Zip lookup · IL

61489
Williamsfield, Illinois.

Williamsfield, Knox County, IL · Galesburg, IL metro · population 820

What it costs per month · 61489 $787/mo

to buy the typical home at today's mortgage rate — +$379 (+93%) since Jan 2020.

What the home itself did
1 year
Up $12,360 +9%
$137,653$150,013 since Sep 2025
5 years
Up $14,533 +11%
$135,481$150,013 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 61489 $787 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 61489$787
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 34 years.

Typical home values in zip 61489 rose 9.0% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Knox County, IL 97% · Peoria County, IL 3%

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

Typical home value $150,013 as of Sep 2026
+9.0%year on year

Typical home value — 61489

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2019 2020 2021 2022 2023 2024 2025 2026 61489 $150,013 Galesburg $120,132 United States $366,157
$100,000 $200,000 $300,000 2020 2022 2024 2026
  • 61489$150,013
  • Galesburg$120,132
  • 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
4.3 61428 Dahinda 1,278 — $353,538
4.8 61451 Laura 272 — $191,248
9.5 61572 Yates City 732 — $133,966
11.1 61449 La Fayette 339 — $116,629
11.3 61448 Knoxville 3,947 — $163,326
11.6 61529 Elmwood 2,763 — $189,322
12.0 61517 Brimfield 3,033 — $296,687
13.0 61483 Toulon 1,801 — $148,256
13.2 61559 Princeville 3,595 — $242,626
14.7 61467 Oneida 1,159 — $136,952
14.8 61414 Altona 696 — $116,163
16.5 61434 Galva 2,971 — $112,838
16.7 61488 Wataga 1,084 — $139,254
17.4 61531 Farmington 3,007 — $150,397
17.9 61491 Wyoming 2,230 — $145,126
18.9 61401 Galesburg 30,580 — $105,431
19.1 61569 Trivoli 938 — $276,024
19.3 61528 Edwards 3,212 — $384,635
19.5 61525 Dunlap 12,357 — $386,667
19.9 61544 London Mills 784 — $104,389

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