ZIP Code 61257 - Hillsdale Illinois
Overview
ZIP Code 61257 is located in Hillsdale Illinois. Portions of 61257 are also in Joslin and East Moline and Zuma Township and Canoe Creek Township and Coe Township and Cordova Township. 61257 is entirely within Rock Island County. Regionally, 61257 is located in the Davenport-Rock Island-Moline Area.
ZIP Code 61257 Quick Stats
| ZIP Code Name | Hillsdale |
| Primary County | Rock Island County |
| ZIP Code Type | Standard |
| Population (2022) | 836 |
| Area Code(s) | 309 |
| Current Time | CDT |
ZIP Code 61257 Map
61257 Demographics
61257 can be classified socioeconomically as Lower 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 61257 is White. The current unemployment level in 61257 is 5.2%.
| Population | 836 |
| Population Growth Rate | 0% |
| Population Density | 21 People per Square Mile |
| Total Households | 513 |
| Percentage High Income Households | 0.4% |
| Median Household Income (2021) | $55,250 |
| Average Adjusted Gross Income (2021) | $171,990 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 8.5% |
| Majority Race/Ethnicity | White - 93.87% |
61257 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 873 | 93.87% |
| Black | 0 | 0% |
| Hispanic | 57 | 6.13% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
61257 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 49 | 6.59% |
| Bachelor Degree | 142 | 19.09% |
| High School Diploma | 289 | 38.84% |
| No High School Diploma | 12 | 1.61% |
| GED or Alternate | 11 | 1.48% |
| 1 or More Years of College | 161 | 21.64% |
| Associates Degree | 78 | 10.48% |
| Masters Degree | 2 | 0.27% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
61257 Geography
| Coordinates | 41.59101486, -90.2210083 |
| Adjacent ZIP Codes | |
| Cities/Towns in 61257 | |
| Region | Davenport-Rock Island-Moline Area |
| Metropolitan/Micropolitan Stat Area | Davenport-Moline-Rock Island, IA-IL |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 40 Square Miles |
61257 Schools
| School Districts in 61257 | |
| Elementary Schools in 61257 | |
| Middle Schools in 61257 | |
| High Schools in 61257 |
61257 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 | 72d - Upper Mississippi Alluvial Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||