Zip code 54421: Colby, Wisconsin

Q: What city is zip code 54421?

54421 is assigned to Colby, Wisconsin. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 54421 in?

54421 is mostly in Marathon County, but it extends into 1 other county.

Q: What is the population of 54421?

About 3,468 people live in 54421, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 54421?

The median household income in 54421 is $60,820.

Q: What zip codes are near 54421?

The closest zip codes to 54421 are 54488, 54405, 54425, 54422, 54479.

Residential delivery areaMarathon CountyCentral Time

Population

3,468

Median household income

$61K

U.S. $81K

Median home value

$195K

U.S. $333K

Median rent

$844/mo

U.S. $1,413

Median age

36.8

U.S. 38.9

Land area

70 sq mi

50 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 54421

54421 is a rural zip code in Colby, Wisconsin (Marathon County), covering 70 sq mi of land. About 3,468 people live here, or 50 per square mile. The median resident is 36.8 years old, compared with 38.9 nationally.

The median household earns $60,820 a year, 25% below the national median of $80,734. 13.7% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $194,500, or 3.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 68% of occupied homes are lived in by their owners, and renters pay a median of $844 a month.

14% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 18.7 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in production and manufacturing; transportation and moving goods; and management. 17% of them are self-employed (U.S.: 10%).

How 54421 compares

Sorted from highest to lowest national percentile

Uninsured rate21%
96th
WeaknessU.S. 8.4% · WI 5.2%28th of 759 in WI
Residents under 1830.4%
96th
U.S. 22% · WI 21.4%42nd of 762 in WI
Self-employed workers17%
95th
U.S. 10% · WI 8.5%98th of 759 in WI
Poverty rate13.7%
64th
U.S. 12.5% · WI 10.6%129th of 759 in WI
Residents 65 and older17.8%
59th
U.S. 17.2% · WI 18.5%518th of 762 in WI
Veterans6%
52nd
U.S. 6.2% · WI 6.2%494th of 762 in WI
Income inequality (Gini)0.437
52nd
U.S. 0.483 · WI 0.444170th of 758 in WI
Homeownership rate68.3%
49th
U.S. 65.2% · WI 67.8%637th of 759 in WI
Work from home12.1%
47th
U.S. 15.1% · WI 13.1%311th of 759 in WI
Foreign-born residents8.2%
44th
U.S. 14.1% · WI 5.2%48th of 762 in WI
Median earnings per worker$45,462
42nd
U.S. $49,666 · WI $49,690489th of 758 in WI
Median age36.8
33rd
U.S. 38.9 · WI 40.2673rd of 761 in WI
Rent-burdened renters45.6%
31st
U.S. 51.1% · WI 43.7%191st of 751 in WI
Diversity index31.1
25th
U.S. 61.4 · WI 37.1133rd of 762 in WI
Median household income$60,820
21st
U.S. $80,734 · WI $77,485639th of 753 in WI
Median home value$194,500
20th
U.S. $332,700 · WI $266,500533rd of 753 in WI
Housing vacancy3.7%
18th
U.S. 10.1% · WI 10.8%617th of 759 in WI
Per capita income$28,436
15th
WeaknessU.S. $44,673 · WI $43,373719th of 761 in WI
Healthcare workers6.4%
10th
U.S. 9.7% · WI 10.1%628th of 759 in WI
Median gross rent$844
9th
U.S. $1,413 · WI $1,087452nd of 706 in WI
Average commute18.7 min
8th
StrengthU.S. 26.4 min · WI 22.2 min680th of 753 in WI
Broadband access82.9%
8th
WeaknessU.S. 91% · WI 90.3%625th of 759 in WI
Population density50/sq mi
7th
U.S. 95/sq mi · WI 109/sq mi413th of 762 in WI
Bachelor's degree or higher13.9%
7th
WeaknessU.S. 35.7% · WI 33.4%664th of 762 in WI
Population3,468
6th
U.S. 334,922,499 · WI 5,914,872346th of 762 in WI
Tech workers0.3%
4th
U.S. 3.8% · WI 3.3%661st of 759 in WI
Unemployment rate1.4%
3rd
StrengthU.S. 5.2% · WI 3.2%613th of 759 in WI
Government workers6.8%
3rd
U.S. 14.5% · WI 12.9%704th of 759 in WI

