ZIP Code 57311 - Alexandria South Dakota
Overview
ZIP Code 57311 is located in Alexandria South Dakota. Portions of 57311 are also in Farmer and Oak Lane Colony and Rockport Colony and Rosedale Colony and Beulah Township (Hanson County) and Wayne Township (Hanson County) and Edgerton Township and Jasper Township and Fairview Township (Hanson County) and Pleasant Township (Hanson County) and Rosedale Township (Hanson County) and Spring Lake Township (Hanson County) and Worthen Township and Farmer (town) and Clayton Township. 57311 is entirely within Hanson County. Regionally, 57311 is located in the Sioux Falls Area.
ZIP Code 57311 Quick Stats
| ZIP Code Name | Alexandria |
| Primary County | Hanson County |
| ZIP Code Type | Standard |
| Population (2022) | 1,699 |
| Area Code(s) | 605 |
| Current Time | CDT |
ZIP Code 57311 Map
57311 Demographics
57311 can be classified socioeconomically as 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 57311 is White. The majority race/ethnicity attending public schools in 57311 is White. The current unemployment level in 57311 is 2.2%.
| Population | 1,699 |
| Population Growth Rate | 13.96% |
| Population Density | 10 People per Square Mile |
| Total Households | 447 |
| Percentage High Income Households | 0.7% |
| Median Household Income (2021) | $82,917 |
| Average Adjusted Gross Income (2021) | $305,750 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicity | White - 100% |
| Public School Majority Race/Ethnicity | White - 93.93% |
57311 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 1,589 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
57311 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 387 | 97.48% |
| Black | 1 | 0.25% |
| Hispanic | 5 | 1.26% |
| Asian | 0 | 0% |
| Native American | 4 | 1.01% |
| Hawaiian/Pac. Islander | 0 | 0% |
57311 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 32 | 3.83% |
| Bachelor Degree | 178 | 21.29% |
| High School Diploma | 290 | 34.69% |
| No High School Diploma | 2 | 0.24% |
| GED or Alternate | 45 | 5.38% |
| 1 or More Years of College | 89 | 10.65% |
| Associates Degree | 107 | 12.8% |
| Masters Degree | 59 | 7.06% |
| Professional Degree | 4 | 0.48% |
| Doctorate Degree | 30 | 3.59% |
57311 Geography
| Coordinates | 43.65789032, -97.7602005 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57311 | FarmerOak Lane ColonyRockport ColonyRosedale ColonyBeulah Township (Hanson County)Wayne Township (Hanson County)Edgerton TownshipJasper TownshipFairview Township (Hanson County)Pleasant Township (Hanson County)Rosedale Township (Hanson County)Spring Lake Township (Hanson County)Worthen TownshipFarmer (town)Clayton Township |
| Region | Sioux Falls Area |
| Metropolitan/Micropolitan Stat Area | Mitchell, SD |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 167 Square Miles |
57311 Schools
| School Districts in 57311 | |
| Elementary Schools in 57311 | |
| Middle Schools in 57311 | |
| High Schools in 57311 |
57311 Weather and Climate Data
| Plant Hardiness Zone | Zone 5a: -20F to -15F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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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