ZIP Code 61489 - Williamsfield Illinois
Overview
ZIP Code 61489 is located in Williamsfield Illinois. Portions of 61489 are also in Truro Township and Elba Township and Victoria Township and Millbrook Township. 61489 is primarily within Knox County, with some portions in Peoria County. Regionally, 61489 is located in the Davenport-Rock Island-Moline Area.
ZIP Code 61489 Quick Stats
| ZIP Code Name | Williamsfield |
| Primary County | Knox County |
| ZIP Code Type | Standard |
| Population (2022) | 841 |
| Area Code(s) | 309 |
| Current Time | CDT |
ZIP Code 61489 Map
61489 Demographics
61489 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Illinois based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 61489 is White. The majority race/ethnicity attending public schools in 61489 is White. The current unemployment level in 61489 is 5.2%.
| Population | 841 |
| Population Growth Rate | 0% |
| Population Density | 20 People per Square Mile |
| Total Households | 375 |
| Median Household Income (2021) | $75,250 |
| Average Adjusted Gross Income (2021) | $147,710 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 8.8% |
| Majority Race/Ethnicity | White - 91.45% |
| Public School Majority Race/Ethnicity | White - 94.3% |
61489 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 749 | 91.45% |
| Black | 68 | 8.3% |
| Hispanic | 2 | 0.24% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
61489 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 281 | 96.23% |
| Black | 1 | 0.34% |
| Hispanic | 10 | 3.42% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
61489 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 58 | 10.09% |
| Bachelor Degree | 40 | 6.96% |
| High School Diploma | 296 | 51.48% |
| No High School Diploma | 11 | 1.91% |
| GED or Alternate | 14 | 2.43% |
| 1 or More Years of College | 86 | 14.96% |
| Associates Degree | 50 | 8.7% |
| Masters Degree | 14 | 2.43% |
| Professional Degree | 6 | 1.04% |
| Doctorate Degree | 0 | 0% |
61489 Geography
| Coordinates | 40.93214798, -90.02131653 |
| Adjacent ZIP Codes | |
| Cities/Towns in 61489 | |
| Regions | Davenport-Rock Island-Moline Area Peoria-Bloomington Area |
| Metropolitan/Micropolitan Stat Areas | Galesburg, IL Peoria, IL |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 42 Square Miles |
61489 Schools
| School Districts in 61489 | |
| Elementary Schools in 61489 | |
| Middle Schools in 61489 | |
| High Schools in 61489 |
61489 Weather and Climate Data
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 72i - Western Dissected Illinoian Till Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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