ZIP Code 83555 - Winchester Idaho
Overview
ZIP Code 83555 is located in Winchester Idaho. 83555 is primarily within Lewis County, with some portions in Nez Perce County. Regionally, 83555 is located in the Spokane Area.
ZIP Code 83555 Quick Stats
| ZIP Code Name | Winchester |
| Primary County | Lewis County |
| ZIP Code Type | Standard |
| Population (2022) | 386 |
| Area Code(s) | 208 / 986 |
| Current Time | PDT |
ZIP Code 83555 Map
83555 Demographics
83555 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Idaho based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 83555 is White. The current unemployment level in 83555 is 4%.
| Population | 386 |
| Population Growth Rate | 0% |
| Population Density | 8 People per Square Mile |
| Total Households | 238 |
| Median Household Income (2021) | $54,250 |
| Average Adjusted Gross Income (2021) | $136,100 |
| Current Unemployment Rate (May 2026) | 4% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 95.11% |
83555 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 350 | 95.11% |
| Black | 2 | 0.54% |
| Hispanic | 10 | 2.72% |
| Asian | 0 | 0% |
| Native American | 6 | 1.63% |
| Hawaiian/Pac. Islander | 0 | 0% |
83555 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 37 | 10.54% |
| Bachelor Degree | 27 | 7.69% |
| High School Diploma | 158 | 45.01% |
| No High School Diploma | 4 | 1.14% |
| GED or Alternate | 20 | 5.7% |
| 1 or More Years of College | 66 | 18.8% |
| Associates Degree | 35 | 9.97% |
| Masters Degree | 4 | 1.14% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
83555 Geography
| Coordinates | 46.19432449, -116.6505661 |
| Adjacent ZIP Codes | |
| Region | Spokane Area |
| Metropolitan/Micropolitan Stat Area | Lewiston, ID-WA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
| Area | 46 Square Miles |
83555 Schools
| School Districts in 83555 |
83555 Weather and Climate Data
| Plant Hardiness Zone | Zone 6a: -10F to -5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | September 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | June 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 15f - Grassy Potlatch Ridges | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||