ZIP Code 57630 is located in Glencross South Dakota. Portions of 57630 are also in North Dewey. 57630 is entirely within Dewey County. Regionally, 57630 is located in the Sioux Falls Area.
| ZIP Code Name | Glencross |
| Primary County | Dewey County |
| ZIP Code Type | Standard |
| Population (2022) | 31 |
| Area Code(s) | 605 |
| Current Time | MST |
| Population | 31 |
| Population Growth Rate | -23.26% |
| Population Density | 1 People per Square Mile |
| Total Households | 20 |
| Current Unemployment Rate (December 2024) | 1.6% |
| Majority Race/Ethnicty | White - 84.85% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 28 | 84.85% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 5 | 15.15% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 0 | 0% |
| Bachelor Degree | 0 | 0% |
| High School Diploma | 23 | 67.65% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 5 | 14.71% |
| Associates Degree | 3 | 8.82% |
| Masters Degree | 3 | 8.82% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 45.43790817,-100.88851929 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57630 | |
| Region | Sioux Falls Area |
| Time Zone | Mountain Standard Time |
| IANA Timezone | America/Denver |
| Area | 23 Square Miles |
| School Districts in 57630 | |
| Elementary Schools in 57630 | |
| Middle Schools in 57630 | |
| High Schools in 57630 |
| Plant Hardiness Zone | Zone 4b: -25F to -20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | September 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | BSk - Cold Semi-Arid Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 43a - Missouri Plateau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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