Trail City, SD 57657 ZIP Code Profile


ZIP Code 57657: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Trail City, SD 57657

  • ZIP Code Type: STANDARD
  • County: Corson County
  • Centroid: Latitude 45.414, Longitude -100.705
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

ZIP Code 57657 has segments in 2 Counties (Corson, Dewey).

  • Businesses Addresses: 3
  • PO Box Addresses: 21
  • Residential Addresses: 38
    • Multi-Family Addresses: 0
    • Single Family Addresses: 38

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2019, Maps updated: August 2, 2019.

Jump to... (On This Page!)
  1. 57657 2019 Demographic Data
  2. Growth Rates for 57657 (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 - 2019 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, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Trail City, SD 57657 Data & Demographics (As of July 1, 2019)


Total Population 135
Population in Households 135
Population in Familes 115
Population in Group Qrtrs 0
Population Density2 1
Diversity Index3 55


Median Household Income $45,963
Average Household Income $65,756
Per Capita Income $25,815


Total Housing Units 64 (100%)
Owner Occupied HU 34 (53.1%)
Renter Occupied HU 19 (29.7%)
Vacant Housing Units 11 (17.2%)
Median Home Value $100,000
Average Home Value $143,382


Total Households 53
Average Household Size 2.55
Family Households 38
Average Family Size 3
  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.


2010-2019 2019-2024
Population 0.33% 0.44%
Households 0.42% 0.37%
Families 0.29% 0.52%
Median Household Income   3.1%
Per Capita Income   2.93%

Trail City, SD 57657 - Peer Comparisons by Rank and Percentile

The table below compares 57657 to the other 370 ZIP Codes in South Dakota by rank and percentile using July 1, 2019 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 # 323 13th
Population Density # 345 8th
Diversity Index # 18 95th
Median Household Income # 308 17th
Per Capita Income # 287 23rd

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

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