Melba, ID Demographics

A map of Melba's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	464	360	75.2%	62.9%
Hispanic	148	171	24.0%	29.9%
Multiracial	5	38	0.8%	6.6%
Black	0	1	0.0%	0.2%
Asian	0	1	0.0%	0.2%
Native American/Other	0	1	0.0%	0.2%

Melba, Idaho has an estimated population of 617, an increase from the 572 recorded in the 2020 Census. The population is 75.2% White, 24.0% Hispanic, 0.8% Multiracial, 0.0% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Melba, with one dot drawn for each person counted by the Census, color-coded by race.

Melba has become considerably less racially diverse since the 2020 Census. It is 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 Melba, that probability was 51.0% in 2020 and 37.7% in the most recent ACS estimates.

Melba is ranked the 129th 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). Melba was ranked the 126th most populous place in the 2020 Census.

Melba's White Population

464 residents of Melba, or 75.2% of the population, identify as White. The share of White residents in Melba is slightly lower than in Idaho overall, where 78.6% of the population is White. Melba ranks 200th statewide in terms of White residents as a share of the population, out of 236 places.

Since the 2020 Census, Melba's White population has grown by an estimated 28.9%. White residents' share of Melba's population has increased from 62.9% to 75.2%.

Melba is more White than neighboring Murphy (51.8% White), Nampa (67.3% White), and Caldwell (56% White). Melba is less White than neighboring Kuna (85% White), and Meridian (80.6% White).

Melba's Black Population

0 residents of Melba, or 0.0% of the population, identify as Black. The share of Black residents in Melba is comparable to the share in Idaho overall, where 0.7% of the population is Black. Melba ranks 107th statewide in terms of Black residents as a share of the population, out of 236 places.

Since the 2020 Census, Melba's Black population has declined by an estimated 100.0%. Black residents' share of Melba's population has remained roughly unchanged at 0.0%.

Melba is less Black than neighboring Kuna (0.4% Black), Nampa (1.2% Black), Meridian (1.2% Black), and Caldwell (0.3% Black).

Melba's Asian Population

0 residents of Melba, or 0.0% of the population, identify as Asian. The share of Asian residents in Melba is comparable to the share in Idaho overall, where 1.3% of the population is Asian. Melba ranks 152nd statewide in terms of Asian residents as a share of the population, out of 236 places.

Since the 2020 Census, Melba's Asian population has declined by an estimated 100.0%. Asian residents' share of Melba's population has remained roughly unchanged at 0.0%.

Melba is less Asian than neighboring Kuna (1.1% Asian), Nampa (0.6% Asian), Meridian (2.4% Asian), and Caldwell (0.9% Asian).

Melba's Hispanic Population

148 residents of Melba, or 24.0% of the population, identify as Hispanic. The share of Hispanic residents in Melba is considerably higher than in Idaho overall, where 13.6% of the population is Hispanic. Melba ranks 31st statewide in terms of Hispanic residents as a share of the population, out of 236 places.

Since the 2020 Census, Melba's Hispanic population has declined by an estimated 13.5%. Hispanic residents' share of Melba's population has decreased from 29.9% to 24.0%.

Melba is more Hispanic than neighboring Kuna (9.4% Hispanic), and Meridian (10.5% Hispanic). Melba is less Hispanic than neighboring Murphy (33.5% Hispanic), Nampa (25.4% Hispanic), and Caldwell (36.8% Hispanic).

Melba's Native American/Other Population

0 residents of Melba, 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 Melba is comparable to the share in Idaho overall, where 1.5% of the population is Native American/Other. Melba ranks 203rd statewide in terms of Native American/Other residents as a share of the population, out of 236 places.

Since the 2020 Census, Melba's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Melba's population has remained roughly unchanged at 0.0%.

Melba is less Native American/Other than neighboring Kuna (0.3% Native American/Other), Nampa (1.2% Native American/Other), Meridian (1% Native American/Other), and Caldwell (1.9% Native American/Other).

Melba's Multiracial Population

5 residents of Melba, or 0.8% of the population, identify as Multiracial. The share of Multiracial residents in Melba is slightly lower than in Idaho overall, where 4.2% of the population is Multiracial. Melba ranks 22nd statewide in terms of Multiracial residents as a share of the population, out of 236 places.

Since the 2020 Census, Melba's Multiracial population has declined by an estimated 86.8%. Multiracial residents' share of Melba's population has decreased from 6.6% to 0.8%.

Melba is less Multiracial than neighboring Murphy (14.7% Multiracial), Kuna (3.8% Multiracial), Nampa (4.2% Multiracial), Meridian (4.3% Multiracial), and Caldwell (4.1% 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.