Declo, ID Demographics

A map of Declo's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	335	246	70.2%	72.8%
Hispanic	115	70	24.1%	20.7%
Multiracial	26	13	5.5%	3.8%
Native American/Other	1	2	0.2%	0.6%
Black	0	0	0.0%	0.0%
Asian	0	7	0.0%	2.1%

Declo, Idaho has an estimated population of 477, a dramatic increase from the 338 recorded in the 2020 Census. The population is 70.2% White, 24.1% Hispanic, 5.5% Multiracial, 0.2% Native American/Other, 0.0% Black, and 0.0% Asian. This demographic dot map shows the population of Declo, with one dot drawn for each person counted by the Census, color-coded by race.

Declo has become more racially diverse since the 2020 Census. It is considerably more 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 Declo, that probability was 42.5% in 2020 and 44.6% in the most recent ACS estimates.

Declo is ranked the 149th 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). Declo was ranked the 160th most populous place in the 2020 Census.

Declo's White Population

335 residents of Declo, or 70.2% of the population, identify as White. The share of White residents in Declo is lower than in Idaho overall, where 78.6% of the population is White. Declo ranks 182nd statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, Declo's White population has grown by an estimated 36.2%. White residents' share of Declo's population has decreased from 72.8% to 70.2%.

Declo is more White than neighboring Rupert (46% White), Acequia (60.1% White), and Burley (57.1% White). Declo is less White than neighboring Albion (88.8% White), and Heyburn (73.5% White).

Declo's Black Population

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

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

Declo is less Black than neighboring Burley (0.6% Black).

Declo's Asian Population

0 residents of Declo, or 0.0% of the population, identify as Asian. The share of Asian residents in Declo is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Declo ranks 12th statewide in terms of Asian residents as a share of the population, out of 236 places.

Since the 2020 Census, Declo's Asian population has declined by an estimated 100.0%. Asian residents' share of Declo's population has decreased from 2.1% to 0.0%.

Declo is less Asian than neighboring Rupert (0.5% Asian), Heyburn (0.2% Asian), and Burley (0.4% Asian).

Declo's Hispanic Population

115 residents of Declo, or 24.1% of the population, identify as Hispanic. The share of Hispanic residents in Declo is considerably higher than in Idaho overall, where 13.6% of the population is Hispanic. Declo ranks 49th statewide in terms of Hispanic residents as a share of the population, out of 236 places.

Since the 2020 Census, Declo's Hispanic population has grown by an estimated 64.3%. Hispanic residents' share of Declo's population has increased from 20.7% to 24.1%.

Declo is more Hispanic than neighboring Albion (7.7% Hispanic), and Heyburn (20.1% Hispanic). Declo is less Hispanic than neighboring Rupert (52.3% Hispanic), Acequia (31.4% Hispanic), and Burley (34.5% Hispanic).

Declo's Native American/Other Population

1 residents of Declo, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Declo is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Declo ranks 172nd statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

Since the 2020 Census, Declo's Native American/Other population has declined by an estimated 50.0%. Native American/Other residents' share of Declo's population has remained roughly unchanged at 0.2%.

Declo is more Native American/Other than neighboring Albion (0% Native American/Other), and Acequia (0% Native American/Other). Declo is less Native American/Other than neighboring Rupert (0.3% Native American/Other), Heyburn (3% Native American/Other), and Burley (3.1% Native American/Other).

Declo's Multiracial Population

26 residents of Declo, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Declo is comparable to the share in Idaho overall, where 4.2% of the population is Multiracial. Declo ranks 115th statewide in terms of Multiracial residents as a share of the population, out of 236 places.

Since the 2020 Census, Declo's Multiracial population has grown by an estimated 100.0%. Multiracial residents' share of Declo's population has increased from 3.8% to 5.5%.

Declo is more Multiracial than neighboring Rupert (0.9% Multiracial), Albion (3.5% Multiracial), Heyburn (3.2% Multiracial), and Burley (4.3% Multiracial). Declo is less Multiracial than neighboring Acequia (8.5% 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.