ZIP Code 57374 - Spencer South Dakota
Overview
ZIP Code 57374 is located in Spencer South Dakota. Portions of 57374 are also in Spring Lake Township (Hanson County) and Benton Township (Mccook County) and Pearl Township (Mccook County) and Edgerton Township and Jefferson Township (Mccook County). 57374 is primarily within Mccook County, with some portions in Hanson County. Regionally, 57374 is located in the Sioux Falls Area.
ZIP Code 57374 Quick Stats
| ZIP Code Name | Spencer |
| Primary County | Mccook County |
| ZIP Code Type | Standard |
| Population (2022) | 290 |
| Area Code(s) | 605 |
| Current Time | CDT |
ZIP Code 57374 Map
57374 Demographics
57374 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 57374 is White. The current unemployment level in 57374 is 2.2%.
| Population | 290 |
| Population Growth Rate | -0.32% |
| Population Density | 3 People per Square Mile |
| Total Households | 107 |
| Median Household Income (2021) | $68,482 |
| Average Adjusted Gross Income (2021) | $189,370 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicity | White - 99.67% |
57374 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 302 | 99.67% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 1 | 0.33% |
| Hawaiian/Pac. Islander | 0 | 0% |
57374 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 5 | 3.31% |
| Bachelor Degree | 18 | 11.92% |
| High School Diploma | 67 | 44.37% |
| No High School Diploma | 11 | 7.28% |
| GED or Alternate | 2 | 1.32% |
| 1 or More Years of College | 18 | 11.92% |
| Associates Degree | 14 | 9.27% |
| Masters Degree | 15 | 9.93% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 1 | 0.66% |
57374 Geography
| Coordinates | 43.76116943, -97.59806061 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57374 | |
| Region | Sioux Falls Area |
| Metropolitan/Micropolitan Stat Areas | Sioux Falls, SD Mitchell, SD |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 85 Square Miles |
57374 Schools
| School Districts in 57374 | |
| Elementary Schools in 57374 | |
| Middle Schools in 57374 | |
| High Schools in 57374 |
57374 Weather and Climate Data
| Plant Hardiness Zone | Zone 4b: -25F to -20F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfa - Humid Continental Hot Summers | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 46n - James River Lowland | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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