Spencer, ID Profile: Facts, Map & Data


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Spencer, Idaho - Basic Facts

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The City of Spencer had a population of 36 as of July 1, 2017. Spencer ranks in the lower quartile for Population Density and the upper quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Idaho. See peer rankings below.

The primary coordinate point for Spencer is located at latitude 44.3608 and longitude -112.1868 in Clark County. The formal boundaries for the City of Spencer (see map below) encompass a land area of 1.12 sq. miles and a water area of 0 sq. miles. Clark County is in the Mountain time zone (GMT -7). The elevation is 5,909 feet.

The City of Spencer (GNIS ID: 2411951) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Idaho is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Spencer is located within East Clark Division of Clark County.

Beneath the boundary map are tables with Spencer population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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City of Spencer, ID Boundary Map

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Boundary Maps: East Clark Division | Clark County | Idaho Counties

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Spencer, ID Data & Demographics (As of July 1, 2017)


Total Population 36
Daytime Population: Workers 24
Daytime Population: Residents 19
Total Daytime Population (TDP) 43
Ratio TDP/Total Population1 1.19
Population in Households 36
Population in Familes 30
Population in Group Qrtrs 0
Population Density2 32
Diversity Index3 75


Median Household Income $33,560
Average Household Income $48,991
Per Capita Income $16,746


Total Housing Units 50 (100%)
Owner Occupied HU 11 (22.0%)
Renter Occupied HU 7 (14.0%)
Vacant Housing Units 33 (66.0%)
Median Home Value $112,500
Average Home Value $147,727


Total Households 17
Average Household Size 2.12
Family Households 12
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 -0.38% -0.56%
Households -0.79% 0.0%
Families 1.21% 0.0%
Median Household Income   0.0%
Per Capita Income   1.26%

Spencer, ID - Peer Comparisons by Rank and Percentile

The table below compares Spencer to the other 227 incorporated cities, towns and CDPs in Idaho 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 # 221 3rd
Population Density # 219 4th
Diversity Index # 9 96th
Median Household Income # 207 9th
Per Capita Income # 206 10th

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

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