Downey, ID Profile: Facts & Data


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Downey, Idaho - Basic Facts

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The City of Downey had a population of 730 as of July 1, 2021. Downey 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 Downey is located at latitude 42.4285 and longitude -112.1244 in Bannock County. The formal boundaries for the City of Downey encompass a land area of 0.99 sq. miles and a water area of 0 sq. miles. Bannock County is in the Mountain time zone (GMT -7). The elevation is 4,865 feet.

The City of Downey 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 Downey is located within South Bannock Division of Bannock County.

Jump to... (On This Page!)
  1. Downey 2021 Demographic Data
  2. Growth Rates for Downey (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Idaho Research Tools (Easy Tools & Current Data)
  3. Idaho Data Comparison Tool - 2021 Demographics

Downey, ID Data & Demographics (As of July 1, 2021)


Total Population 730 (100%)
Population in Households 730 (100.0%)
Population in Families 632 (86.6%)
Population in Group Quarters1 0
Population Density 746
Diversity Index2 12


Median Household Income $49,184
Average Household Income $72,376
% of Income for Mortgage4 16%
Per Capita Income $27,237
Wealth Index5 70


Total HU (Housing Units) 332 (100%)
Owner Occupied HU 238 (71.7%)
Renter Occupied HU 61 (18.4%)
Vacant Housing Units 33 ( 9.9%)
Median Home Value $185,238
Average Home Value $295,378
Housing Affordability Index3 163


Total Households 299
Average Household Size 2.44
Family Households 213
Average Family Size 3
  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.


2010-2021 2021-2026
Population 1.39% 1.26%
Households 1.42% 1.24%
Families 2.13% 1.1%
Median Household Income   2.86%
Per Capita Income   5.48%
Owner Occupied HU   1.55%

Downey, ID - Peer Comparisons by Rank and Percentile

The table below compares Downey to the other 227 incorporated cities, towns and CDPs in Idaho by rank and percentile using July 1, 2021 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 # 115 50th
Population Density # 138 40th
Median Household Income # 156 32nd
Housing Affordability Index # 158 70th
Per Capita Income # 97 58th
Diversity Index # 210 8th

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

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