Polonia, WI ZIP Codes
2 ZIP codes serve Polonia, Wisconsin: 54473 and 54423. Together they are home to 4,866 residents in 1,933 households. That is more than the 776 people counted inside Polonia Census-designated place, because these ZIP codes reach past its boundary. Median household income ranges from $80,038 in 54473 to $113,690 in 54423.
Polonia Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 776 |
| Households | 293 |
| Median household income | $119,154 |
| Median home value | $342,700 |
| Median age | 48.1 |
| Median rent | $1,274 |
All 2 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 4,866 |
| Households (sum of ZIP codes) | 1,933 |
| Median household income, range across ZIP codes | $80,038 (54473) to $113,690 (54423) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $96,159 |
| Homeowners | 91.1% |
| Households with kids under 18 | 24.7% |
| Moved in the past year | 2.6% |
| Carrier routes in EDDM2GO's route library | not loaded yet |
Top facts
- Highest median household income in Polonia: 54423 ($113,690)
- Most residents: 54473 (2,472 people)
- Highest homeownership: 54423 (92.7% own their home)
- Most households with kids: 54423 (25.7% of households)
- Most new movers: 54473 (3.2% moved in last year)
- Youngest median age: 54473 (48.6 years)
- Highest median home value: 54423 ($329,100)
Every ZIP code in Polonia
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 54473 | Rosholt | 2,472 | 1,007 | $80,038 | $244,600 | 89.6% | 23.7% | 3.2% | — | — | 1% of its land |
| 54423 | Custer | 2,394 | 926 | $113,690 | $329,100 | 92.7% | 25.7% | 2.0% | — | — | 5% of its land |
A ZIP code is listed for Polonia when at least 10% of its land lies inside the Polonia Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Polonia. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Polonia.
Counties
- Portage County — 15 ZIP codes
Price a mailing to Polonia ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Polonia, WI?
- 54473 and 54423. A ZIP code is listed for Polonia when at least 10% of its land lies inside the Polonia Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Polonia.
- What is the population of Polonia, WI?
- The Census Bureau counts 776 residents inside Polonia Census-designated place (ACS 2020–2024). The 2 ZIP codes that serve Polonia hold 4,866 residents in all.
- What is the median household income in Polonia, WI?
- $119,154 inside Polonia Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $80,038 to $113,690.
- Which Polonia ZIP code has the highest median household income?
- 54423, at $113,690, among ZIP codes with at least 1,000 residents.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.