Willow Lake, SD 57278 ZIP Code Profile

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Willow Lake, SD

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ZIP Code 57278: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Willow Lake, SD 57278

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 28
  • Single Family Addresses: 212
  • Multi-Family Addresses: 0
  • County: Clark County
  • Centroid: Latitude 44.633, Longitude -97.735
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

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.


57278 ZIP Code Map

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Willow Lake, SD 57278 Data & Demographics (As of July 1, 2016)


Total Population 661
Population in Households 554
Population in Familes 461
Population in Group Qrtrs 107
Population Density1 4
Diversity Index2 22


Total Households 253
Average Household Size 2.19
Family Households 170
Average Family Size 3


Total Housing Units 312 (100%)
Owner Occupied HU 215 (68.9%)
Renter Occupied HU 38 (12.2%)
Vacant Housing Units 59 (18.9%)
Median Home Value $81,349
Average Home Value $121,163


Median Household Income $51,550
Average Household Income $63,387
Per Capita Income $26,318
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population -1.0% -0.58%
Households -0.56% -0.24%
Families -0.73% -0.36%
Median Household Income   1.37%
Per Capita Income   2.11%
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.

Willow Lake, SD 57278 - Peer Comparisons by Rank and Percentile

The table below compares 57278 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 # 184 50th
Population Density1 # 226 39th
Diversity Index2 # 111 70th
Median Household Income # 132 64th
Per Capita Income # 208 44th

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

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