Ammon, ID Demographics

A map of Ammon's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	16,062	15,124	84.3%	85.5%
Hispanic	2,205	1,574	11.6%	8.9%
Multiracial	426	512	2.2%	2.9%
Asian	232	265	1.2%	1.5%
Native American/Other	122	153	0.6%	0.9%
Black	17	66	0.1%	0.4%

Ammon, Idaho has an estimated population of 19,064, an increase from the 17,694 recorded in the 2020 Census. The population is 84.3% White, 11.6% Hispanic, 2.2% Multiracial, 1.2% Asian, 0.6% Native American/Other, and 0.1% Black. This demographic dot map shows the population of Ammon, with one dot drawn for each person counted by the Census, color-coded by race.

Ammon has become more racially diverse since the 2020 Census. It is considerably less diverse than Idaho overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Ammon, that probability was 26.0% in 2020 and 27.6% in the most recent ACS estimates.

Ammon is ranked the 15th most populous place in Idaho, out of 236 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Ammon was ranked the 15th most populous place in the 2020 Census.

Ammon's White Population

16,062 residents of Ammon, or 84.3% of the population, identify as White. The share of White residents in Ammon is higher than in Idaho overall, where 78.6% of the population is White. Ammon ranks 122nd statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, Ammon's White population has grown by an estimated 6.2%. White residents' share of Ammon's population has decreased from 85.5% to 84.3%.

Ammon is more White than neighboring Lincoln (75.3% White), Idaho Falls (77.5% White), and Shelley (76.9% White). Ammon is less White than neighboring Iona (87.7% White), and Ucon (90.8% White).

Ammon's Black Population

17 residents of Ammon, or 0.1% of the population, identify as Black. The share of Black residents in Ammon is comparable to the share in Idaho overall, where 0.7% of the population is Black. Ammon ranks 54th statewide in terms of Black residents as a share of the population, out of 236 places.

Since the 2020 Census, Ammon's Black population has declined by an estimated 74.2%. Black residents' share of Ammon's population has remained roughly unchanged at 0.1%.

Ammon is more Black than neighboring Lincoln (0% Black), and Iona (0% Black). Ammon is less Black than neighboring Idaho Falls (0.5% Black), Ucon (0.6% Black), and Shelley (0.3% Black).

Ammon's Asian Population

232 residents of Ammon, or 1.2% of the population, identify as Asian. The share of Asian residents in Ammon is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Ammon ranks 17th statewide in terms of Asian residents as a share of the population, out of 236 places.

Since the 2020 Census, Ammon's Asian population has declined by an estimated 12.5%. Asian residents' share of Ammon's population has remained roughly unchanged at 1.2%.

Ammon is more Asian than neighboring Lincoln (0.7% Asian), Idaho Falls (0.5% Asian), Ucon (0% Asian), and Shelley (0.5% Asian). Ammon is less Asian than neighboring Iona (1.3% Asian).

Ammon's Hispanic Population

2,205 residents of Ammon, or 11.6% of the population, identify as Hispanic. The share of Hispanic residents in Ammon is comparable to the share in Idaho overall, where 13.6% of the population is Hispanic. Ammon ranks 95th statewide in terms of Hispanic residents as a share of the population, out of 236 places.

Since the 2020 Census, Ammon's Hispanic population has grown by an estimated 40.1%. Hispanic residents' share of Ammon's population has increased from 8.9% to 11.6%.

Ammon is more Hispanic than neighboring Iona (7.8% Hispanic), and Ucon (4.5% Hispanic). Ammon is less Hispanic than neighboring Lincoln (17.1% Hispanic), Idaho Falls (16.7% Hispanic), and Shelley (16.2% Hispanic).

Ammon's Native American/Other Population

122 residents of Ammon, or 0.6% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Ammon is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Ammon ranks 144th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

Since the 2020 Census, Ammon's Native American/Other population has declined by an estimated 20.3%. Native American/Other residents' share of Ammon's population has remained roughly unchanged at 0.6%.

Ammon is more Native American/Other than neighboring Iona (0.4% Native American/Other), Ucon (0% Native American/Other), and Shelley (0% Native American/Other). Ammon is less Native American/Other than neighboring Lincoln (1% Native American/Other), and Idaho Falls (1% Native American/Other).

Ammon's Multiracial Population

426 residents of Ammon, or 2.2% of the population, identify as Multiracial. The share of Multiracial residents in Ammon is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Ammon ranks 161st statewide in terms of Multiracial residents as a share of the population, out of 236 places.

Since the 2020 Census, Ammon's Multiracial population has declined by an estimated 16.8%. Multiracial residents' share of Ammon's population has decreased from 2.9% to 2.2%.

Ammon is less Multiracial than neighboring Lincoln (5.8% Multiracial), Iona (2.7% Multiracial), Idaho Falls (3.8% Multiracial), Ucon (4% Multiracial), and Shelley (6.1% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.