ZIP Code 57470 is located in Rockham South Dakota. Portions of 57470 are also in Pioneer Township and Carlton Township and Linn Township and Hillsdale Township and Plato Township and Zell Township and Rockham (town) and Wheaton Township and Park Township. 57470 is primarily within Hand County, with some portions in Faulk County. Regionally, 57470 is located in the Sioux Falls Area.
| ZIP Code Name | Rockham |
| Primary County | Hand County |
| ZIP Code Type | Standard |
| Population (2022) | 117 |
| Area Code(s) | 605 |
| Current Time | CST |
57470 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in South Dakota. The majority race/ethnicity residing in 57470 is White. The current unemployment level in 57470 is 2.1%.
| Population | 117 |
| Population Growth Rate | -40.40% |
| Population Density | 1 People per Square Mile |
| Total Households | 41 |
| Median Household Income (2021) | $77,656 |
| Current Unemployment Rate (October 2024) | 2.1% |
| Majority Race/Ethnicty | White - 100.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 56 | 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 | 0 | 0% |
| Bachelor Degree | 4 | 4.82% |
| High School Diploma | 61 | 73.49% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 14 | 16.87% |
| Associates Degree | 4 | 4.82% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
| Coordinates | 44.89340973,-98.84945679 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57470 | |
| Region | Sioux Falls Area |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| Area | 146 Square Miles |
| School Districts in 57470 | |
| Elementary Schools in 57470 | |
| Middle Schools in 57470 | |
| High Schools in 57470 |
| Plant Hardiness Zone | Zone 4a: -30F to -25F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | September 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 46n - James River Lowland | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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