ZIP Code 57226 - Clear Lake South Dakota
Overview
ZIP Code 57226 is located in Clear Lake South Dakota. Portions of 57226 are also in Altamont and Altamont Township and Havana Township and Clear Lake Township (Deuel County) and Brandt Township and Hidewood Township and Portland Township and Altamont (town) and Hamlin Township and Glenwood Township (Deuel County) and Goodwin Township and Lowe Township. 57226 is primarily within Deuel County, with some portions in Hamlin County. Regionally, 57226 is located in the Sioux Falls Area.
ZIP Code 57226 Quick Stats
| ZIP Code Name | Clear Lake |
| Primary County | Deuel County |
| ZIP Code Type | Standard |
| Population (2022) | 1,820 |
| Area Code(s) | 605 |
| Current Time | CDT |
ZIP Code 57226 Map
57226 Demographics
57226 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 57226 is White. The majority race/ethnicity attending public schools in 57226 is White. The current unemployment level in 57226 is 2.2%.
| Population | 1,820 |
| Population Growth Rate | 0% |
| Population Density | 10 People per Square Mile |
| Total Households | 856 |
| Percentage High Income Households | 1.8% |
| Median Household Income (2021) | $65,000 |
| Average Adjusted Gross Income (2021) | $339,980 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicity | White - 93.18% |
| Public School Majority Race/Ethnicity | White - 93.38% |
57226 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,748 | 93.18% |
| Black | 1 | 0.05% |
| Hispanic | 120 | 6.4% |
| Asian | 0 | 0% |
| Native American | 7 | 0.37% |
| Hawaiian/Pac. Islander | 0 | 0% |
57226 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 508 | 94.42% |
| Black | 4 | 0.74% |
| Hispanic | 24 | 4.46% |
| Asian | 0 | 0% |
| Native American | 2 | 0.37% |
| Hawaiian/Pac. Islander | 0 | 0% |
57226 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 82 | 6.24% |
| Bachelor Degree | 195 | 14.84% |
| High School Diploma | 516 | 39.27% |
| No High School Diploma | 19 | 1.45% |
| GED or Alternate | 36 | 2.74% |
| 1 or More Years of College | 222 | 16.89% |
| Associates Degree | 166 | 12.63% |
| Masters Degree | 57 | 4.34% |
| Professional Degree | 21 | 1.6% |
| Doctorate Degree | 0 | 0% |
57226 Geography
| Coordinates | 44.77297211, -96.72871399 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57226 | |
| Region | Sioux Falls Area |
| Metropolitan/Micropolitan Stat Area | Watertown, SD |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 174 Square Miles |
57226 Schools
| School Districts in 57226 | |
| Elementary Schools in 57226 | |
| Middle Schools in 57226 | |
| High Schools in 57226 |
57226 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 | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 46k - Prairie Coteau | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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