Willow Lake, SD Profile: Facts & Data


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Willow Lake, South Dakota - Basic Facts

The City of Willow Lake had a population of 247 as of July 1, 2022.

The primary coordinate point for Willow Lake is located at latitude 44.6275 and longitude -97.637 in Clark County. The formal boundaries for the City of Willow Lake encompass a land area of 0.37 sq. miles and a water area of 0 sq. miles. Clark County is in the Central time zone (GMT -6). The elevation is 1,785 feet.

The City of Willow Lake has a C5 Census Class Code which indicates an active incorporated place that is independent of any county subdivision and serves as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

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  1. Willow Lake 2022 Demographic Data
  2. Growth Rates for Willow Lake (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. South Dakota Research Tools (Easy Tools & Current Data)
  3. South Dakota Data Comparison Tool - 2022 Demographics

Willow Lake, SD Data & Demographics (As of July 1, 2022)


Total Population 247 (100%)
Population in Households 204 (82.6%)
Population in Families 167 (67.6%)
Population in Group Quarters1 43 (17.4%)
Population Density 663
Diversity Index2 12


Median Household Income $58,341
Average Household Income $73,845
% of Income for Mortgage4 12%
Per Capita Income $21,242
Wealth Index5 66


Total HU (Housing Units) 132 (100%)
Owner Occupied HU 93 (70.5%)
Renter Occupied HU 14 (10.6%)
Vacant Housing Units 26 (19.7%)
Median Home Value $135,526
Average Home Value $193,280
Housing Affordability Index3 210


Total Households 106
Average Household Size 1.92
Family Households 68
Average Family Size 2.00
  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.


2020-2022 2022-2027
Population -1.41% 0.95%
Households 1.72% 0.74%
Families   0.29%
Median Household Income   2.40%
Per Capita Income   2.72%
Owner Occupied HU   0.64%

Willow Lake, SD - Peer Comparisons by Rank and Percentile

The table below compares Willow Lake to the other 486 incorporated cities, towns and CDPs in South Dakota by rank and percentile using July 1, 2022 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 # 210 57th
Population Density # 156 68th
Median Household Income # 292 40th
Housing Affordability Index # 396 81st
Per Capita Income # 433 11th
Diversity Index # 354 27th

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

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