PlainZIP

Colby, WI · standard

ZIP Code 54421

Clark County, Wisconsin - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

3,455
19/sq mi
$60,820
Median income
$194,500
Median home value
13.9%
Bachelor's or higher

The verdict

Colby pairs a below-median household income with below-median home values, in a rural, homeowner-dominated area.

30th pct
household income, US ZIPs
42th pct
home value, US ZIPs
19
people per sq mi
68%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 54421 against every reporting US ZIP.

ZIP code 54421 covers 183.8 square miles in Colby, Clark County, Wisconsin (a standard USPS delivery area), with a modest 3,455 residents on file, a density of 19 people per square mile, in the Chicago time zone.

ZIP 54421 reports a modest median household income of $60,820 (22% below the Wisconsin average), while per-capita income is $28,436. Local economic indicators show a 13.7% poverty rate alongside 1.4% unemployment. The typical home here is valued at $194,500 (22% below the state average); renters pay a median of $844 monthly, and 68.3% of units are owner-occupied.

Formal educational attainment runs low here: just 13.9% of adults hold a bachelor's degree or higher, the median age is 36.8, and the average commute is 19 minutes. A geography-based comparison follows: 4 ZIP codes within about 10 miles of 54421, plus 6 more within Clark County, give a clearer read than the 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 54421

Top 5 sectors by establishment count in Colby, WI

Which industries have the most business establishments in ZIP 54421.

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 54421, Colby, 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

3,455

Population

183.8

Area (sq mi)

19

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 54421?

36.8

Median Age

51.2%

Male

48.8%

Female

8.2%

Foreign-Born

White 85.6%
African American 0.0%
Asian 0.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 9.1%
Hispanic or Latino 15.8%

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?

$60,820

Median Household Income

-22% vs state

$28,436

Per Capita Income

13.7%

Poverty Rate

1.4%

Unemployment Rate

18.7 min

Mean Commute Time

How ZIP 54421 ranks nationally

Colby, WI household income vs. every US ZIP code

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

$60,820 30th percentile higher than 30% 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%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $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 59.3%
Bachelor's Degree or Higher 13.9%

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

What does housing look like?

1,215

Total Housing Units

1,170

Occupied Units

45

Vacant Units

2.86

Avg Household Size

Occupancy Type

Owner 68.3%
Renter 31.7%

$194,500

Median Home Value

-22% vs state

$844

Median Rent

1973

Median Year Built

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

What businesses operate in this ZIP?

Census Bureau data shows 69 business establishments in ZIP 54421, employing approximately 951 people with a combined annual payroll of $47,520,000.

69

Businesses

951

Employees

$47.5M

Annual Payroll

10

Industry Sectors

Industry Establishments % of Total
Health care and social assistance 12 17.4%
Retail trade 11 15.9%
Other services (except public administration) 9 13.0%
Accommodation and food services 7 10.1%
Construction 5 7.3%
Manufacturing 5 7.3%
Transportation and warehousing 4 5.8%
Wholesale trade 3 4.3%
Finance and insurance 3 4.3%
Professional, scientific, and technical services 3 4.3%

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 54421 vs 54405 →

ZIP 54421 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 54421 ranks #2 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 54421 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 54421 ranks #5 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
54405 Abbotsford, WI 3,032 4.3 mi
54488 Unity, WI 1,262 4.3 mi
54425 Dorchester, WI 2,036 7.9 mi
54479 Spencer, WI 4,119 9.9 mi

More ZIP Codes in Clark County

54456 standard
Neillsville, WI
Pop: 6,085
54771 standard
Thorp, WI
Pop: 4,286
54446 standard
Loyal, WI
Pop: 3,123
54437 standard
Greenwood, WI
Pop: 3,077
54405 standard
Abbotsford, WI
Pop: 3,032
54460 standard
Owen, WI
Pop: 2,746

Related Areas

Clark County Colby, WI Wisconsin

Frequently Asked Questions

What county is ZIP code 54421 in? ▼
ZIP code 54421 (Colby) is located in Clark County, Wisconsin. Clark County contains multiple ZIP codes, see the full list at /counties/clark-wi.
What is the population of ZIP code 54421? ▼
ZIP code 54421 in Colby, WI has a population of 3,455 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 54421? ▼
The median household income in ZIP 54421 is $60,820, which is 20% below the national average of $76,288.
What is the average home value in ZIP 54421? ▼
The median home value in ZIP 54421 is $194,500, which is 30% below the national average of $278,155.
What is the demographic makeup of ZIP 54421? ▼
The largest racial group in ZIP 54421 is White at 85.6%. Hispanic or Latino residents make up 15.8% of the population.
How many businesses are in ZIP code 54421? ▼
ZIP code 54421 has 69 business establishments employing approximately 951 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 54421? ▼
The top industries by establishment count in ZIP 54421 are: Health care and social assistance (12), Retail trade (11), Other services (except public administration) (9). There are 10 industry sectors represented in total.
What is the education level in ZIP code 54421? ▼
In ZIP code 54421, 59.3% of residents aged 25+ have a high school diploma or higher, and 13.9% 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 54421? ▼
The mean commute time for workers in ZIP code 54421 is 18.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 54421? ▼
In ZIP code 54421, approximately 68.3% of occupied housing units are owner-occupied and 31.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 54421? ▼
The poverty rate in ZIP code 54421 is 13.7% 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.