US > South Dakota > Charles Mix County > Platte, SD 57369

57369 ZIP Code Profile, Map, Data & Demographics

Related Place Profiles:
Academy, SD | Platte, SD
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ZIP Code 57369: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Platte, SD 57369

Acceptable Alternative
Academy, SD 57369

Not Acceptable, USPS
Eagle, SD 57369

  • ZIP Code Type: STANDARD
  • County: Charles Mix County
  • Centroid: Latitude 43.405, Longitude -98.888
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 57369 has segments in 3 Counties (Aurora, Charles Mix, Douglas).

  • Businesses Addresses: 160
  • PO Box Addresses: 300
  • Residential Addresses: 673
    • Multi-Family Addresses: 27
    • Single Family Addresses: 646

The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated: May 1, 2024.

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Platte, SD 57369 Data & Demographics (As of July 1, 2025)

POPULATION

Total Population 2,714 (100%)
Population in Households 2,532 (93.3%)
Population in Families 2,114 (77.9%)
Population in Group Quarters1 182 ( 6.7%)
Population Density 6
Diversity Index2 14
 
 

INCOME

Median Household Income $69,465
Average Household Income $81,093
% of Income for Mortgage4 21%
Per Capita Income $29,228
Wealth Index5 61
Socioeconomic Status Index6 Moderate (54.5)
 

HOUSING

Total HU (Housing Units) 1,119 (100%)
Owner Occupied HU 773 (69.1%)
Renter Occupied HU 197 (17.6%)
Vacant Housing Units 149 (13.3%)
Median Home Value $229,770
Average Home Value $275,838
Housing Affordability Index3 107
 

HOUSEHOLDS

Total Households 970
Average Household Size 2.61
Family Households 623
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

 2020-2025 2025-2030
Population 0.03% -0.59%
Households 0.48% -0.99%
Families   -1.49%
Median Household Income   1.83%
Per Capita Income   1.54%
Owner Occupied HU   -0.66%

Platte, SD 57369 - Peer Comparisons by Rank and Percentile

The table below compares 57369 to the other 371 ZIP Codes in South Dakota by rank and percentile using July 1, 2025 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 # 53 86th
Population Density # 171 55th
Median Household Income # 239 36th
Housing Affordability Index # 183 49th
Per Capita Income # 310 17th
Diversity Index # 295 20th

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


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