Saco, ME Demographics

A map of Saco's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	17,380	18,346	83.5%	90.0%
Multiracial	1,681	798	8.1%	3.9%
Hispanic	738	445	3.5%	2.2%
Black	404	326	1.9%	1.6%
Native American/Other	371	98	1.8%	0.5%
Asian	245	368	1.2%	1.8%

Saco, Maine has an estimated population of 20,819, a slight increase from the 20,381 recorded in the 2020 Census. The population is 83.5% White, 8.1% Multiracial, 3.5% Hispanic, 1.9% Black, 1.8% Native American/Other, and 1.2% Asian. This demographic dot map shows the population of Saco, with one dot drawn for each person counted by the Census, color-coded by race.

Saco has become considerably more racially diverse since the 2020 Census. It is considerably 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 Saco, that probability was 18.7% in 2020 and 29.4% in the most recent ACS estimates.

Saco is ranked the 8th 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). Saco was ranked the 9th most populous place in the 2020 Census.

Saco's White Population

17,380 residents of Saco, or 83.5% of the population, identify as White. The share of White residents in Saco is lower than in Maine overall, where 89.9% of the population is White. Saco ranks 121st statewide in terms of White residents as a share of the population, out of 155 places.

Since the 2020 Census, Saco's White population has declined by an estimated 5.3%. White residents' share of Saco's population has decreased from 90.0% to 83.5%.

Saco is less White than neighboring Dunstan (90.4% White), Biddeford (91.5% White), Old Orchard Beach (88% White), Oak Hill (94.5% White), and Gorham (86.2% White).

Saco's Black Population

404 residents of Saco, or 1.9% of the population, identify as Black. The share of Black residents in Saco is comparable to the share in Maine overall, where 1.8% of the population is Black. Saco ranks 22nd statewide in terms of Black residents as a share of the population, out of 155 places.

Since the 2020 Census, Saco's Black population has grown by an estimated 23.9%. Black residents' share of Saco's population has remained roughly unchanged at 1.9%.

Saco is more Black than neighboring Biddeford (0.9% Black), Oak Hill (0% Black), and Gorham (1.4% Black).

Saco's Asian Population

245 residents of Saco, or 1.2% of the population, identify as Asian. The share of Asian residents in Saco is comparable to the share in Maine overall, where 1.1% of the population is Asian. Saco ranks 25th statewide in terms of Asian residents as a share of the population, out of 155 places.

Since the 2020 Census, Saco's Asian population has declined by an estimated 33.4%. Asian residents' share of Saco's population has decreased from 1.8% to 1.2%.

Saco is more Asian than neighboring Oak Hill (0.3% Asian). Saco is less Asian than neighboring Dunstan (4.5% Asian), Biddeford (1.3% Asian), and Gorham (4% Asian).

Saco's Hispanic Population

738 residents of Saco, or 3.5% of the population, identify as Hispanic. The share of Hispanic residents in Saco is comparable to the share in Maine overall, where 2.2% of the population is Hispanic. Saco ranks 37th statewide in terms of Hispanic residents as a share of the population, out of 155 places.

Since the 2020 Census, Saco's Hispanic population has grown by an estimated 65.8%. Hispanic residents' share of Saco's population has increased from 2.2% to 3.5%.

Saco is more Hispanic than neighboring Dunstan (0.5% Hispanic), Biddeford (3.1% Hispanic), and Gorham (1.8% Hispanic). Saco is less Hispanic than neighboring Old Orchard Beach (4.1% Hispanic), and Oak Hill (3.7% Hispanic).

Saco's Native American/Other Population

371 residents of Saco, or 1.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Saco is comparable to the share in Maine overall, where 0.7% of the population is Native American/Other. Saco ranks 118th statewide in terms of Native American/Other residents as a share of the population, out of 155 places.

Since the 2020 Census, Saco's Native American/Other population has grown by an estimated 278.6%. Native American/Other residents' share of Saco's population has increased from 0.5% to 1.8%.

Saco is more Native American/Other than neighboring Dunstan (0% Native American/Other), Biddeford (0.2% Native American/Other), Old Orchard Beach (1% Native American/Other), Oak Hill (0.2% Native American/Other), and Gorham (0.4% Native American/Other).

Saco's Multiracial Population

1,681 residents of Saco, or 8.1% of the population, identify as Multiracial. The share of Multiracial residents in Saco is slightly higher than in Maine overall, where 4.2% of the population is Multiracial. Saco ranks 73rd statewide in terms of Multiracial residents as a share of the population, out of 155 places.

Since the 2020 Census, Saco's Multiracial population has grown by an estimated 110.7%. Multiracial residents' share of Saco's population has increased from 3.9% to 8.1%.

Saco is more Multiracial than neighboring Dunstan (2.7% Multiracial), Biddeford (3.1% Multiracial), Old Orchard Beach (3.9% Multiracial), Oak Hill (1.3% Multiracial), and Gorham (6.2% 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.