ZIP Code 61277 - Prophetstown Illinois
Overview
ZIP Code 61277 is located in Prophetstown Illinois. Portions of 61277 are also in Lyndon and Prophetstown Township and Portland Township and Yorktown Township and Loraine Township and Tampico Township and Hume Township and Lyndon Township and Fenton Township. 61277 is primarily within Whiteside County, with some portions in Henry County. Regionally, 61277 is located in the Davenport-Rock Island-Moline Area.
ZIP Code 61277 Quick Stats
| ZIP Code Name | Prophetstown |
| Primary County | Whiteside County |
| ZIP Code Type | Standard |
| Population (2022) | 2,978 |
| Area Code(s) | 309 / 779 / 815 |
| Current Time | CDT |
ZIP Code 61277 Map
61277 Demographics
61277 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 61277 is White. The majority race/ethnicity attending public schools in 61277 is White. The current unemployment level in 61277 is 5.2%.
| Population | 2,978 |
| Population Growth Rate | 0% |
| Population Density | 23 People per Square Mile |
| Total Households | 1,209 |
| Percentage High Income Households | 0.7% |
| Median Household Income (2021) | $80,294 |
| Average Adjusted Gross Income (2021) | $341,420 |
| Current Unemployment Rate (May 2026) | 5.2% |
| Sales Tax Rate (2025) | 7.8% |
| Majority Race/Ethnicity | White - 97.98% |
| Public School Majority Race/Ethnicity | White - 91.64% |
61277 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 3,057 | 97.98% |
| Black | 17 | 0.54% |
| Hispanic | 39 | 1.25% |
| Asian | 3 | 0.1% |
| Native American | 4 | 0.13% |
| Hawaiian/Pac. Islander | 0 | 0% |
61277 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 592 | 95.64% |
| Black | 6 | 0.97% |
| Hispanic | 21 | 3.39% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
61277 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 162 | 8.24% |
| Bachelor Degree | 237 | 12.05% |
| High School Diploma | 681 | 34.62% |
| No High School Diploma | 25 | 1.27% |
| GED or Alternate | 76 | 3.86% |
| 1 or More Years of College | 425 | 21.61% |
| Associates Degree | 213 | 10.83% |
| Masters Degree | 134 | 6.81% |
| Professional Degree | 14 | 0.71% |
| Doctorate Degree | 0 | 0% |
61277 Geography
| Coordinates | 41.60612488, -89.93897247 |
| Adjacent ZIP Codes | |
| Cities/Towns in 61277 | |
| Region | Davenport-Rock Island-Moline Area |
| Metropolitan/Micropolitan Stat Areas | Sterling, IL Davenport-Moline-Rock Island, IA-IL |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 132 Square Miles |
61277 Schools
| School Districts in 61277 | |
| Elementary Schools in 61277 | |
| Middle Schools in 61277 | |
| High Schools in 61277 |
61277 Weather and Climate Data
| Plant Hardiness Zone | Zone 5b: -15F to -10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 54d - Sand Area | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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