ZIP Code 57657 - Trail City South Dakota
Overview
ZIP Code 57657 is located in Trail City South Dakota. Portions of 57657 are also in East Corson and North Dewey and Ridgeland Township. 57657 is primarily within Corson County, with some portions in Dewey County. Regionally, 57657 is located in the Minot-Bismark-Dickinson Area.
ZIP Code 57657 Quick Stats
| ZIP Code Name | Trail City |
| Primary County | Corson County |
| ZIP Code Type | Standard |
| Population (2022) | 218 |
| Area Code(s) | 605 |
| Current Time | MDT |
ZIP Code 57657 Map
57657 Demographics
57657 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in South Dakota. The majority race/ethnicity residing in 57657 is White. The current unemployment level in 57657 is 2.2%.
| Population | 218 |
| Population Growth Rate | 0% |
| Population Density | 1 People per Square Mile |
| Total Households | 110 |
| Percentage High Income Households | 2.7% |
| Median Household Income (2021) | $130,417 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 4.2% |
| Majority Race/Ethnicity | White - 52.36% |
57657 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 111 | 52.36% |
| Black | 0 | 0% |
| Hispanic | 2 | 0.94% |
| Asian | 0 | 0% |
| Native American | 99 | 46.7% |
| Hawaiian/Pac. Islander | 0 | 0% |
57657 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 0 | 0% |
| Bachelor Degree | 13 | 7.14% |
| High School Diploma | 85 | 46.7% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 51 | 28.02% |
| Associates Degree | 30 | 16.48% |
| Masters Degree | 3 | 1.65% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
57657 Geography
| Coordinates | 45.49479294, -100.76355743 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57657 | |
| Regions | Minot-Bismark-Dickinson Area Sioux Falls Area |
| Time Zone | Mountain Daylight Time |
| IANA Timezone | America/Denver |
| Area | 230 Square Miles |
57657 Schools
| School Districts in 57657 | |
| Elementary Schools in 57657 | |
| Middle Schools in 57657 | |
| High Schools in 57657 |
57657 Weather and Climate Data
| Plant Hardiness Zone | Zone 4b: -25F to -20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | September 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | BSk - Cold Semi-Arid Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 43a - Missouri Plateau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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