Sagadahoc County Demographics

A map of Sagadahoc County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	34,291	33,830	92.0%	92.2%
Multiracial	1,657	1,467	4.4%	4.0%
Hispanic	754	649	2.0%	1.8%
Asian	249	247	0.7%	0.7%
Black	187	295	0.5%	0.8%
Native American/Other	147	211	0.4%	0.6%

Sagadahoc County, Maine has an estimated population of 37,285, a slight increase from the 36,699 recorded in the 2020 Census. The population is 92.0% White, 4.4% Multiracial, 2.0% Hispanic, 0.7% Asian, 0.5% Black, and 0.4% Native American/Other. This demographic dot map shows the population of Sagadahoc County, with one dot drawn for each person counted by the Census, color-coded by race.

Sagadahoc is about as racially diverse as it was in the 2020 Census. It is less 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 Sagadahoc County, that probability was 14.8% in 2020 and 15.2% in the most recent ACS estimates.

Sagadahoc County is ranked the 12th most populous county in Maine, out of 16 counties. Sagadahoc County was ranked the 12th most populous county in the 2020 Census.

Sagadahoc County's White Population

34,291 residents of Sagadahoc County, or 92.0% of the population, identify as White. The share of White residents in Sagadahoc County is slightly higher than in Maine overall, where 89.9% of the population is White. Sagadahoc County ranks 8th statewide in terms of White residents as a share of the population, out of 16 counties.

Since the 2020 Census, Sagadahoc County's White population has grown by an estimated 1.4%. White residents' share of Sagadahoc County's population has remained roughly unchanged at 92.0%.

Sagadahoc County is more White than neighboring Androscoggin County (87.2% White), Cumberland County (85.6% White), and Kennebec County (91.8% White). Sagadahoc County is less White than neighboring Lincoln County (93.1% White), and Knox County (93.2% White).

Sagadahoc County's Black Population

187 residents of Sagadahoc County, or 0.5% of the population, identify as Black. The share of Black residents in Sagadahoc County is comparable to the share in Maine overall, where 1.8% of the population is Black. Sagadahoc County ranks 5th statewide in terms of Black residents as a share of the population, out of 16 counties.

Since the 2020 Census, Sagadahoc County's Black population has declined by an estimated 36.6%. Black residents' share of Sagadahoc County's population has remained roughly unchanged at 0.5%.

Sagadahoc County is more Black than neighboring Knox County (0.3% Black). Sagadahoc County is less Black than neighboring Lincoln County (0.8% Black), Androscoggin County (5.5% Black), Cumberland County (3.4% Black), and Kennebec County (0.9% Black).

Sagadahoc County's Asian Population

249 residents of Sagadahoc County, or 0.7% of the population, identify as Asian. The share of Asian residents in Sagadahoc County is comparable to the share in Maine overall, where 1.1% of the population is Asian. Sagadahoc County ranks 9th statewide in terms of Asian residents as a share of the population, out of 16 counties.

Since the 2020 Census, Sagadahoc County's Asian population has remained roughly the same. Asian residents' share of Sagadahoc County's population has remained roughly unchanged at 0.7%.

Sagadahoc County is more Asian than neighboring Knox County (0.5% Asian). Sagadahoc County is less Asian than neighboring Androscoggin County (1.2% Asian), Cumberland County (2.2% Asian), and Kennebec County (0.9% Asian).

Sagadahoc County's Hispanic Population

754 residents of Sagadahoc County, or 2.0% of the population, identify as Hispanic. The share of Hispanic residents in Sagadahoc County is comparable to the share in Maine overall, where 2.2% of the population is Hispanic. Sagadahoc County ranks 7th statewide in terms of Hispanic residents as a share of the population, out of 16 counties.

Since the 2020 Census, Sagadahoc County's Hispanic population has grown by an estimated 16.2%. Hispanic residents' share of Sagadahoc County's population has remained roughly unchanged at 2.0%.

Sagadahoc County is more Hispanic than neighboring Lincoln County (1.4% Hispanic), and Knox County (1.9% Hispanic). Sagadahoc County is less Hispanic than neighboring Androscoggin County (2.2% Hispanic), Cumberland County (2.8% Hispanic), and Kennebec County (2.3% Hispanic).

Sagadahoc County's Native American/Other Population

147 residents of Sagadahoc County, or 0.4% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Sagadahoc County is comparable to the share in Maine overall, where 0.7% of the population is Native American/Other. Sagadahoc County ranks 16th statewide in terms of Native American/Other residents as a share of the population, out of 16 counties.

Since the 2020 Census, Sagadahoc County's Native American/Other population has declined by an estimated 30.3%. Native American/Other residents' share of Sagadahoc County's population has remained roughly unchanged at 0.4%.

Sagadahoc County is more Native American/Other than neighboring Androscoggin County (0.3% Native American/Other). Sagadahoc County is less Native American/Other than neighboring Cumberland County (0.5% Native American/Other), and Kennebec County (0.5% Native American/Other).

Sagadahoc County's Multiracial Population

1,657 residents of Sagadahoc County, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Sagadahoc County is comparable to the share in Maine overall, where 4.2% of the population is Multiracial. Sagadahoc County ranks 6th statewide in terms of Multiracial residents as a share of the population, out of 16 counties.

Since the 2020 Census, Sagadahoc County's Multiracial population has grown by an estimated 13.0%. Multiracial residents' share of Sagadahoc County's population has remained roughly unchanged at 4.4%.

Sagadahoc County is more Multiracial than neighboring Lincoln County (3.7% Multiracial), Androscoggin County (3.6% Multiracial), Kennebec County (3.7% Multiracial), and Knox County (3.8% Multiracial). Sagadahoc County is less Multiracial than neighboring Cumberland County (5.5% 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.