Massac County Demographics

A map of Massac County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	11,960	12,077	86.3%	85.2%
Black	891	875	6.4%	6.2%
Multiracial	536	739	3.9%	5.2%
Hispanic	397	333	2.9%	2.4%
Native American/Other	42	102	0.3%	0.7%
Asian	39	43	0.3%	0.3%

Massac County, Illinois has an estimated population of 13,865, a slight decrease from the 14,169 recorded in the 2020 Census. The population is 86.3% White, 6.4% Black, 3.9% Multiracial, 2.9% Hispanic, 0.3% Asian, and 0.3% Native American/Other. This demographic dot map shows the population of Massac County, with one dot drawn for each person counted by the Census, color-coded by race.

Massac has become less racially diverse since the 2020 Census. It is considerably less diverse than Illinois overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Massac County, that probability was 26.6% in 2020 and 24.9% in the most recent ACS estimates.

Massac County is ranked the 75th most populous county in Illinois, out of 102 counties. Massac County was ranked the 75th most populous county in the 2020 Census.

Massac County's White Population

11,960 residents of Massac County, or 86.3% of the population, identify as White. The share of White residents in Massac County is significantly higher than in Illinois overall, where 58.1% of the population is White. Massac County ranks 63rd statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, Massac County's White population has remained roughly the same. White residents' share of Massac County's population has increased from 85.2% to 86.3%.

Massac County is more White than neighboring McCracken County (81.1% White), and Johnson County (80.1% White). Massac County is less White than neighboring Pope County (88.7% White), Ballard County (91% White), and Livingston County (94.1% White).

Massac County's Black Population

891 residents of Massac County, or 6.4% of the population, identify as Black. The share of Black residents in Massac County is lower than in Illinois overall, where 13.3% of the population is Black. Massac County ranks 29th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, Massac County's Black population has grown by an estimated 1.8%. Black residents' share of Massac County's population has remained roughly unchanged at 6.4%.

Massac County is more Black than neighboring Pope County (4.8% Black), Ballard County (3.6% Black), and Livingston County (0.1% Black). Massac County is less Black than neighboring McCracken County (9.7% Black), and Johnson County (7.8% Black).

Massac County's Asian Population

39 residents of Massac County, or 0.3% of the population, identify as Asian. The share of Asian residents in Massac County is lower than in Illinois overall, where 5.9% of the population is Asian. Massac County ranks 82nd statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, Massac County's Asian population has declined by an estimated 9.3%. Asian residents' share of Massac County's population has remained roughly unchanged at 0.3%.

Massac County is more Asian than neighboring Pope County (0% Asian), Johnson County (0.2% Asian), Ballard County (0.1% Asian), and Livingston County (0.1% Asian). Massac County is less Asian than neighboring McCracken County (0.9% Asian).

Massac County's Hispanic Population

397 residents of Massac County, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Massac County is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Massac County ranks 64th statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, Massac County's Hispanic population has grown by an estimated 19.2%. Hispanic residents' share of Massac County's population has increased from 2.4% to 2.9%.

Massac County is more Hispanic than neighboring Ballard County (1.6% Hispanic), and Livingston County (2.5% Hispanic). Massac County is less Hispanic than neighboring McCracken County (3.4% Hispanic), Pope County (3% Hispanic), and Johnson County (4.5% Hispanic).

Massac County's Native American/Other Population

42 residents of Massac County, or 0.3% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Massac County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Massac County ranks 3rd statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, Massac County's Native American/Other population has declined by an estimated 58.8%. Native American/Other residents' share of Massac County's population has remained roughly unchanged at 0.3%.

Massac County is more Native American/Other than neighboring Johnson County (0.2% Native American/Other), Ballard County (0% Native American/Other), and Livingston County (0.1% Native American/Other). Massac County is less Native American/Other than neighboring McCracken County (0.6% Native American/Other), and Pope County (0.7% Native American/Other).

Massac County's Multiracial Population

536 residents of Massac County, or 3.9% of the population, identify as Multiracial. The share of Multiracial residents in Massac County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Massac County ranks 1st statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, Massac County's Multiracial population has declined by an estimated 27.5%. Multiracial residents' share of Massac County's population has decreased from 5.2% to 3.9%.

Massac County is more Multiracial than neighboring Pope County (2.8% Multiracial), Ballard County (3.7% Multiracial), and Livingston County (3.1% Multiracial). Massac County is less Multiracial than neighboring McCracken County (4.2% Multiracial), and Johnson County (7.2% 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.