Zip lookup · WI

54421
Colby, Wisconsin.

Colby, Marathon County, WI · Wausau-Weston, WI metro · population 3,468

What it costs per month · 54421 $1,170/mo

to buy the typical home at today's mortgage rate — +$672 (+135%) since Jan 2020.

What the home itself did
1 year
Up $19,827 +10%
$203,060$222,887 since Sep 2025
5 years
Up $66,819 +43%
$156,068$222,887 since Sep 2021

Monthly payment to buy the typical home

Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 54421 $1,170 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 54421$1,170
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 10 years.

Typical home values in zip 54421 rose 9.8% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Marathon County, WI 55% · Clark County, WI 45%

Zillow also publishes an index for the city itself: Colby, WI — measured over the city limits, which is a different area from this zip.

Typical home value $222,887 as of Sep 2026
+9.8%year on year

Typical home value — 54421

Mid-tier homes, smoothed and seasonally adjusted.

$150,000 $200,000 $250,000 $300,000 $350,000 2018 2020 2022 2024 2026 54421 $222,887 Wausau $270,942 United States $366,157
$150,000 $200,000 $250,000 $300,000 $350,000 2018 2022 2026
  • 54421$222,887
  • Wausau$270,942
  • United States$366,157

Within 20 miles

Miles sorted ascending, activate to sort descending Zip activate to sort by Zip City activate to sort by City Population activate to sort by Population Rent activate to sort by Rent Home value activate to sort by Home value
4.4 54488 Unity 1,275 — $221,853
4.5 54405 Abbotsford 2,770 — $198,961
7.9 54425 Dorchester 1,988 — $216,035
9.6 54422 Curtiss 1,553 — $221,320
9.9 54479 Spencer 3,630 — $229,534
11.1 54480 Stetsonville 1,386 — $209,879
12.3 54460 Owen 2,620 — $193,691
12.6 54484 Stratford 5,529 — $276,900
13.2 54446 Loyal 3,500 — $205,204
15.0 54426 Edgar 4,275 — $263,458
16.7 54411 Athens 5,028 — $249,283
18.4 54498 Withee 2,362 — $219,937
18.6 54449 Marshfield 26,183 $1,164 $254,494
18.8 54437 Greenwood 3,236 — $234,783

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.