rest of Monroe County?
| Measure | 54666 | In Monroe County | In WI |
|---|---|---|---|
| People (ACS 2020-2024) | 2,635 | 6th of 12 | 405th of 783 |
| Median household income | $78k | 2nd of 12 | 296th of 610 |
| Median home value | $221k | 4th of 11 | 391st of 612 |
Its median household income is higher than in 59% of U.S. residential ZIP codes, and it is denser than 18% 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 54666?
The 2020 Census counted 2,587 people in 54666; the ACS, which samples households over 2020-2024, estimates 2,635. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,635
- 2020 Census count
- 2,587
- Households
- 1,009
- Median age
- 45.8
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 54666?
Of the 2,635 people the ACS estimates in 54666, 19.9% are under 18 and 20.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.5%).
- Under 1819.9%
- 18 to 6459.8%
- 65 and older20.3%
- White, not Hispanic86.5%
- Other or two or more6.6%
- Hispanic or Latino4.7%
- Black, not Hispanic1.6%
- Asian, not Hispanic0.6%
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 54666 earn?
Median household income is $78,015 (ACS 2020-2024), the 2nd highest of the 12 ranked ZIP codes in Monroe County.
- Median household income
- $78,015±$8,642
- Income per person
- $40,884
- Below the poverty line
- 4.0%
- Unemployed (of the labor force)
- 2.8%
- Adults 25+ with a bachelor's degree
- 17.6%
- Adjusted gross income per tax return, 2022
- $74,5601,220 returns; wages 62% 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 54666?
- Median home value (owners' estimate)
- $220,500
- Median gross rent
- $1,125
- Homes owned by their occupants
- 78.4%
- Housing units
- 1,356
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 54666?
40 business establishments had a location in this ZIP code in 2023, 1 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction5
- Manufacturing5
- Accommodation and food services5
- Agriculture, forestry, fishing and hunting4
- Retail trade4
- Transportation and warehousing4
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 54666?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 54660 | Tomah | 16,124 | $61k | 13.1 mi |
| 54466 | Pittsville | 2,557 | $67k | 16.1 mi |
| 54618 | Camp Douglas | 2,333 | $73k | 16.4 mi |
| 54413 | Babcock | 219 | $65k | 17.1 mi |
| 54615 | Black River Falls | 11,315 | $67k | 17.9 mi |
| 54656 | Sparta | 18,160 | $72k | 21.5 mi |
| 54643 | Millston | 2 | – | 9.1 mi (near) |
| 54646 | Necedah | 3,770 | $60k | 18.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.