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ZIP Code 54423
Polonia, WI, Portage County
Population
2,394
Land area
48.3sq mi
People per sq mi
50
City
Polonia
ZIP 54423 and nearby ZIP codes
ZIP 54423 at a glance
- ZIP 54423 (Polonia) is 55% less dense than Wisconsin as a whole.
- The median household income is $113,690, 47% above the Wisconsin median of $77,485.
- A typical owner-occupied home is valued at $329,100 (23% above Wisconsin) and median rent is $888 a month.
Local data for ZIP 54423
Counts from official public data
Housing and community stats
ZIP 54423, American Community Survey 2020-2024
Median household income
$113,690
Poverty rate
2.8%
Median home value
$329,100
Prices +1.5% in a year
Median rent
$888/mo
Homeownership
92.7%
Bachelor's or higher
35.5%
Median age
51.7
Average commute
26.7 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
38
ZIP Business Patterns 2023
Employees
284
$19.1M annual payroll
PPP loans
$3.4M
86 loans
Campaign donations
$14.2K
18% D, 23% R, 2026 cycle
Environment and hazard risk
ZIP 54423, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: cold wave
Storm events since 1996
461
Countywide, mostly thunderstorm wind
Flood insurance policies
45
0.2% of homes, county
July high / Jan low
80° / 7°F
34.0 inches of rain a year
Health statistics
Share of adults in ZIP 54423, CDC PLACES estimates
Obesity
36.6%
U.S. 33.3% +3.3 pts
Diabetes
10.8%
U.S. 12.1% -1.3 pts
Smoking
13.9%
U.S. 12.8% +1.1 pts
Uninsured (18-64)
6.4%
U.S. 11.1% -4.7 pts
Frequently asked questions
- What city is ZIP code 54423?
- ZIP code 54423 is in Polonia, WI (Portage County).
- What county is ZIP code 54423 in?
- ZIP code 54423 is mostly in Portage County, Wisconsin.
- How many people live in ZIP code 54423?
- About 2,394 people live in the 54423 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.