Gardiner, ME Demographics

A map of Gardiner's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	5,355	5,373	88.0%	90.1%
Multiracial	306	352	5.0%	5.9%
Hispanic	198	118	3.3%	2.0%
Black	90	44	1.5%	0.7%
Native American/Other	86	45	1.4%	0.8%
Asian	53	29	0.9%	0.5%

Gardiner, Maine has an estimated population of 6,088, a slight increase from the 5,961 recorded in the 2020 Census. The population is 88.0% White, 5.0% Multiracial, 3.3% Hispanic, 1.5% Black, 1.4% Native American/Other, and 0.9% Asian. This demographic dot map shows the population of Gardiner, with one dot drawn for each person counted by the Census, color-coded by race.

Gardiner has become more racially diverse since the 2020 Census. It is more diverse than Maine overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Gardiner, that probability was 18.4% in 2020 and 22.2% in the most recent ACS estimates.

Gardiner is ranked the 28th most populous place in Maine, out of 155 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). Gardiner was ranked the 27th most populous place in the 2020 Census.

Gardiner's White Population

5,355 residents of Gardiner, or 88.0% of the population, identify as White. The share of White residents in Gardiner is comparable to the share in Maine overall, where 89.9% of the population is White. Gardiner ranks 119th statewide in terms of White residents as a share of the population, out of 155 places.

Since the 2020 Census, Gardiner's White population has remained roughly the same. White residents' share of Gardiner's population has decreased from 90.1% to 88.0%.

Gardiner is more White than neighboring Augusta (87.7% White). Gardiner is less White than neighboring Randolph (94.1% White), Farmingdale (94.1% White), Richmond (98.9% White), and Hallowell (98.7% White).

Gardiner's Black Population

90 residents of Gardiner, or 1.5% of the population, identify as Black. The share of Black residents in Gardiner is comparable to the share in Maine overall, where 1.8% of the population is Black. Gardiner ranks 60th statewide in terms of Black residents as a share of the population, out of 155 places.

Since the 2020 Census, Gardiner's Black population has grown by an estimated 104.5%. Black residents' share of Gardiner's population has increased from 0.7% to 1.5%.

Gardiner is more Black than neighboring Randolph (0% Black), Farmingdale (0% Black), Richmond (0% Black), and Hallowell (0.2% Black). Gardiner is less Black than neighboring Augusta (2.3% Black).

Gardiner's Asian Population

53 residents of Gardiner, or 0.9% of the population, identify as Asian. The share of Asian residents in Gardiner is comparable to the share in Maine overall, where 1.1% of the population is Asian. Gardiner ranks 98th statewide in terms of Asian residents as a share of the population, out of 155 places.

Since the 2020 Census, Gardiner's Asian population has grown by an estimated 82.8%. Asian residents' share of Gardiner's population has remained roughly unchanged at 0.9%.

Gardiner is more Asian than neighboring Randolph (0% Asian), Farmingdale (0% Asian), Richmond (0% Asian), and Hallowell (0.2% Asian). Gardiner is less Asian than neighboring Augusta (1.3% Asian).

Gardiner's Hispanic Population

198 residents of Gardiner, or 3.3% of the population, identify as Hispanic. The share of Hispanic residents in Gardiner is comparable to the share in Maine overall, where 2.2% of the population is Hispanic. Gardiner ranks 57th statewide in terms of Hispanic residents as a share of the population, out of 155 places.

Since the 2020 Census, Gardiner's Hispanic population has grown by an estimated 67.8%. Hispanic residents' share of Gardiner's population has increased from 2.0% to 3.3%.

Gardiner is more Hispanic than neighboring Farmingdale (0% Hispanic), Richmond (0% Hispanic), Hallowell (0.4% Hispanic), and Augusta (2.3% Hispanic). Gardiner is less Hispanic than neighboring Randolph (3.8% Hispanic).

Gardiner's Native American/Other Population

86 residents of Gardiner, or 1.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Gardiner is comparable to the share in Maine overall, where 0.7% of the population is Native American/Other. Gardiner ranks 69th statewide in terms of Native American/Other residents as a share of the population, out of 155 places.

Since the 2020 Census, Gardiner's Native American/Other population has grown by an estimated 91.1%. Native American/Other residents' share of Gardiner's population has increased from 0.8% to 1.4%.

Gardiner is more Native American/Other than neighboring Randolph (0% Native American/Other), Farmingdale (0% Native American/Other), Richmond (0% Native American/Other), Hallowell (0.1% Native American/Other), and Augusta (0.8% Native American/Other).

Gardiner's Multiracial Population

306 residents of Gardiner, or 5.0% of the population, identify as Multiracial. The share of Multiracial residents in Gardiner is comparable to the share in Maine overall, where 4.2% of the population is Multiracial. Gardiner ranks 6th statewide in terms of Multiracial residents as a share of the population, out of 155 places.

Since the 2020 Census, Gardiner's Multiracial population has declined by an estimated 13.1%. Multiracial residents' share of Gardiner's population has decreased from 5.9% to 5.0%.

Gardiner is more Multiracial than neighboring Randolph (2.1% Multiracial), Richmond (1.1% Multiracial), and Hallowell (0.4% Multiracial). Gardiner is less Multiracial than neighboring Farmingdale (5.9% Multiracial), and Augusta (5.6% 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.