54423 ZIP Code, Custer, WI
54423 is a ZIP code in Custer, Wisconsin in Portage County. It covers 48 square miles of land. The closest ZIP codes are 54482, 54473 and 54407. 2,394 people live here in 926 households. It is rural, with fewer than 100 people per square mile, and most homes are owner-occupied (93%). Median household income is $113,690, above the Wisconsin median of $77,485; the median age is 51.7, older than most ZIP codes.
Quick facts
- Mailing city: Custer, WI
- County: Portage County
- Land area: 48 sq mi
- Population: 2,394
- Median household income: $113,690
Key figures
| Measure | Value |
|---|---|
| Residents | 2,394 |
| Households | 926 |
| Median household income | $113,690 |
| Income per person | $49,194 |
| Median age | 51.7 |
| Homeowners | 92.7% |
| Median home value | $329,100 |
| Median rent | $888 |
| Bachelor's degree or higher | 35.5% |
| Average commute (minutes) | 26.7 |
| Households with kids under 18 | 25.7% |
| Moved in the past year | 2.0% |
| Below the poverty line | 2.8% |
| Broadband internet | 90.6% |
| Speak a non-English language at home | 1.2% |
Household income
| % of households | Value |
|---|---|
| <$10K | 1.7% |
| $10–15K | 0.3% |
| $15–25K | 3.0% |
| $25–35K | 3.9% |
| $35–50K | 5.2% |
| $50–75K | 15.9% |
| $75–100K | 10.8% |
| $100–150K | 32.9% |
| $150–200K | 20.3% |
| $200K+ | 5.9% |
Age
| % of all residents | Value |
|---|---|
| <10 | 10.2% |
| 10–19 | 10.3% |
| 20–24 | 4.7% |
| 25–34 | 6.9% |
| 35–44 | 11.4% |
| 45–54 | 10.9% |
| 55–64 | 25.3% |
| 65–74 | 14.2% |
| 75+ | 6.1% |
Tenure
| % of housing units | Value |
|---|---|
| Owned, with mortgage | 51.2% |
| Owned outright | 39.4% |
| Rented | 7.1% |
| Vacant | 2.3% |
Type of building
| % of housing units | Value |
|---|---|
| Detached house | 93.5% |
| Townhome | 0.5% |
| 2–4 units | 5.5% |
| 5–19 units | 0.0% |
| 20+ units | 0.0% |
| Mobile / other | 0.5% |
Businesses in 54423
38 business establishments with 284 employees (ZIP Codes Business Patterns 2023).
- Accommodation and Food Services: 6
- Construction: 5
- Other Services (except Public Administration): 5
- Manufacturing: 4
- Transportation and Warehousing: 3
- Health Care and Social Assistance: 3
- Arts, Entertainment, and Recreation: 3
EDDM carrier routes
See every USPS carrier route in 54423 with residential and business mailbox counts on the route map. Open the EDDM route map.
Nearby ZIP codes
- 54482 — Stevens Point city, WI (4.6 mi)
- 54473 — Rosholt village, WI (6.1 mi)
- 54407 — Amherst Junction village, WI (7.8 mi)
- 54458 — Nelsonville village, WI (8.2 mi)
- 54481 — Stevens Point city, WI (11.5 mi)
- 54467 — Plover village, WI (12.7 mi)
- 54406 — Amherst village, WI (13 mi)
- 54945 — Iola village, WI (14.2 mi)
Areas that include 54423
- Polonia, WI ZIP codes — 2 ZIP codes
- Custer, WI ZIP codes — 1 ZIP code
- Portage County ZIP codes — 15 ZIP codes
- Wisconsin ZIP code data
Where it ranks
- No. 1 of 14: highest median household income in Portage County
- No. 1 of 14: highest median home value in Portage County
- No. 2 of 14: highest share of owner-occupied homes in Portage County
- No. 2 of 14: highest median age in Portage County
Mail every home in 54423
Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.
EDDM guides
ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 54423, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.
Frequently asked questions
- What city is 54423 in?
- 54423 is a Custer, WI mailing address. By land area, 5% lies inside Polonia; the rest is outside any Census-defined city or community.
- What county is 54423 in?
- 54423 is in Portage County.
- What is the population of 54423?
- About 2,394 people (±294), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 2,349.
- What is the median household income in 54423?
- $113,690 (±$7,093), compared with $77,485 for Wisconsin as a whole. Half the households in the ZIP code earn more and half earn less.
- How many carrier routes and mailboxes are in 54423?
- EDDM2GO's stored route library does not include 54423 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
- What ZIP codes are near 54423?
- The closest, measured center to center: 54482 (4.6 mi, Stevens Point), 54473 (6.1 mi, Rosholt), 54407 (7.8 mi, Amherst Junction), 54458 (8.2 mi, Nelsonville), 54481 (11.5 mi, Stevens Point) and 54467 (12.7 mi, Plover).
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.