ZIP Code 57473 - Seneca South Dakota
Overview
ZIP Code 57473 is located in Seneca South Dakota. Portions of 57473 are also in Southwest Faulk and Ellisville Township and Irving Township and O'Neil Township and Seneca (town) and East Potter. 57473 is entirely within Faulk County. Regionally, 57473 is located in the Sioux Falls Area.
ZIP Code 57473 Quick Stats
| ZIP Code Name | Seneca |
| Primary County | Faulk County |
| ZIP Code Type | Standard |
| Population (2022) | 288 |
| Area Code(s) | 605 |
| Current Time | CDT |
ZIP Code 57473 Map
57473 Demographics
57473 can be classified socioeconomically as Lower Class class compared to other ZIP Codes in South Dakota. The majority race/ethnicity residing in 57473 is White. The current unemployment level in 57473 is 2.2%.
| Population | 288 |
| Population Growth Rate | 70.83% |
| Population Density | 2 People per Square Mile |
| Total Households | 79 |
| Percentage High Income Households | 2.5% |
| Median Household Income (2021) | $22,206 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 4.2% |
| Majority Race/Ethnicity | White - 100% |
57473 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 328 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
57473 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 8 | 5.97% |
| Bachelor Degree | 10 | 7.46% |
| High School Diploma | 72 | 53.73% |
| No High School Diploma | 5 | 3.73% |
| GED or Alternate | 0 | 0% |
| 1 or More Years of College | 6 | 4.48% |
| Associates Degree | 32 | 23.88% |
| Masters Degree | 1 | 0.75% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
57473 Geography
| Coordinates | 44.99503708, -99.44137573 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57473 | |
| Region | Sioux Falls Area |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 189 Square Miles |
57473 Schools
| School Districts in 57473 | |
| Elementary Schools in 57473 | |
| Middle Schools in 57473 | |
| High Schools in 57473 |
57473 Weather and Climate Data
| 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 | Dwa - Humid Continental Hot Summers With Dry Winters | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 42a - Missouri Coteau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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