Marathon County · Wisconsin
ZIP code 54421
- Population
- 3,724
- Median income
- $59,738
- Median home
- $178,800
- Sales tax
- 5%
ZCTA residents
Household, past 12 months
Owner-occupied value
Wisconsin state rate
Quick answer
ZIP 54421 sits in Marathon County, Wisconsin and is home to 3,724 people. Median household income is $59,738, the median home is worth $178,800 and median gross rent is $820. 70.7% of households own their home, and purchases are taxed at 5% (Wisconsin state rate).
- County
- Marathon County
- State
- Wisconsin (WI)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 55073
783 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 54421
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 3,724ZIP 54421 residents
- Median household income
- $59,738Past 12 months, inflation adjusted
- Median home value
- $178,800Owner-occupied units
- Median gross rent
- $820Rent plus utilities, monthly
- Median age
- 37.2 yrsAll residents
- Homeownership rate
- 70.7%Owner-occupied households
Sales tax in 54421
What a purchase inside this ZIP costs at checkout.
Wisconsin levies 5% statewide, and counties, cities and special districts inside this ZIP can add their own local rate on top. Check the county page for the local component before you quote a price.
Affordability in this ZIP
Derived from the Census medians above — indicative, not an offer.
A rent burden above 30% is the federal threshold for cost-burdened households, and a price-to-income multiple above 4× is generally considered a stretched housing market. The mortgage figure is principal and interest only — taxes, insurance and HOA dues are extra.
How 54421 compares
ZIP 54421 against the median ZIP in Marathon County and across Wisconsin.
| Measure | ZIP 54421 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $59,738 | $78,125 | $73,420 | -19% |
| Median home value | $178,800 | $201,100 | $214,300 | -17% |
| Median gross rent | $820 | $886 | $900 | -9% |
| Population | 3,724 | 4,301 | 2,792 | +33% |
Medians are computed across the 16 ZIP areas in Marathon County and the 783 ZIP areas in Wisconsin.
Statewide rank
Where this ZIP places among all 783 Wisconsin ZIP areas.
- Income
- #631
- Home value
- #558
- Population
- #327
richer than 17% of 760 state ZIPs
above 27% of 762 state ZIPs
larger than 58% of 783 state ZIPs
Comparable ZIP codes
Wisconsin ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under Marathon County.
ZIP 54421 questions
Common questions about this ZIP code.
- Where is ZIP code 54421?
- ZIP 54421 lies mostly in Marathon County, Wisconsin. County assignment follows the largest share of land area, so a ZIP straddling a county line is filed under its dominant county.
- What sales tax do I pay in 54421?
- Wisconsin charges 5% statewide, plus any county, city or district rate that applies locally.
- Is 54421 expensive to live in?
- Median rent runs $820 a month, about 16% of median household income, and the median home is worth $178,800 — -17% against the typical Wisconsin ZIP.
- Is a ZCTA the same as a postal ZIP code?
- Not exactly. The Census builds ZIP Code Tabulation Areas from the ZIP codes of addresses inside each census block, so a ZCTA can differ slightly from the USPS delivery route of the same number, and PO-box-only ZIPs have no ZCTA at all.
Keep going
Related pages for this area.
Sources & transparency
- US Census Bureau, ACS 2019-2023 5-year estimates — 2019-2023 ACS 5-year — population, income, housing
- Census 2020 ZCTA-to-county relationship file — County assignment by largest land-area overlap
- Wisconsin Department of Revenue — Sales tax rates and local add-ons
Last reviewed December 2024. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.