Zip Code 57481 Map and Profile

Official Zip Code NameWestport
Zip Code StateSouth Dakota
Zip Code TypeNon-Unique
Primary County: Brown
Secondary County: McPherson
Area Code605
Current Population:598
Racial Majority:White 68.13%
Public School Racial Majority:White 100%
Unemployment Rate:2.6%
Median Household Income$46485
Average Adjusted Gross Income$64980
School Test Performance:Poor
Average Commute Time21.9 Minutes
Time Zone:Central Daylight Time
Elevation Range1342 - 1496 ft.
Area200 Sqm.
Coordinates(Y,X)45.65227400, -98.66874100

Zip Code 57481 Description

Zip Code 57481 is located in the state of South Dakota in the Sioux Falls (Mitchell) metro area. Zip code 57481 is primarily located in Brown County. Portions of 57481 are also located in McPherson County. The official US Postal Service name for 57481 is WESTPORT, South Dakota. Portions of zip code 57481 are contained within or border the city limits of Westport, SD, Wetonka, SD, . The area code for zip code 57481 is 605. 57481 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in South Dakota.

The current unemployment level in 57481 is 2.6% which is higher than the current county unemployment level of 2.4% and is lower than the current state unemployment at 2.7% and lower than the current national unemployment rate at 5.2%.

According the 2010 US Census, the population of 57481 decreased to 598 from 663 over the past 10 years. The majority ethnicity residing in 57481 is White while the majority ethnicity attending 57481 public schools is White. 0% of students in 57481 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 389 68.13% 580 -33%
 Black Or African American 0 0% 0 +0%
 Hispanic 42 7.36% 5 +740%
 American Indian Or Alaskan Native 131 22.94% 12 +992%
 Asian 0 0% 0 +0%
 Native Hawaiian & Other Pacific Islander 0 0% 0 +0%
 Other Race 0 0% 0 +0%
 Two Or More Races 1 1.58% 1 +800%

Zip Code 57481 Race/Ethnicity

 White 100%
 Black Or African American 0%
 Hispanic 0%
 Asian 0%
 Hawaii/Pacific Islander 0%
 American Indian Or Alaskan Native 0%
 Two or More Races 0%

Zip Code 57481 Public School Race/Ethnicity Profile

Total Population598663
Male Population54.30%
Female Population45.70%
Total Households167
Test Score PerformancePoor
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$46485
Income Under $50K Per Year54.10%
Income $50K to $100K Per Year35.10%
Income Above $100K Per Year10.80%
57481 US Congressional District
DistrictRepresentativeParty Affiliation
South Dakota District 1
Related Maps: Map of All South Dakota Congressional Districts

Average Real Estate Asking Price$100000
Average Real Estate Sale Price$79990
Current Unemployment Level 2.6%
Previous Month Unemployment Level3.3%
Unemployment Level 1 Year Ago4.3%
2012 Hardiness ZoneZone 4a: -30F to -25F
1990 Hardiness ZoneZone 4a: -30F to -25F
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
Ecoregion 46i - Drift Plains
Average First Frost DatesSeptember 21 - 31
Average Last Frost DatesMay 11 - 20

Zip Code 57481 Annual Climate Data

Avg Min Temp (°F)-17193245545957463319531
Avg Max Temp (°F)20273956707884837359382554
Avg Precip (In.).54.491.321.842.753.322.932.311.921.66.8.3820.26
Core Based Statistical
Area (CBSA)
Aberdeen, SD
CBSA Type57481
CBSA Population39762
Time ZoneCentral Daylight Time
IANA Time ZoneAmerica/Chicago
Follows DSTYes
GMT Difference-6 Hours