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Home values, rents and more in ZIP code 54421 (Colby, WI)

September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07

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Typical home value
$223,000
Metro: $271,000 · U.S.: $366,000
Home values, past year
+9.8%
Metro: +8.8% · U.S.: +1.2%
Population
3,468
ACS 2020–24
Median household income
$60,820
Metro: $77,884 · U.S.: $80,734
ZIP codes around 54421, shaded by typical home value544215448454426544605449854437544795444654425544225448854405
  • Under $220k
  • $220k–$250k
  • $250k–$260k
  • $260k+
  • No data
ZIP codes around 54421, shaded by typical home value (Zillow, ZIP codes). Dashed lines are county borders. 54421 is outlined.

How 54421 compares

The typical home in ZIP code 54421 (Colby, WI) is worth about $223,000, according to the Zillow Home Value Index for September 2026. Home values in 54421 are 18% below the typical value in the Wausau metro area ($271,000) and 39% below the U.S. typical value ($366,000).

Over the past year, home values in 54421 rose 9.8%, compared with +8.8% in the Wausau metro area and +1.2% nationally.

The median household income is $60,820, against $77,884 in the Wausau metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).

About 3,468 people live in 54421 (American Community Survey 2020–24).

54421 has the 4th-lowest typical home value of the 18 ZIP codes in the Wausau metro area and the 83rd-lowest of 679 in Wisconsin with Zillow figures.

Part of: Colby, WI · Marathon County, WI · Wausau metro area · Wisconsin

More for 54421 in ProMap Plus

These measures are on the map for subscribers. Open ProMap to see them for 54421 and every other place.

  • 5- and 10-year price changes
  • Days on market and months of supply
  • Price cuts and sale-to-list ratio
  • Price-to-income and monthly cost to buy
  • Zillow 12-month price forecast
  • Crime rates
  • School test scores
  • Homeowners insurance premiums
  • Commute time to downtown
  • Flood, wildfire and natural hazard risk
  • Property-tax rate
  • 2024 presidential vote
  • Age, education and household make-up
  • Amenities and transit nearby
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Nearby ZIP codes

Sources

Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.

"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.

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