Timber Lake, SD Profile: Facts, Map & Data


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Timber Lake, South Dakota - Basic Facts

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The City of Timber Lake had a population of 449 as of July 1, 2016. Timber Lake ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in South Dakota. See peer rankings below.

The primary coordinate point for Timber Lake is located at latitude 45.428 and longitude -101.0747 in Dewey County. The formal boundaries for the City of Timber Lake (see map below) encompass a land area of 0.41 sq. miles and a water area of 0 sq. miles. Dewey County is in the Mountain time zone (GMT -7). The elevation is 2,169 feet.

The City of Timber Lake (GNIS ID: 1267600) 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.

Beneath the boundary map are tables with Timber Lake population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2016.

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City of Timber Lake, SD Boundary Map

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


Total Population 449
Population in Households 449
Population in Familes 380
Population in Group Qrtrs 0
Population Density1 1,104
Diversity Index2 56


Total Households 183
Average Household Size 2.45
Family Households 128
Average Family Size 3


Total Housing Units 215 (100%)
Owner Occupied HU 134 (62.3%)
Renter Occupied HU 49 (22.8%)
Vacant Housing Units 32 (14.9%)
Median Home Value $66,667
Average Home Value $109,888


Median Household Income $39,506
Average Household Income $63,557
Per Capita Income $23,640
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.22% 0.62%
Households 0.35% 0.65%
Families 2.45% 0.62%
Median Household Income   1.64%
Per Capita Income   1.78%
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.

Timber Lake, SD - Peer Comparisons by Rank and Percentile

The table below compares Timber Lake to the other 391 incorporated cities, towns and CDPs 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 # 158 60th
Population Density1 # 78 80th
Diversity Index2 # 11 97th
Median Household Income # 306 22nd
Per Capita Income # 278 29th

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

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