Ammon, ID Profile: Facts & Data


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Ammon, Idaho - Basic Facts

The City of Ammon had a population of 16,753 as of July 1, 2020. Ammon ranks in the upper quartile for Population Density when compared to the other cities, towns and Census Designated Places (CDPs) in Idaho. See peer rankings below.

The primary coordinate point for Ammon is located at latitude 43.4696 and longitude -111.9666 in Bonneville County. The formal boundaries for the City of Ammon encompass a land area of 7.3 sq. miles and a water area of 0.01 sq. miles. Bonneville County is in the Mountain time zone (GMT -7). The elevation is 4,715 feet.

The City of Ammon (GNIS ID: 2409701) 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 Ammon is located within Idaho Falls Division of Bonneville County.


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


Total Population 16,753 (100%)
Population in Households 16,628 (99.3%)
Population in Families 14,646 (87.4%)
Population in Group Quarters1 125 ( 0.7%)
Population Density 2,206
Diversity Index2 29


Median Household Income $71,279
Average Household Income $91,396
% of Income for Mortgage4 13%
Per Capita Income $30,308
Wealth Index5 89


Total HU (Housing Units) 5,633 (100%)
Owner Occupied HU 3,324 (59.0%)
Renter Occupied HU 2,026 (36.0%)
Vacant Housing Units 283 ( 5.0%)
Median Home Value $228,999
Average Home Value $295,847
Housing Affordability Index3 190


Total Households 5,350
Average Household Size 3.11
Family Households 3,974
Average Family Size 4
  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 1.9% 1.6%
Households 1.83% 1.57%
Families 1.68% 1.45%
Median Household Income   1.56%
Per Capita Income   2.1%
Owner Occupied HU   1.54%


Ammon, ID - Peer Comparisons by Rank and Percentile

The table below compares Ammon 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 # 15 94th
Population Density # 35 85th
Median Household Income # 12 95th
Housing Affordability Index # 167 74th
Per Capita Income # 45 81st
Diversity Index # 103 55th

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

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