Zip Code 57440 Map and Profile

Official Zip Code NameFrankfort
Zip Code StateSouth Dakota
Zip Code TypeNon-Unique
Primary County: Spink
Area Code605
Current Population:612
Racial Majority:White 83.65%
Public School Racial Majority:White 100%
Unemployment Rate:2.8%
Median Household Income$40827
Average Adjusted Gross Income$69180
School Test Performance:Poor
Average Commute Time10.9 Minutes
Time Zone:Central Standard Time
Elevation Range1263 - 1326 ft.
Area113 Sqm.
Coordinates(Y,X)44.83627900, -98.26212300

Zip Code 57440 Description

Zip Code 57440 is located in the state of South Dakota in the Sioux Falls (Mitchell) metro area. Zip code 57440 is primarily located in Spink County. The official US Postal Service name for 57440 is FRANKFORT, South Dakota. Portions of zip code 57440 are contained within or border the city limits of Frankfort, SD, . The area code for zip code 57440 is 605. 57440 can be classified socioeconically as a Lower Middle Class class zipcode in comparison to other zipcodes in South Dakota.

The current unemployment level in 57440 is 2.8% which is higher than the current county unemployment level of 2.6% and is lower than the current state unemployment at 2.9% and lower than the current national unemployment rate at 4.8%.

According the 2010 US Census, the population of 57440 decreased to 612 from 626 over the past 10 years. The majority ethnicity residing in 57440 is White while the majority ethnicity attending 57440 public schools is White. 80.4% of students in 57440 public schools receive or are eligible to participate in free or reduced lunch programs.

 White 440 83.65% 585 -25%
 Black Or African American 0 0% 0 +0%
 Hispanic 64 12.17% 15 +327%
 American Indian Or Alaskan Native 22 4.18% 5 +340%
 Asian 0 0% 0 +0%
 Native Hawaiian & Other Pacific Islander 0 0% 0 +0%
 Other Race 0 0% 0 +0%
 Two Or More Races 7 0% 7 -100%

Zip Code 57440 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 57440 Public School Race/Ethnicity Profile

Total Population612626
Male Population50.50%
Female Population49.50%
Total Households165
Test Score PerformancePoor
Percentage of Students Eligible For
Free or Reduced Lunch
Percentage of Public Schools with
Title 1 Status
Median Household Income$40827
Income Under $50K Per Year66.10%
Income $50K to $100K Per Year23.30%
Income Above $100K Per Year10.60%
57440 US Congressional District
DistrictRepresentativeParty Affiliation
South Dakota District 1
Related Maps: Map of All South Dakota Congressional Districts

Average Real Estate Asking Price$94590
Average Real Estate Sale Price$86156
Current Unemployment Level 2.8%
Previous Month Unemployment Level2.6%
Unemployment Level 1 Year Ago3.3%
2012 Hardiness ZoneZone 4a: -30F to -25F
1990 Hardiness ZoneZone 4a: -30F to -25F
Köppen Climate ClassificationDfa - Humid Continental Hot Summers
Ecoregion 46c - Glacial Lake Basins
Average First Frost DatesSeptember 21 - 31
Average Last Frost DatesMay 11 - 20

Zip Code 57440 Annual Climate Data

Avg Min Temp (°F)19213345546057463420732
Avg Max Temp (°F)23304259718087857561412857
Avg Precip (In.).4.541.2322.943.192.952.41.851.65.69.3420.19
Core Based Statistical
Area (CBSA)
CBSA Population0
Time ZoneCentral Standard Time
IANA Time ZoneAmerica/Chicago
Follows DSTYes
GMT Difference-6 Hours