ZIP Code 57449 - Houghton South Dakota
Overview
ZIP Code 57449 is located in Houghton South Dakota. Portions of 57449 are also in Shelby Township and Lansing Township and Columbia Township and Greenfield Township and South Detroit Township and North Detroit Township and Brainard Township. 57449 is entirely within Brown County. Regionally, 57449 is located in the Sioux Falls Area.
ZIP Code 57449 Quick Stats
| ZIP Code Name | Houghton |
| Primary County | Brown County |
| ZIP Code Type | Standard |
| Population (2022) | 333 |
| Area Code(s) | 605 |
| Current Time | CDT |
ZIP Code 57449 Map
57449 Demographics
The majority race/ethnicity residing in 57449 is White. The current unemployment level in 57449 is 2.2%.
| Population | 333 |
| Population Growth Rate | 57.32% |
| Population Density | 4 People per Square Mile |
| Total Households | 78 |
| Percentage High Income Households | 7.7% |
| Current Unemployment Rate (May 2026) | 2.2% |
| Sales Tax Rate (2025) | 4.2% |
| Majority Race/Ethnicity | White - 87.6% |
57449 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 226 | 87.6% |
| Black | 32 | 12.4% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
57449 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 20 | 18.02% |
| Bachelor Degree | 16 | 14.41% |
| High School Diploma | 52 | 46.85% |
| No High School Diploma | 0 | 0% |
| GED or Alternate | 9 | 8.11% |
| 1 or More Years of College | 14 | 12.61% |
| Associates Degree | 0 | 0% |
| Masters Degree | 0 | 0% |
| Professional Degree | 0 | 0% |
| Doctorate Degree | 0 | 0% |
57449 Geography
| Coordinates | 45.73779678, -98.18791199 |
| Adjacent ZIP Codes | |
| Cities/Towns in 57449 | |
| Region | Sioux Falls Area |
| Metropolitan/Micropolitan Stat Area | Aberdeen, SD |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| Area | 84 Square Miles |
57449 Schools
| School Districts in 57449 | |
| Elementary Schools in 57449 | |
| Middle Schools in 57449 | |
| High Schools in 57449 |
57449 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 | 46d - Glacial Lake Deltas | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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