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: 138
    • Multi-Family Addresses: 0
    • Single Family Addresses: 138

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

Jump to... (On This Page!)
  1. 57440 2018 Demographic Data
  2. Growth Rates for 57440 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Dakota Research Tools (Easy Tools & Current Data)
  3. South Dakota Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Frankfort, SD 57440 Data & Demographics (As of July 1, 2018)


Total Population 606
Population in Households 547
Population in Familes 448
Population in Group Qrtrs 59
Population Density2 5
Diversity Index3 10


Median Household Income $53,371
Average Household Income $87,469
Per Capita Income $24,614


Total Housing Units 195 (100%)
Owner Occupied HU 120 (61.5%)
Renter Occupied HU 42 (21.5%)
Vacant Housing Units 33 (16.9%)
Median Home Value $83,784
Average Home Value $168,125


Total Households 162
Average Household Size 3.38
Family Households 105
Average Family Size 4
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  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.


2010-2018 2018-2023
Population 0.53% -0.03%
Households 0.78% 0.12%
Families 0.59% 0.0%
Median Household Income   2.99%
Per Capita Income   2.79%

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, 2018 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 # 192 48th
Population Density # 198 47th
Diversity Index # 275 25th
Median Household Income # 162 56th
Per Capita Income # 299 19th

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

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