Auburn, ME Demographics

A map of Auburn's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	21,913	20,903	89.1%	86.9%
Black	850	1,053	3.5%	4.4%
Multiracial	745	1,123	3.0%	4.7%
Hispanic	737	582	3.0%	2.4%
Asian	303	237	1.2%	1.0%
Native American/Other	54	163	0.2%	0.7%

Auburn, Maine has an estimated population of 24,602, a slight increase from the 24,061 recorded in the 2020 Census. The population is 89.1% White, 3.5% Black, 3.0% Hispanic, 3.0% Multiracial, 1.2% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Auburn, with one dot drawn for each person counted by the Census, color-coded by race.

Auburn has become less 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 Auburn, that probability was 24.1% in 2020 and 20.3% in the most recent ACS estimates.

Auburn is ranked the 5th 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). Auburn was ranked the 5th most populous place in the 2020 Census.

Auburn's White Population

21,913 residents of Auburn, or 89.1% of the population, identify as White. The share of White residents in Auburn is comparable to the share in Maine overall, where 89.9% of the population is White. Auburn ranks 138th statewide in terms of White residents as a share of the population, out of 155 places.

Since the 2020 Census, Auburn's White population has grown by an estimated 4.8%. White residents' share of Auburn's population has increased from 86.9% to 89.1%.

Auburn is more White than neighboring Lewiston (77.3% White). Auburn is less White than neighboring Sabattus (100% White), Mechanic Falls (90.5% White), Greene (92.2% White), and Lisbon (96.9% White).

Auburn's Black Population

850 residents of Auburn, or 3.5% of the population, identify as Black. The share of Black residents in Auburn is comparable to the share in Maine overall, where 1.8% of the population is Black. Auburn ranks 7th statewide in terms of Black residents as a share of the population, out of 155 places.

Since the 2020 Census, Auburn's Black population has declined by an estimated 19.3%. Black residents' share of Auburn's population has decreased from 4.4% to 3.5%.

Auburn is more Black than neighboring Sabattus (0% Black), Mechanic Falls (0% Black), Greene (0% Black), and Lisbon (0% Black). Auburn is less Black than neighboring Lewiston (13.8% Black).

Auburn's Asian Population

303 residents of Auburn, or 1.2% of the population, identify as Asian. The share of Asian residents in Auburn is comparable to the share in Maine overall, where 1.1% of the population is Asian. Auburn ranks 62nd statewide in terms of Asian residents as a share of the population, out of 155 places.

Since the 2020 Census, Auburn's Asian population has grown by an estimated 27.8%. Asian residents' share of Auburn's population has remained roughly unchanged at 1.2%.

Auburn is more Asian than neighboring Sabattus (0% Asian), Greene (0% Asian), and Lisbon (0% Asian). Auburn is less Asian than neighboring Lewiston (1.7% Asian), and Mechanic Falls (1.8% Asian).

Auburn's Hispanic Population

737 residents of Auburn, or 3.0% of the population, identify as Hispanic. The share of Hispanic residents in Auburn is comparable to the share in Maine overall, where 2.2% of the population is Hispanic. Auburn ranks 28th statewide in terms of Hispanic residents as a share of the population, out of 155 places.

Since the 2020 Census, Auburn's Hispanic population has grown by an estimated 26.6%. Hispanic residents' share of Auburn's population has increased from 2.4% to 3.0%.

Auburn is more Hispanic than neighboring Sabattus (0% Hispanic), Mechanic Falls (0% Hispanic), Greene (0% Hispanic), and Lisbon (0.7% Hispanic). Auburn is less Hispanic than neighboring Lewiston (3.1% Hispanic).

Auburn's Native American/Other Population

54 residents of Auburn, 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 Auburn is comparable to the share in Maine overall, where 0.7% of the population is Native American/Other. Auburn ranks 87th statewide in terms of Native American/Other residents as a share of the population, out of 155 places.

Since the 2020 Census, Auburn's Native American/Other population has declined by an estimated 66.9%. Native American/Other residents' share of Auburn's population has remained roughly unchanged at 0.2%.

Auburn is more Native American/Other than neighboring Sabattus (0% Native American/Other), Mechanic Falls (0.1% Native American/Other), Greene (0% Native American/Other), and Lisbon (0% Native American/Other). Auburn is less Native American/Other than neighboring Lewiston (0.4% Native American/Other).

Auburn's Multiracial Population

745 residents of Auburn, or 3.0% of the population, identify as Multiracial. The share of Multiracial residents in Auburn is comparable to the share in Maine overall, where 4.2% of the population is Multiracial. Auburn ranks 33rd statewide in terms of Multiracial residents as a share of the population, out of 155 places.

Since the 2020 Census, Auburn's Multiracial population has declined by an estimated 33.7%. Multiracial residents' share of Auburn's population has decreased from 4.7% to 3.0%.

Auburn is more Multiracial than neighboring Sabattus (0% Multiracial), and Lisbon (2.4% Multiracial). Auburn is less Multiracial than neighboring Lewiston (3.8% Multiracial), Mechanic Falls (7.7% Multiracial), and Greene (7.8% 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.