ZIP codes
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Colby, WI Demographics & ZIP Codes
Colby, Wisconsin demographics and median household income by ZIP code (in Marathon County) — 1 ZIP codes — population 3,724 — median income $59,738 — avg. home value $178,800. Compare income, housing, and population across ZIP codes on US5.
Population
3,724
Median household income (avg.)
$59,738
79% of U.S. median
Average home value
$178,800
51% of U.S. median
Average rent
$698
60% of U.S. median
Median age (avg.)
37.2
Colby demographics
Colby, Wisconsin covers 1 ZIP code primarily in Marathon County, with a combined ZIP-area population of about 3,724.
Across ZIP codes with age data, the average median age is about 37.2 years.
Median household income in Colby
The average median household income across ZIP codes in Colby, Wisconsin is about $59,738 — about 22% below the WI ZIP average ($76,216), and about 21% below the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $59,738 in 54421.
Housing in Colby
For housing in Colby, Wisconsin, the average median home value is about $178,800 and the average median rent is about $698.
The most populous ZIP in this set is 54421 (about 3,724 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Colby
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 54421 | Colby | Marathon County | WI | 3,724 | $59,738 | $178,800 |
Frequently asked questions
What are the demographics of Colby?
Colby, Wisconsin has a combined ZIP-area population of about 3,724 across 1 ZIP codes (primarily Marathon County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Colby?
The average median household income across ZIP codes in Colby, Wisconsin is about $59,738, about 22% below the state ZIP average ($76,216), and about 21% below the U.S. median ($75,149). Average median home value is about $178,800.
How many ZIP codes are in Colby?
Colby, Wisconsin includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Colby?
This page lists ZIP codes in Colby, Wisconsin with population, median household income, and home value. Select a ZIP for a full demographics profile.