Custer, SD 57730 ZIP Code Profile

Related Place Profiles:
Custer, SD | Sanator, SD

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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
  • Businesses Addresses: 292
  • Single Family Addresses: 2,049
  • Multi-Family Addresses: 83
  • 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).

Neighborhood 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 certain data.


57730 ZIP Code Map

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Custer, SD 57730 Data & Demographics (As of July 1, 2016)


Total Population 5,636
Population in Households 5,418
Population in Familes 4,265
Population in Group Qrtrs 218
Population Density1 10
Diversity Index2 19


Total Households 2,582
Average Household Size 2.1
Family Households 1,634
Average Family Size 3


Total Housing Units 3,414 (100%)
Owner Occupied HU 1,893 (55.4%)
Renter Occupied HU 689 (20.2%)
Vacant Housing Units 832 (24.4%)
Median Home Value $229,380
Average Home Value $270,827


Median Household Income $45,882
Average Household Income $57,711
Per Capita Income $27,409
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.23% 1.03%
Households 1.49% 1.19%
Families 1.28% 1.04%
Median Household Income   2.38%
Per Capita Income   2.03%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

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, 2016 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 # 31 92nd
Population Density1 # 116 69th
Diversity Index2 # 140 62nd
Median Household Income # 222 40th
Per Capita Income # 172 54th

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

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