US ZIP Code
54421

Colby, WI

Clark County  ·  Wisconsin

● Active
👥 3,724 Population
💰 $59,738 Median HH Income
▼ 22% below avg ↑ 7% since 2019
🎂 37.2 Median Age ↑ 5% since 2019
🏠 $178,800 Median Home Value
▼ 36% below avg ↑ 37% since 2019
🎓 25.5% College Grads
▼ 34% below avg
📊 1.5% Unemployment
▼ 69% below avg ↓ 44% since 2019
ZIP Code Details
ZIP Code54421
CityColby
StateWisconsin (WI)
CountyClark County
Area Code534/715
Elevation1,351 ft
Latitude44.895191
Longitude-90.288689
TimezoneChicago (DST)
FIPS55019
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 52.2% (1,945) Female 47.8% (1,779) ♀

Race & Ethnicity

White: 81.3%Hispanic: 15.9%Asian: 0.5%Other: 1%Race
White81.3%
Hispanic15.9%
Asian0.5%
Other1.0%

Age Breakdown

Under 5
6%
5–17
24%
18–24
9%
25–44
21%
45–64
22%
65+
6%

Key Indicators

Median Age37.2 yrs ↑ 5% since 2019
Avg Household Size2.89
Below Poverty11.9% ▲ 19% above avg
College Grads25.5% ▼ 34% below avg
Unemployment1.5% ▼ 69% below avg
No HS Diploma11 (0.6%)
HS Graduate1,041 (53.6%)
Some College208 (10.7%)
Associates188 (9.7%)
Bachelors182 (9.4%)
Graduate Degree313 (16.1%)

Education

No HS: 0.6%HS Grad: 53.6%Some College: 10.7%Associates: 9.7%Bachelors: 9.4%Graduate: 16.1%Edu
No HS0.6%
HS Grad53.6%
Some College10.7%
Associates9.7%
Bachelors9.4%
Graduate16.1%
Housing & Income

Housing Tenure

Owner: 70.8%Renter: 29.3%Tenure
Owner70.8%
Renter29.3%

Home Value Distribution

Under $50k
4%
$50k–100k
10%
$100k–150k
25%
$150k–200k
20%
$200k–300k
24%
$300k–500k
11%
Over $500k
4%

Financials

Median HH Income$59,738 ▼ 22% below avg ↑ 7% since 2019
Median Home Value$178,800 ▼ 36% below avg ↑ 37% since 2019
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$820/mo ↑ 26% since 2019
Total Units1,291
Vacant Units50
Avg HH Size2.89

Income Distribution

Under $25k
19%
$25k–50k
16%
$50k–75k
23%
$75k–100k
10%
$100k–150k
22%
$150k–200k
6%
Over $200k
4%
Employment & Commute

How People Get to Work

Drove Alone
84%
Walked
4%
Work From Home
11%

Commute Time

Under 15 min
53%
15–30 min
26%
30–45 min
15%
Over 45 min
6%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
8%
1960s–1970s
12%
1980s–1990s
15%
2000+
62%

Summary

Total Units1,291
Vacant50
Owner Occupied70.8%
Renter Occupied29.3%
Avg HH Size2.89
Frequently Asked Questions
ZIP code 54421 is in Colby, WI, in Clark County.
ZIP code 54421 is located in Wisconsin (WI).
ZIP code 54421 is in Clark County, WI.
ZIP 54421 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 54421 is 3,724 people (ACS 2023).
The median household income in ZIP code 54421 is $59,738 (ACS 2023).
The median home value in ZIP 54421 is $178,800 (ACS 2023).
About ZIP Code 54421

ZIP code 54421 is located in Colby, Wisconsin, within Clark County. With a population of 3,724, this is a sparsely populated ZIP code with a relatively young community — the median age is 37.2 years. Economically, 54421 is a solidly middle-class ZIP code: the median household income of $59,738 is below the national average.

Real estate in ZIP code 54421 represents an affordable housing market. The median home value of $178,800 is below the national average. Renters can expect to pay around $820 per month in median rent. Homeownership is strong here — 70.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 37% since 2019.

The population of 54421 is primarily White (81.31%). Residents are moderately educated — 25.5% hold a bachelor's degree or higher, which is below the national average. Poverty affects some residents at 11.9%. Household income has grown by 7% since 2019.

The unemployment rate in 54421 stands at 1.5%, which is well below the national average. As in most parts of the country, driving alone is the dominant commute mode at 76%.

Overall, ZIP code 54421 in Colby, WI is characterized as solidly middle-class, moderately educated, a relatively young community, and predominantly owner-occupied. With 3,724 residents, a median household income of $59,738, and a median home value of $178,800, it offers a clear picture of life in this part of Wisconsin.