Knox County Demographics

A map of Knox County's Population by Race

Knox County, Maine had a population of 40,607 in 2020. It was 92.4% White, 0.6% Black, 0.6% Asian, 1.7% Hispanic, 0.7% Native American/Other, and 3.9% Multiracial. This map presents the population of Knox County, with one dot drawn for each person counted in the 2020 Census, color-coded by race.

Knox County is the 10th most populous county of the 16 counties in Maine.

Knox County's White Population

37,533 residents of Knox County identify as White, or 92.4%. This makes the White share of the population of Knox County roughly similar to the White share of the population of Maine (90.2% White). Of the 16 counties in Maine, Knox County is ranked #6 in terms of White residents as a share of the population.

Knox County is more White than neighboring Sagadahoc County (92.2% White), Hancock County (92.1% White), and Kennebec County (91.1% White). Knox County is less White than neighboring Waldo County (93.1% White), and Lincoln County (93.9% White).

Knox County's Black Population

256 residents of Knox County identify as Black, or 0.6%. This makes the Black share of the population of Knox County roughly similar to the Black share of the population of Maine (1.8% Black). Of the 16 counties in Maine, Knox County is ranked #8 in terms of Black residents as a share of the population.

Knox County is more Black than neighboring Waldo County (0.3% Black), and Lincoln County (0.4% Black). Knox County is less Black than neighboring Sagadahoc County (0.8% Black), and Kennebec County (0.7% Black).

Knox County's Asian Population

250 residents of Knox County identify as Asian, or 0.6%. This makes the Asian share of the population of Knox County roughly similar to the Asian share of the population of Maine (1.2% Asian). Of the 16 counties in Maine, Knox County is ranked #11 in terms of Asian residents as a share of the population.

Knox County is more Asian than neighboring Waldo County (0.5% Asian). Knox County is less Asian than neighboring Sagadahoc County (0.7% Asian), Hancock County (1% Asian), and Kennebec County (1% Asian).

Knox County's Hispanic Population

672 residents of Knox County identify as Hispanic, or 1.7%. This makes the Hispanic share of the population of Knox County roughly similar to the Hispanic share of the population of Maine (2% Hispanic). Of the 16 counties in Maine, Knox County is ranked #9 in terms of Hispanic residents as a share of the population.

Knox County is more Hispanic than neighboring Waldo County (1.4% Hispanic), and Lincoln County (1.1% Hispanic). Knox County is less Hispanic than neighboring Sagadahoc County (1.8% Hispanic), and Kennebec County (2.1% Hispanic).

Knox County's Native American/Other Population

301 residents of Knox County identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other, or 0.7%. This makes the Native American/Other share of the population of Knox County roughly similar to the Native American/Other share of the population of Maine (0.9% Native American/Other). Of the 16 counties in Maine, Knox County is ranked #6 in terms of Native American/Other residents as a share of the population.

Knox County is more Native American/Other than neighboring Lincoln County (0.6% Native American/Other), and Sagadahoc County (0.6% Native American/Other). Knox County is less Native American/Other than neighboring Hancock County (0.8% Native American/Other).

Knox County's Multiracial Population

1,595 residents of Knox County identify as Multiracial, or 3.9%. This makes the Multiracial share of the population of Knox County roughly similar to the Multiracial share of the population of Maine (3.9% Multiracial). Of the 16 counties in Maine, Knox County is ranked #8 in terms of Multiracial residents as a share of the population.

Knox County is more Multiracial than neighboring Lincoln County (3.3% Multiracial), and Hancock County (3.7% Multiracial). Knox County is less Multiracial than neighboring Sagadahoc County (4% Multiracial), and Kennebec County (4.4% Multiracial).

Source: 2020 Census State Redistricting Data and Census TIGER/Line Shapefiles.