Cumberland County Demographics

A map of Cumberland County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	9,816	9,947	95.0%	95.2%
Multiracial	458	312	4.4%	3.0%
Hispanic	38	112	0.4%	1.1%
Black	18	28	0.2%	0.3%
Asian	4	21	0.0%	0.2%
Native American/Other	0	30	0.0%	0.3%

Cumberland County, Illinois has an estimated population of 10,334, a slight decrease from the 10,450 recorded in the 2020 Census. The population is 95.0% White, 4.4% Multiracial, 0.4% Hispanic, 0.2% Black, 0.0% Asian, and 0.0% Native American/Other. This demographic dot map shows the population of Cumberland County, with one dot drawn for each person counted by the Census, color-coded by race.

Cumberland is about as racially diverse as it was in 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 Cumberland County, that probability was 9.3% in 2020 and 9.6% in the most recent ACS estimates.

Cumberland County is ranked the 87th most populous county in Illinois, out of 102 counties. Cumberland County was ranked the 87th most populous county in the 2020 Census.

Cumberland County's White Population

9,816 residents of Cumberland County, or 95.0% of the population, identify as White. The share of White residents in Cumberland County is significantly higher than in Illinois overall, where 58.1% of the population is White. Cumberland County ranks 6th statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, Cumberland County's White population has declined by an estimated 1.3%. White residents' share of Cumberland County's population has remained roughly unchanged at 95.0%.

Cumberland County is more White than neighboring Coles County (88% White), Effingham County (94.2% White), and Douglas County (87.4% White). Cumberland County is less White than neighboring Jasper County (96.8% White).

Cumberland County's Black Population

18 residents of Cumberland County, or 0.2% of the population, identify as Black. The share of Black residents in Cumberland County is considerably lower than in Illinois overall, where 13.3% of the population is Black. Cumberland County ranks 96th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, Cumberland County's Black population has declined by an estimated 35.7%. Black residents' share of Cumberland County's population has remained roughly unchanged at 0.2%.

Cumberland County is more Black than neighboring Jasper County (0.1% Black). Cumberland County is less Black than neighboring Coles County (3.6% Black), Effingham County (0.3% Black), Clark County (0.5% Black), and Douglas County (1.2% Black).

Cumberland County's Asian Population

4 residents of Cumberland County, or 0.0% of the population, identify as Asian. The share of Asian residents in Cumberland County is lower than in Illinois overall, where 5.9% of the population is Asian. Cumberland County ranks 94th statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, Cumberland County's Asian population has declined by an estimated 81.0%. Asian residents' share of Cumberland County's population has remained roughly unchanged at 0.0%.

Cumberland County is less Asian than neighboring Coles County (1.1% Asian), Jasper County (0.1% Asian), Effingham County (0.8% Asian), Clark County (0.1% Asian), and Douglas County (0.4% Asian).

Cumberland County's Hispanic Population

38 residents of Cumberland County, or 0.4% of the population, identify as Hispanic. The share of Hispanic residents in Cumberland County is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Cumberland County ranks 96th statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, Cumberland County's Hispanic population has declined by an estimated 66.1%. Hispanic residents' share of Cumberland County's population has decreased from 1.1% to 0.4%.

Cumberland County is less Hispanic than neighboring Coles County (3.9% Hispanic), Jasper County (1.3% Hispanic), Effingham County (2.8% Hispanic), Clark County (1.9% Hispanic), and Douglas County (8.5% Hispanic).

Cumberland County's Native American/Other Population

0 residents of Cumberland County, or 0.0% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Cumberland County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Cumberland County ranks 88th statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, Cumberland County's Native American/Other population has declined by an estimated 100.0%. Native American/Other residents' share of Cumberland County's population has remained roughly unchanged at 0.0%.

Cumberland County is less Native American/Other than neighboring Coles County (0.4% Native American/Other), Effingham County (0.2% Native American/Other), and Douglas County (0.4% Native American/Other).

Cumberland County's Multiracial Population

458 residents of Cumberland County, or 4.4% of the population, identify as Multiracial. The share of Multiracial residents in Cumberland County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Cumberland County ranks 68th statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, Cumberland County's Multiracial population has grown by an estimated 46.8%. Multiracial residents' share of Cumberland County's population has increased from 3.0% to 4.4%.

Cumberland County is more Multiracial than neighboring Coles County (3.1% Multiracial), Jasper County (1.6% Multiracial), Effingham County (1.6% Multiracial), Clark County (2.5% Multiracial), and Douglas County (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.