Mackay, ID Demographics

A map of Mackay's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	537	414	89.2%	94.3%
Hispanic	50	7	8.3%	1.6%
Multiracial	15	12	2.5%	2.7%
Black	0	0	0.0%	0.0%
Asian	0	4	0.0%	0.9%
Native American/Other	0	2	0.0%	0.5%

Mackay, Idaho has an estimated population of 602, a dramatic increase from the 439 recorded in the 2020 Census. The population is 89.2% White, 8.3% Hispanic, 2.5% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Mackay, with one dot drawn for each person counted by the Census, color-coded by race.

Mackay has become considerably 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 Mackay, that probability was 10.9% in 2020 and 19.7% in the most recent ACS estimates.

Mackay is ranked the 132nd 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). Mackay was ranked the 145th most populous place in the 2020 Census.

Mackay's White Population

537 residents of Mackay, or 89.2% of the population, identify as White. The share of White residents in Mackay is considerably higher than in Idaho overall, where 78.6% of the population is White. Mackay ranks 16th statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, Mackay's White population has grown by an estimated 29.7%. White residents' share of Mackay's population has decreased from 94.3% to 89.2%.

Mackay is more White than neighboring Lost River (76.4% White), Arco (84.6% White), Butte City (61.1% White), and Carey (49.3% White). Mackay is less White than neighboring Moore (94.3% White).

Mackay's Black Population

0 residents of Mackay, or 0.0% of the population, identify as Black. The share of Black residents in Mackay is comparable to the share in Idaho overall, where 0.7% of the population is Black. Mackay ranks 134th statewide in terms of Black residents as a share of the population, out of 236 places.

Since the 2020 Census, Mackay's Black population has grown from 0 to an estimated 0. Black residents' share of Mackay's population has remained roughly unchanged at 0.0%.

Mackay is less Black than neighboring Lost River (10.9% Black).

Mackay's Asian Population

0 residents of Mackay, or 0.0% of the population, identify as Asian. The share of Asian residents in Mackay is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Mackay ranks 43rd statewide in terms of Asian residents as a share of the population, out of 236 places.

Since the 2020 Census, Mackay's Asian population has declined by an estimated 100.0%. Asian residents' share of Mackay's population has decreased from 0.9% to 0.0%.

Mackay is less Asian than neighboring Lost River (7.3% Asian).

Mackay's Hispanic Population

50 residents of Mackay, or 8.3% of the population, identify as Hispanic. The share of Hispanic residents in Mackay is lower than in Idaho overall, where 13.6% of the population is Hispanic. Mackay ranks 219th statewide in terms of Hispanic residents as a share of the population, out of 236 places.

Since the 2020 Census, Mackay's Hispanic population has grown by an estimated 614.3%. Hispanic residents' share of Mackay's population has increased from 1.6% to 8.3%.

Mackay is more Hispanic than neighboring Lost River (5.5% Hispanic), Moore (1.3% Hispanic), and Arco (6.7% Hispanic). Mackay is less Hispanic than neighboring Butte City (11.6% Hispanic), and Carey (50.7% Hispanic).

Mackay's Native American/Other Population

0 residents of Mackay, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Mackay is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Mackay ranks 186th statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

Since the 2020 Census, Mackay's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Mackay's population has decreased from 0.5% to 0.0%.

Mackay's Multiracial Population

15 residents of Mackay, or 2.5% of the population, identify as Multiracial. The share of Multiracial residents in Mackay is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Mackay ranks 173rd statewide in terms of Multiracial residents as a share of the population, out of 236 places.

Since the 2020 Census, Mackay's Multiracial population has grown by an estimated 25.0%. Multiracial residents' share of Mackay's population has remained roughly unchanged at 2.5%.

Mackay is more Multiracial than neighboring Lost River (0% Multiracial), and Carey (0% Multiracial). Mackay is less Multiracial than neighboring Moore (4.4% Multiracial), Arco (8.7% Multiracial), and Butte City (27.4% 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.