Measure	54421	Marathon	WI	U.S.	National percentile	Rank in WI
Uninsured rateWeakness	21%	5.8%	5.2%	8.4%	96th	28th of 759
Residents under 18	30.4%	22.5%	21.4%	22%	96th	42nd of 762
Self-employed workers	17%	9.6%	8.5%	10%	95th	98th of 759
Poverty rate	13.7%	8.7%	10.6%	12.5%	64th	129th of 759
Residents 65 and older	17.8%	19.2%	18.5%	17.2%	59th	518th of 762
Veterans	6%	6.8%	6.2%	6.2%	52nd	494th of 762
Income inequality (Gini)	0.437	0.417	0.444	0.483	52nd	170th of 758
Homeownership rate	68.3%	73.3%	67.8%	65.2%	49th	637th of 759
Work from home	12.1%	12.9%	13.1%	15.1%	47th	311th of 759
Foreign-born residents	8.2%	4.3%	5.2%	14.1%	44th	48th of 762
Median earnings per worker	$45,462	$49,395	$49,690	$49,666	42nd	489th of 758
Median age	36.8	41.3	40.2	38.9	33rd	673rd of 761
Rent-burdened renters	45.6%	42%	43.7%	51.1%	31st	191st of 751
Diversity index	31.1	25.1	37.1	61.4	25th	133rd of 762
Median household income	$60,820	$77,884	$77,485	$80,734	21st	639th of 753
Median home value	$194,500	$219,600	$266,500	$332,700	20th	533rd of 753
Housing vacancy	3.7%	5%	10.8%	10.1%	18th	617th of 759
Per capita incomeWeakness	$28,436	$41,413	$43,373	$44,673	15th	719th of 761
Healthcare workers	6.4%	11.7%	10.1%	9.7%	10th	628th of 759
Median gross rent	$844	$999	$1,087	$1,413	9th	452nd of 706
Average commuteStrength	18.7 min	19.1 min	22.2 min	26.4 min	8th	680th of 753
Broadband accessWeakness	82.9%	90%	90.3%	91%	8th	625th of 759
Population density	50/sq mi	90/sq mi	109/sq mi	95/sq mi	7th	413th of 762
Bachelor's degree or higherWeakness	13.9%	28.1%	33.4%	35.7%	7th	664th of 762
Population	3,468	138,403	5,914,872	334,922,499	6th	346th of 762
Tech workers	0.3%	2.2%	3.3%	3.8%	4th	661st of 759
Unemployment rateStrength	1.4%	2.9%	3.2%	5.2%	3rd	613th of 759
Government workers	6.8%	9.9%	12.9%	14.5%	3rd	704th of 759

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

24%

5–17

18–24

25–34

12%

35–44

10%

45–54

13%

55–64

65–74

75+

Median age

36.8

Under 18

30.4%

65 and over

17.8%

Race and ethnicity

White81%
Black0%
Hispanic16%
Asian0.4%
Native American0.0%
Pacific Islander0%
Other1%
Multiracial1%

Diversity index

31.1

U.S. 61.4

Foreign-born

8.2%

U.S. 14.1%

Born in state

74.5%

Language spoken at home (households)

English only

83%

Spanish

11%

Other Indo-European

Asian / Pacific

Other

Households

Households: 1,170
Average household size: 2.9
Family households: 70.3%
Married couples: 48.2%
Living alone: 26.5%
Veterans (of adults): 6%
Male / female: 51% / 49%

Income and poverty

Household income distribution

<$25k

17%

$25–50k

24%

$50–75k

22%

$75–100k

10%

$100–150k

18%

$150–200k

$200k+

Median household income

54421

$60,820

Marathon Co.

$77,884

Wisconsin

$77,485

United States

$80,734

Per capita income

$28,436

U.S. $44,673

Poverty rate

13.7%

U.S. 12.5%

Households earning $150K+

9.6%

U.S. 23%

Income inequality (Gini)

0.437

U.S. 0.483

Housing

Median home value

54421

$194,500

Marathon Co.

