Custer, SD 57730 ZIP Code Profile

Related Place Profiles:
Custer, SD | Sanator, SD

ZIP Code 57730: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Custer, SD 57730

Acceptable Alternative
Crazy Horse, SD 57730

Not Acceptable, USPS
Bakerville, SD 57730
Bluebell, SD 57730
Game Lodge, SD 57730
Harney Peak, SD 57730
Sanator, SD 57730
Sylvan Lake, SD 57730

  • ZIP Code Type: STANDARD
  • County: Custer County
  • Centroid: Latitude 43.767, Longitude -103.596
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

ZIP Code 57730 has segments in 2 Counties (Custer, Pennington).

  • Businesses Addresses: 287
  • PO Box Addresses: 591
  • Residential Addresses: 2,209
    • Multi-Family Addresses: 82
    • Single Family Addresses: 2,127

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. 57730 2019 Demographic Data
  2. Growth Rates for 57730 (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.


Custer, SD 57730 Data & Demographics (As of July 1, 2019)


Total Population 6,032
Population in Households 5,815
Population in Familes 4,548
Population in Group Qrtrs 217
Population Density2 12
Diversity Index3 19


Median Household Income $56,508
Average Household Income $70,343
Per Capita Income $32,453


Total Housing Units 3,608 (100%)
Owner Occupied HU 2,245 (62.2%)
Renter Occupied HU 533 (14.8%)
Vacant Housing Units 830 (23.0%)
Median Home Value $260,792
Average Home Value $284,844


Total Households 2,778
Average Household Size 2.09
Family Households 1,741
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 1.42% 1.3%
Households 1.64% 1.52%
Families 1.38% 1.34%
Median Household Income   1.93%
Per Capita Income   2.73%

Custer, SD 57730 - Peer Comparisons by Rank and Percentile

The table below compares 57730 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 # 30 92nd
Population Density # 113 70th
Diversity Index # 144 61st
Median Household Income # 177 52nd
Per Capita Income # 127 66th

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

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