ZIP Code 61428 - Dahinda Illinois
Overview
ZIP Code 61428 is located in Dahinda Illinois. Portions of 61428 are also in Oak Run and Persifer Township and Truro Township and Copley Township. 61428 is entirely within Knox County. Regionally, 61428 is located in the Davenport-Rock Island-Moline Area.
ZIP Code 61428 Quick Stats
| ZIP Code Name | Dahinda |
| Primary County | Knox County |
| ZIP Code Type | Standard |
| Population (2022) | 1,162 |
| Area Code(s) | 309 |
| Current Time | CDT |
ZIP Code 61428 Map
61428 Demographics
61428 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 61428 is White. The current unemployment level in 61428 is 5.2%.
| Population | 1,162 |
| Population Growth Rate | 0% |
| Population Density | 38 People per Square Mile |
| Total Households | 418 |
| Percentage High Income Households | 6% |
| Median Household Income (2021) | $77,500 |
| Average Adjusted Gross Income (2021) | $365,060 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 7.8% |
| Majority Race/Ethnicity | White - 92.98% |
61428 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,046 | 92.98% |
| Black | 36 | 3.2% |
| Hispanic | 43 | 3.82% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
61428 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 50 | 7.5% |
| Bachelor Degree | 140 | 20.99% |
| High School Diploma | 160 | 23.99% |
| No High School Diploma | 9 | 1.35% |
| GED or Alternate | 28 | 4.2% |
| 1 or More Years of College | 109 | 16.34% |
| Associates Degree | 86 | 12.89% |
| Masters Degree | 49 | 7.35% |
| Professional Degree | 24 | 3.6% |
| Doctorate Degree | 12 | 1.8% |
61428 Geography
| Coordinates | 40.93734741, -90.11833954 |
| Adjacent ZIP Codes | |
| Cities/Towns in 61428 | |
| Region | Davenport-Rock Island-Moline Area |
| Metropolitan/Micropolitan Stat Area | Galesburg, IL |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 30 Square Miles |
61428 Schools
| School Districts in 61428 | |
| Elementary Schools in 61428 | |
| Middle Schools in 61428 | |
| High Schools in 61428 |
61428 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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