ZIP code 61489: Williamsfield, IL
61489 is a ZIP code in Williamsfield, Illinois, mainly in Knox County, part of the Galesburg, IL micro area. About 820 people live here.
- Population
- 820
- Median household income
- $98,125
- Typical home value
- $150,000+9% in 12 months
- Median rent
- $642gross, per month
- Median age
- 45.6
- Homeowners
- 95.3%of occupied homes
Shaded: ZIP code 61489's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 61489 details
| City | Williamsfield |
|---|---|
| State | Illinois |
| County | Knox County (also partly Peoria County) |
| Metro area | Galesburg, IL |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 47.1 sq mi, plus 0.1 sq mi of water |
| Population density | 17 people per sq mi |
| Bachelor's degree or higher | 25.1% of adults 25+ |
| Average commute | 22.5 minutes |
| Center coordinates | 40.93076, -90.03309 |
ZIP codes near 61489
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 61428 | Dahinda, IL | 4.2 mi | 1,278 |
| 61451 | Laura, IL | 4.9 mi | 272 |
| 61485 | Victoria, IL | 6.6 mi | 417 |
| 61572 | Yates City, IL | 9.2 mi | 732 |
| 61448 | Knoxville, IL | 11.0 mi | 3,947 |
| 61436 | Gilson, IL | 11.1 mi | 745 |
| 61529 | Elmwood, IL | 11.4 mi | 2,763 |
| 61449 | La Fayette, IL | 11.7 mi | 339 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 61489?
A typical home in ZIP code 61489 is worth about $150,000 (Zillow Home Value Index). The median household here earns $98,125 a year. See what buying here would cost per month, with Illinois average taxes and insurance filled in.
Monthly payment for a $150,000 homeWhat can a $98,125 income afford?Rental property numbers
About ZIP code 61489
What city is ZIP code 61489?
ZIP code 61489 is in Williamsfield, IL, in Knox County.
What county is ZIP code 61489 in?
61489 is mainly in Knox County, Illinois, and partly in Peoria County.
What is the population of ZIP code 61489?
About 820 people live in ZIP code 61489, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 61489 in?
61489 is in Central Time (UTC−6). It observes daylight saving time.