St. Croix County · Wisconsin
ZIP code 54023
- Population
- 4,612
- Median income
- $107,333
- Median home
- $352,500
- Sales tax
- 5%
ZCTA residents
Household, past 12 months
Owner-occupied value
Wisconsin state rate
Quick answer
ZIP 54023 sits in St. Croix County, Wisconsin and is home to 4,612 people. Median household income is $107,333, the median home is worth $352,500 and median gross rent is $1,587. 83.9% of households own their home, and purchases are taxed at 5% (Wisconsin state rate).
- County
- St. Croix County
- State
- Wisconsin (WI)
- Area codes
- Not published
- Metro area
- Outside covered metros
FIPS 55109
783 ZIPs covered
No NANPA match for this ZIP
Rate jurisdiction used for tax
The numbers for 54023
American Community Survey 2019-2023 ACS 5-year estimates for this ZCTA.
- Population
- 4,612ZIP 54023 residents
- Median household income
- $107,333Past 12 months, inflation adjusted
- Median home value
- $352,500Owner-occupied units
- Median gross rent
- $1,587Rent plus utilities, monthly
- Median age
- 36.9 yrsAll residents
- Homeownership rate
- 83.9%Owner-occupied households
Sales tax in 54023
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 54023 compares
ZIP 54023 against the median ZIP in St. Croix County and across Wisconsin.
| Measure | ZIP 54023 | County median | State median | vs state |
|---|---|---|---|---|
| Median household income | $107,333 | $99,804 | $73,420 | +46% |
| Median home value | $352,500 | $301,900 | $214,300 | +64% |
| Median gross rent | $1,587 | $1,125 | $900 | +76% |
| Population | 4,612 | 4,107 | 2,792 | +65% |
Medians are computed across the 11 ZIP areas in St. Croix County and the 783 ZIP areas in Wisconsin.
Statewide rank
Where this ZIP places among all 783 Wisconsin ZIP areas.
- Income
- #49
- Home value
- #68
- Population
- #285
richer than 94% of 760 state ZIPs
above 91% of 762 state ZIPs
larger than 64% of 783 state ZIPs
Comparable ZIP codes
Wisconsin ZIP areas with almost the same household income.
Nearby ZIP codes
Other ZIP codes filed under St. Croix County.
ZIP 54023 questions
Common questions about this ZIP code.
- Where is ZIP code 54023?
- ZIP 54023 lies mostly in St. Croix 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 54023?
- Wisconsin charges 5% statewide, plus any county, city or district rate that applies locally.
- Is 54023 expensive to live in?
- Median rent runs $1,587 a month, about 18% of median household income, and the median home is worth $352,500 — +64% 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.