$219,600

Wisconsin

$266,500

United States

$332,700

Median gross rent

54421

$844

Marathon Co.

$999

Wisconsin

$1,087

United States

$1,413

Types of housing

Single-family

76%

2–4 units

5–19 units

10%

20+ units

Mobile home

Boat, RV, van

Housing units: 1,215
Owner-occupied: 68.3%
Vacant: 3.7%
Median year built: 1973
Median rooms: 6.1
Renters paying 30%+ of income: 45.6%
Renters paying 50%+ of income: 24.9%
Home value to income: 3.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

74%

Carpooled

Transit

Walked

Bicycle

Worked from home

12%

Other

0.5%

Commute time (one way)

<10 min

29%

10–19

33%

20–29

16%

30–44

15%

45–59

60+

Average commute

18.7 min

U.S. 26.4 min

Unemployment

1.4%

U.S. 5.2%

In labor force

59.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production

14%

Transportation and moving

14%

Management

12%

Sales

12%

Construction and repair

Office and admin

Education

Healthcare

Food service

Engineering and science

Business and finance

Cleaning and personal care

Farming, fishing and forestry

Arts, media and sports

Police and fire

0.6%

Legal and social services

0.5%

Computer and math

0.3%

Industries

Manufacturing

23%

Retail

16%

Health care and social assistance

Construction

Agriculture and mining

Education

Finance, insurance and real estate

Transportation, warehousing and utilities

Restaurants and hotels

Other services

Wholesale

Professional and technical services

Admin, support and management

Public administration

Information

0.6%

Arts and recreation

0.5%

Median earnings per worker

$45,462

U.S. $49,666

Self-employed

17%

U.S. 10%

Government workers

6.8%

U.S. 14.5%

Nonprofit workers

5.7%

U.S. 8.8%

Median earnings by type of work

Type of work	54421	U.S.
Management, business, science and arts	$49,919	$74,888
Service	$15,500	$26,804
Sales and office	$36,506	$40,476
Construction and maintenance	$55,465	$49,199
Production and transportation	$47,750	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

17%

High school

45%

Some college

15%

Associate's

Bachelor's

11%

Graduate

High school graduate or higher: 82.6%
Bachelor's degree or higher: 13.9%
Graduate or professional degree: 3.3%
Households with broadband: 82.9%
Cable, fiber or DSL: 55%
No internet access: 15%
Without health insurance: 21%
Limited-English households: 2.2%

Geography

City (USPS): Colby
State: Wisconsin
County: Marathon County
Center point: 44.8952° N, 90.2887° W
Land area: 70 sq mi
Water area: 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

54421 spans 2 counties

Marathon County55% of land
Clark County45% of land

Cities and towns within this zip

Colby2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 54421

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
54488	Unity, WI	4.6 mi	1,275	$63,571	$142,400
54405	Abbotsford, WI	5 mi	2,770	$69,659	$177,900
54425	Dorchester, WI	8.1 mi	1,988	$63,424	$175,000
54422	Curtiss, WI	9.5 mi	1,553	$71,667	$156,300
54479	Spencer, WI	10 mi	3,630	$77,371	$182,800
54480	Stetsonville, WI	11 mi	1,386	$68,333	$179,900
54484	Stratford, WI	12 mi	5,529	$72,047	$248,600
54460	Owen, WI	13 mi	2,620	$65,583	$162,800
54446	Loyal, WI	13 mi	3,500	$74,342	$159,600
54426	Edgar, WI	14 mi	4,275	$78,942	$218,200
54404	Marshfield, WI · PO box	17 mi	—	—	—
54472	Marshfield, WI · PO box	17 mi	—	—	—

Zip codes like 54421 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 54421

What city is zip code 54421?

54421 is assigned to Colby, Wisconsin. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 54421 in?

54421 is mostly in Marathon County, but it extends into 1 other county.

What is the population of 54421?

About 3,468 people live in 54421, according to the Census Bureau's American Community Survey.

What time zone is 54421 in?

54421 is in Central Time.

What is the median household income in 54421?

The median household income in 54421 is $60,820.

What zip codes are near 54421?

The closest zip codes to 54421 are 54488, 54405, 54425, 54422, 54479.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 54421, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.