57730 ZIP Code Profile, Map, Data & Demographics

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
  • 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: 284
  • PO Box Addresses: 596
  • Residential Addresses: 2,464
    • Multi-Family Addresses: 87
    • Single Family Addresses: 2,377

The ZIP Code maps and database are updated 4 times per year.
Database updated: October 1, 2023, Maps updated: August 11, 2023.

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Custer, SD 57730 Data & Demographics (As of July 1, 2023)

POPULATION

Total Population 5,428 (100%)
Population in Households 5,346 (98.5%)
Population in Families 4,145 (76.4%)
Population in Group Quarters1 82 ( 1.5%)
Population Density 11
Diversity Index2 19
 
 

INCOME

Median Household Income $69,348
Average Household Income $84,072
% of Income for Mortgage4 24%
Per Capita Income $39,523
Wealth Index5 81
Socioeconomic Status Index6 Moderate (52.8)
 

HOUSING

Total HU (Housing Units) 3,277 (100%)
Owner Occupied HU 2,076 (63.4%)
Renter Occupied HU 474 (14.5%)
Vacant Housing Units 727 (22.2%)
Median Home Value $272,750
Average Home Value $323,374
Housing Affordability Index3 103
 

HOUSEHOLDS

Total Households 2,550
Average Household Size 2.10
Family Households 1,539
Average Family Size 3.00
NOTES
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.
  6. The Socioeconomic Index ranges from zero (lowest relative status) to 100 (highest relative status). This measure quantifies disparities in social position of an area's inhabitants and is built from a broad range of demographic, housing, and socioeconomic inputs. More information on this measure can be found in Esri's SEI tutorial.

GROWTH RATE / YEAR

2020-2023 2023-2028
Population 1.95% 0.70%
Households 2.13% 0.90%
Families   0.60%
Median Household Income   2.26%
Per Capita Income   2.35%
Owner Occupied HU   1.22%

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, 2023 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 # 33 91st
Population Density # 107 71st
Median Household Income # 150 60th
Housing Affordability Index # 114 31st
Per Capita Income # 84 77th
Diversity Index # 195 48th

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


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