Mound City, SD 57646 ZIP Code Profile

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Mound City, SD

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ZIP Code 57646: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Mound City, SD 57646

Not Acceptable, USPS
Campbell, SD 57646

  • ZIP Code Type: STANDARD
  • County: Campbell County
  • Centroid: Latitude 45.675, Longitude -100.049
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 17
  • PO Box Addresses: 34
  • Residential Addresses: 66
    • Multi-Family Addresses: 0
    • Single Family Addresses: 66

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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57646 ZIP Code Map

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Mound City, SD 57646 Data & Demographics (As of July 1, 2017)


Total Population 209
Daytime Population: Workers 130
Daytime Population: Residents 97
Total Daytime Population (TDP) 227
Ratio TDP/Total Population1 1.09
Population in Households 209
Population in Familes 160
Population in Group Qrtrs 0
Population Density2 1
Diversity Index3 8


Median Household Income $40,734
Average Household Income $59,804
Per Capita Income $28,901


Total Housing Units 132 (100%)
Owner Occupied HU 83 (62.9%)
Renter Occupied HU 18 (13.6%)
Vacant Housing Units 31 (23.5%)
Median Home Value $51,389
Average Home Value $131,928


Total Households 101
Average Household Size 2.07
Family Households 61
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 -0.26% -0.1%
Households 0.0% 0.2%
Families 0.0% 0.0%
Median Household Income   4.18%
Per Capita Income   3.81%

Mound City, SD 57646 - Peer Comparisons by Rank and Percentile

The table below compares 57646 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 # 295 20th
Population Density # 315 15th
Diversity Index # 302 19th
Median Household Income # 313 15th
Per Capita Income # 166 55th

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

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