Frankfort, SD 57440 ZIP Code Profile

Related Place Profiles:
Frankfort, SD | Spink Colony, SD

ZIP Code 57440: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Frankfort, SD 57440

Not Acceptable, USPS
Spink Colony, SD 57440

  • ZIP Code Type: STANDARD
  • County: Spink County
  • Centroid: Latitude 44.761, Longitude -98.28
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 8
  • PO Box Addresses: 19
  • Residential Addresses: 134
    • Multi-Family Addresses: 0
    • Single Family Addresses: 134

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


57440 ZIP Code Map

Search the map for:

Frankfort, SD 57440 Data & Demographics (As of July 1, 2017)


Total Population 603
Daytime Population: Workers 179
Daytime Population: Residents 316
Total Daytime Population (TDP) 495
Ratio TDP/Total Population1 0.82
Population in Households 545
Population in Familes 444
Population in Group Qrtrs 58
Population Density2 5
Diversity Index3 8


Median Household Income $55,391
Average Household Income $90,387
Per Capita Income $25,059


Total Housing Units 194 (100%)
Owner Occupied HU 125 (64.4%)
Renter Occupied HU 34 (17.5%)
Vacant Housing Units 35 (18.0%)
Median Home Value $79,167
Average Home Value $154,800


Total Households 159
Average Household Size 3.43
Family Households 104
Average Family Size 4
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.83% 0.49%
Households 0.9% 0.62%
Families 0.82% 0.38%
Median Household Income   3.7%
Per Capita Income   4.18%

Frankfort, SD 57440 - Peer Comparisons by Rank and Percentile

The table below compares 57440 to the other 368 ZIP Codes in South Dakota by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 193 48th
Population Density # 194 46th
Diversity Index # 300 19th
Median Household Income # 107 71st
Per Capita Income # 270 27th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

South Dakota Research Tools

South Dakota Census Data Comparison Tool

Compare South Dakota Census Data
Highest or Lowest: