PlainZIP

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
$113,690
Median income
$329,100
Median home value
35.5%
Bachelor's or higher

The verdict

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.

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 Wisconsin average), while per-capita income is $49,194. Poverty here runs at 2.8%, with unemployment measured at 0.3%. On housing, the median home value is $329,100 (32% above the state average) with median rent at $888 per month, and 92.7% of occupied units are owner-occupied.

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. We also surface 4 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Portage County, so you can benchmark 54423 against its immediate geography rather than a national average alone.

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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 54423?

51.7

Median Age

59.0%

Male

41.0%

Female

0.5%

Foreign-Born

White 99.3%
African American 0.0%
Asian 0.2%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.5%
Hispanic or Latino 0.2%

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

$49,194

Per Capita Income

2.8%

Poverty Rate

0.3%

Unemployment Rate

26.7 min

Mean Commute Time

How ZIP 54423 ranks nationally

Custer, WI household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$113,690 Top 12% higher than 88% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). This entry sits in this band. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 68.5%
Bachelor's Degree or Higher 35.5%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

948

Total Housing Units

926

Occupied Units

22

Vacant Units

2.59

Avg Household Size

Occupancy Type

Owner 92.7%
Renter 7.3%

$329,100

Median Home Value

+32% vs state

$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.

residents

What this shows Among its immediate neighbors, ZIP 54423 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 54423 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
54482 Stevens Point, WI 8,955 5.1 mi
54473 Rosholt, WI 2,700 5.7 mi
54407 Amherst Junction, WI 1,515 7.4 mi
54458 Nelsonville, WI 124 8.2 mi

More ZIP Codes in Portage County

54481 standard
Stevens Point, WI
Pop: 29,340
54467 standard
Plover, WI
Pop: 13,635
54482 standard
Stevens Point, WI
Pop: 8,955
54406 standard
Amherst, WI
Pop: 3,469
54473 standard
Rosholt, WI
Pop: 2,700
54909 standard
Almond, WI
Pop: 2,181

Related Areas

Portage County Custer, WI Wisconsin

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.

Read our methodology to see how this data is sourced, computed, and verified.