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: 292
  • PO Box Addresses: 608
  • Residential Addresses: 2,110
    • Multi-Family Addresses: 83
    • Single Family Addresses: 2,027

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.


57730 ZIP Code Map

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Custer, SD 57730 Data & Demographics (As of July 1, 2017)


Total Population 5,652
Daytime Population: Workers 2,884
Daytime Population: Residents 3,047
Total Daytime Population (TDP) 5,931
Ratio TDP/Total Population1 1.05
Population in Households 5,434
Population in Familes 4,271
Population in Group Qrtrs 218
Population Density2 10
Diversity Index3 19


Median Household Income $49,896
Average Household Income $61,828
Per Capita Income $29,060


Total Housing Units 3,451 (100%)
Owner Occupied HU 1,907 (55.3%)
Renter Occupied HU 661 (19.2%)
Vacant Housing Units 883 (25.6%)
Median Home Value $250,803
Average Home Value $273,741


Total Households 2,568
Average Household Size 2.12
Family Households 1,634
Average Family Size 3
  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 0.81% 0.9%
Households 0.89% 0.98%
Families 0.77% 0.89%
Median Household Income   3.84%
Per Capita Income   3.89%

Custer, SD 57730 - Peer Comparisons by Rank and Percentile

The table below compares 57730 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 # 32 92nd
Population Density # 118 68th
Diversity Index # 137 63rd
Median Household Income # 206 44th
Per Capita Income # 161 57th

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

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