Custer, WI · standard
ZIP Code 54423
Portage County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 2,343
- 17/sq mi Moderate-density area
- $113,690
- Median income Above-median income area
- $329,100
- Median home value Above-median home value
- 35.5%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Custer pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.
- Top 12%
- household income, US ZIPs
- Top 29%
- home value, US ZIPs
- 17
- people per sq mi
- 93%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 54423 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 54423 (Custer, WI) rose +1.5% from 2023 to 2024. The all-transactions index moved from 203.9 in 2023 to 206.9 in 2024 (2000 = 100).
ZIP code 54423 covers 138.6 square miles in Custer, Portage County, Wisconsin (a standard USPS delivery area), with a modest 2,343 residents on file, a density of 17 people per square mile, in the Chicago time zone.
ZIP 54423 skews affluent, with a median household income of $113,690 (46% above the average Wisconsin ZIP), while per-capita income is $49,194. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.8% and unemployment is 0.3%. Housing is both higher-cost and owner-heavy: median home value is $329,100 (32% above the average Wisconsin ZIP), while 92.7% of occupied homes are owner-occupied and median rent is $888.
A solid share of residents have a four-year degree: 35.5% of adults hold a bachelor's degree or higher, the median age is 51.7, and the average commute is 27 minutes. The page also surfaces 4 ZIP codes within roughly 10 miles and 6 more in Portage County, so 54423 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 54423
Top 5 sectors by establishment count in Custer, WI
Which industries have the most business establishments in ZIP 54423.
- Accommodation and food services
Accommodation and food services
6 establishments
- Construction
Construction
5 establishments
- Other services (except public administration)
Other services (except public administration)
5 establishments
- Manufacturing
Manufacturing
4 establishments
- Transportation and warehousing
Transportation and warehousing
3 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 54423, Custer, WI · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
2,343
Population
138.6
Area (sq mi)
17
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 54423?
51.7
Median Age
59.0%
Male
41.0%
Female
0.5%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$113,690
Median Household Income
+46% vs state ZIP avg
$49,194
Per Capita Income
2.8%
Poverty Rate
0.3%
Unemployment Rate
26.7 min
Mean Commute Time
How ZIP 54423 ranks among Wisconsin ZIPs
Custer, WI household income vs. every Wisconsin ZIP code
Median household income among 755 reporting Wisconsin ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$113,690 Top 4% higher than 96% of 755 Wisconsin ZIPs
Each bar is a $20K-wide band; taller bars hold more Wisconsin ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
948housing units
948
Total Housing Units
926
Occupied Units
22
Vacant Units
2.59
Avg Household Size
Occupancy Type
$329,100
Median Home Value
+32% vs state ZIP avg
$888
Median Rent
1990
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+1.5%
YoY Change (2024)
207
HPI Index (2000 = 100)
+107%
Total Change Since 2000
Home values in ZIP 54423 have increased 1.5% over the past year (2024). Since 2000, this ZIP has seen +107% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +1.6% | 154 |
| 2021 | +4.0% | 160 |
| 2022 | +16.2% | 186 |
| 2023 | +9.9% | 204 |
| 2024 | +1.5% | 207 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 38 business establishments in ZIP 54423, employing approximately 284 people with a combined annual payroll of $19,080,000.
38
Businesses
284
Employees
$19.1M
Annual Payroll
7
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Accommodation and food services | 6 | 15.8% |
| Construction | 5 | 13.2% |
| Other services (except public administration) | 5 | 13.2% |
| Manufacturing | 4 | 10.5% |
| Transportation and warehousing | 3 | 7.9% |
| Health care and social assistance | 3 | 7.9% |
| Arts, entertainment, and recreation | 3 | 7.9% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 54423 vs 54482 →
ZIP 54423 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 54482
Stevens Point (54482)
8,955 residents
- 54473 2,700
Rosholt (54473)
2,700 residents
- 54423 2,343
Custer (54423)
2,343 residents
- 54407 1,515
Amherst Junction (54407)
1,515 residents
- 54458 124
Nelsonville (54458)
124 residents
What this shows Among its immediate neighbors, ZIP 54423 ranks #3 by population - useful context the national average alone can't give.
ZIP 54423 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 54423
Custer (54423)
$113,690 median income
- 54407
Amherst Junction (54407)
$101,563 median income
- 54482
Stevens Point (54482)
$94,500 median income
- 54473
Rosholt (54473)
$80,038 median income
- 54458
Nelsonville (54458)
$57,917 median income
What this shows By household income, ZIP 54423 ranks the highest of 5 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 54423, both outside WI so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (2,343 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Portage County
Related Areas
Frequently Asked Questions
What county is ZIP code 54423 in?
ZIP code 54423 (Custer) is located in Portage County, Wisconsin. Portage County contains multiple ZIP codes, see the full list at /counties/portage-wi.
What is the population of ZIP code 54423?
ZIP code 54423 in Custer, WI has a population of 2,343 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 54423?
The median household income in ZIP 54423 is $113,690, which is 49% above the national average of $76,288.
What is the average home value in ZIP 54423?
The median home value in ZIP 54423 is $329,100, which is 18% above the national average of $278,155.
What is the demographic makeup of ZIP 54423?
The largest racial group in ZIP 54423 is White at 99.3%. Hispanic or Latino residents make up 0.2% of the population.
How many businesses are in ZIP code 54423?
ZIP code 54423 has 38 business establishments employing approximately 284 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 54423?
The top industries by establishment count in ZIP 54423 are: Accommodation and food services (6), Construction (5), Other services (except public administration) (5). There are 7 industry sectors represented in total.
How have home values changed in ZIP code 54423?
According to the FHFA House Price Index, home values in ZIP 54423 increased by 1.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 107%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 54423?
In ZIP code 54423, 68.5% of residents aged 25+ have a high school diploma or higher, and 35.5% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 54423?
The mean commute time for workers in ZIP code 54423 is 26.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 54423?
In ZIP code 54423, approximately 92.7% of occupied housing units are owner-occupied and 7.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 54423?
The poverty rate in ZIP code 54423 is 2.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 54423's numbers, next.
- See how ZIP 54423 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Custer, WI ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.