ZIP Code 57640 is located in Lodgepole South Dakota. Portions of 57640 are also in North Perkins and Horse Creek Township and Grand River Township and Cash Township and Wilson Township (Perkins County) and Lodgepole Township and Fredlund Township. 57640 is entirely within Perkins County. Regionally, 57640 is located in the Rapid City Area.
| ZIP Code Name | Lodgepole |
| Primary County | Perkins County |
| ZIP Code Type | Standard |
| Population (2022) | 44 |
| Area Code(s) | 605 |
| Current Time | MST |
57640 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in South Dakota. The majority race/ethnicity residing in 57640 is White. The current unemployment level in 57640 is 1.7%.
| Population | 44 |
| Population Growth Rate | -26.27% |
| Population Density | 0 People per Square Mile |
| Total Households | 99 |
| Median Household Income (2021) | $100,833 |
| Current Unemployment Rate (January 2025) | 1.7% |
| Majority Race/Ethnicty | White - 100.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 87 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 25 | 14.2% |
| Bachelor Degree | 27 | 15.34% |
| High School Diploma | 39 | 22.16% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 6 | 3.41% |
| 1 or More Years of College | 51 | 28.98% |
| Associates Degree | 2 | 1.14% |
| Masters Degree | 22 | 12.5% |
| Professional Degree | 4 | 2.27% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 45.79810715,-102.73185730 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57640 | |
| Region | Rapid City Area |
| Time Zone | Mountain Standard Time |
| IANA Timezone | America/Denver |
| Area | 335 Square Miles |
| School Districts in 57640 | |
| Elementary Schools in 57640 | |
| Middle Schools in 57640 | |
| High Schools in 57640 |
| Plant Hardiness Zone | Zone 4a: -30F to -25F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | September 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | BSk - Cold Semi-Arid Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 43a - Missouri Plateau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||