ZIP Code 57433 - Columbia South Dakota
Overview
ZIP Code 57433 is located in Columbia South Dakota. Portions of 57433 are also in Columbia Township and Brainard Township and Garland Township and Cambria Township and Ordway Township and Shelby Township. 57433 is entirely within Brown County. Regionally, 57433 is located in the Sioux Falls Area.
ZIP Code 57433 Quick Stats
| ZIP Code Name | Columbia |
| Primary County | Brown County |
| ZIP Code Type | Standard |
| Population (2022) | 355 |
| Area Code(s) | 605 |
| Current Time | CDT |
ZIP Code 57433 Map
57433 Demographics
57433 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 57433 is White. The current unemployment level in 57433 is 2.2%.
| Population | 355 |
| Population Growth Rate | 0% |
| Population Density | 3 People per Square Mile |
| Total Households | 213 |
| Percentage High Income Households | 0.5% |
| Median Household Income (2021) | $66,429 |
| Average Adjusted Gross Income (2021) | $216,680 |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 6.2% |
| Majority Race/Ethnicity | White - 99.48% |
57433 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 384 | 99.48% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 2 | 0.52% |
| Hawaiian/Pac. Islander | 0 | 0% |
57433 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 65 | 19.06% |
| Bachelor Degree | 55 | 16.13% |
| High School Diploma | 83 | 24.34% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 16 | 4.69% |
| 1 or More Years of College | 66 | 19.35% |
| Associates Degree | 40 | 11.73% |
| Masters Degree | 13 | 3.81% |
| Professional Degree | 3 | 0.88% |
| Doctorate Degree | 0 | 0% |
57433 Geography
| Coordinates | 45.64613342, -98.31614685 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57433 | |
| Region | Sioux Falls Area |
| Metropolitan/Micropolitan Stat Area | Aberdeen, SD |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 130 Square Miles |
57433 Schools
| School Districts in 57433 | |
| Elementary Schools in 57433 | |
| Middle Schools in 57433 | |
| High Schools in 57433 |
57433 Weather and Climate Data
| 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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