Elk River, ID Profile: Facts & Data


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Elk River, Idaho - Basic Facts

The City of Elk River had a population of 131 as of July 1, 2020. Elk River ranks in the lower 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 Elk River is located at latitude 46.7835 and longitude -116.1799 in Clearwater County. The formal boundaries for the City of Elk River encompass a land area of 0.15 sq. miles and a water area of 0 sq. miles. Clearwater County is in the Pacific time zone (GMT -8). The elevation is 2,848 feet.

The City of Elk River (GNIS ID: 2410427) 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 Elk River is located within Elk River Division of Clearwater County.

Alternate Unofficial Names for Elk River: Trumbull.


Elk River, ID Data & Demographics (As of July 1, 2020)


Total Population 131 (100%)
Population in Households 131 (100.0%)
Population in Families 106 (80.9%)
Population in Group Quarters1 0
Population Density 903
Diversity Index2 9


Median Household Income $31,489
Average Household Income $45,623
% of Income for Mortgage4 19%
Per Capita Income $23,308
Wealth Index5 41


Total HU (Housing Units) 163 (100%)
Owner Occupied HU 56 (34.4%)
Renter Occupied HU 13 ( 8.0%)
Vacant Housing Units 94 (57.7%)
Median Home Value $139,583
Average Home Value $212,273
Housing Affordability Index3 144


Total Households 69
Average Household Size 1.9
Family Households 44
Average Family Size 2
  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.


2010-2020 2020-2025
Population 0.46% 0.6%
Households 0.58% 0.57%
Families 3.48% 0.45%
Median Household Income   0.99%
Per Capita Income   2.17%
Owner Occupied HU   0.35%


Elk River, ID - Peer Comparisons by Rank and Percentile

The table below compares Elk River to the other 227 incorporated cities, towns and CDPs in Idaho by rank and percentile using July 1, 2020 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 # 202 11th
Population Density # 120 48th
Median Household Income # 221 3rd
Housing Affordability Index # 106 47th
Per Capita Income # 130 43rd
Diversity Index # 221 3rd

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

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