ZIP Code 57430 is located in Britton South Dakota. Portions of 57430 are also in Westwood Colony and Kidder and Sunset Colony and Miller Township (Marshall County) and Pleasant Valley Township (Marshall County) and Newark Township and Stena Township and Victor Township (Marshall County) and White Township and Lowell Township and Dayton Township (Marshall County) and Nordland Township and Waverly Township (Marshall County) and Hamilton Township (Marshall County) and Wismer Township and Sisseton Township (Marshall County). 57430 is entirely within Marshall County. Regionally, 57430 is located in the Sioux Falls Area.
| ZIP Code Name | Britton |
| Primary County | Marshall County |
| ZIP Code Type | Standard |
| Population (2022) | 1,900 |
| Area Code(s) | 605 |
| Current Time | CST |
57430 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in South Dakota based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 57430 is White. The majority race/ethnicity attending public schools in 57430 is White. The current unemployment level in 57430 is 2.1%.
| Population | 1,900 |
| Population Growth Rate | 0.00% |
| Population Density | 5 People per Square Mile |
| Total Households | 844 |
| Percentage High Income Households | 2.7% |
| Median Household Income (2021) | $74,250 |
| Average Adjusted Gross Income (2021) | $429,920 |
| Current Unemployment Rate (October 2024) | 2.1% |
| Majority Race/Ethnicty | White - 95.49% |
| Public School Majority Race/Ethnicty | White - 90.74% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 1,777 | 95.49% |
| Black | 4 | 0.21% |
| Hispanic | 71 | 3.82% |
| Asian | 0 | 0% |
| Native American | 9 | 0.48% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 392 | 93.33% |
| Black | 4 | 0.95% |
| Hispanic | 17 | 4.05% |
| Asian | 3 | 0.71% |
| Native American | 3 | 0.71% |
| Hawaiian/Pac. Islander | 1 | 0.24% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 103 | 6.79% |
| Bachelor Degree | 236 | 15.55% |
| High School Diploma | 534 | 35.18% |
| No High School Diploma | 2 | 0.13% |
| GED or Alternate | 33 | 2.17% |
| 1 or More Years of College | 271 | 17.85% |
| Associates Degree | 264 | 17.39% |
| Masters Degree | 33 | 2.17% |
| Professional Degree | 16 | 1.05% |
| Doctorate Degree | 26 | 1.71% |
| Coordinates | 45.81319046,-97.70920563 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57430 | Westwood Colony, Kidder, Sunset Colony, Miller Township (Marshall County), Pleasant Valley Township (Marshall County), Newark Township, Stena Township, Victor Township (Marshall County), White Township, Lowell Township, Dayton Township (Marshall County), Nordland Township, Waverly Township (Marshall County), Hamilton Township (Marshall County), Wismer Township, Sisseton Township (Marshall County) |
| Region | Sioux Falls Area |
| Time Zone | Central Standard Time |
| IANA Timezone | America/Chicago |
| Area | 397 Square Miles |
| School Districts in 57430 | |
| Middle Schools in 57430 | |
| High Schools in 57430 |
| 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 | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 46c - Glacial Lake Basins | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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