Morgan County Demographics

A map of Morgan County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	28,781	28,489	87.2%	86.6%
Black	1,605	1,961	4.9%	6.0%
Multiracial	1,325	1,207	4.0%	3.7%
Hispanic	967	838	2.9%	2.5%
Asian	270	266	0.8%	0.8%
Native American/Other	73	154	0.2%	0.5%

Morgan County, Illinois has an estimated population of 33,021, a less than 1% change from the 32,915 recorded in the 2020 Census. The population is 87.2% White, 4.9% Black, 4.0% Multiracial, 2.9% Hispanic, 0.8% Asian, and 0.2% Native American/Other. This demographic dot map shows the population of Morgan County, with one dot drawn for each person counted by the Census, color-coded by race.

Morgan has become slightly 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 Morgan County, that probability was 24.5% in 2020 and 23.5% in the most recent ACS estimates.

Morgan County is ranked the 44th most populous county in Illinois, out of 102 counties. Morgan County was ranked the 46th most populous county in the 2020 Census.

Morgan County's White Population

28,781 residents of Morgan County, or 87.2% of the population, identify as White. The share of White residents in Morgan County is significantly higher than in Illinois overall, where 58.1% of the population is White. Morgan County ranks 59th statewide in terms of White residents as a share of the population, out of 102 counties.

Since the 2020 Census, Morgan County's White population has grown by an estimated 1.0%. White residents' share of Morgan County's population has increased from 86.6% to 87.2%.

Morgan County is more White than neighboring Cass County (69.9% White). Morgan County is less White than neighboring Scott County (95.4% White), Greene County (95.8% White), Menard County (94.8% White), and Macoupin County (93.5% White).

Morgan County's Black Population

1,605 residents of Morgan County, or 4.9% of the population, identify as Black. The share of Black residents in Morgan County is lower than in Illinois overall, where 13.3% of the population is Black. Morgan County ranks 30th statewide in terms of Black residents as a share of the population, out of 102 counties.

Since the 2020 Census, Morgan County's Black population has declined by an estimated 18.2%. Black residents' share of Morgan County's population has decreased from 6.0% to 4.9%.

Morgan County is more Black than neighboring Cass County (4% Black), Scott County (1% Black), Greene County (0.8% Black), Menard County (0.5% Black), and Macoupin County (1.5% Black).

Morgan County's Asian Population

270 residents of Morgan County, or 0.8% of the population, identify as Asian. The share of Asian residents in Morgan County is lower than in Illinois overall, where 5.9% of the population is Asian. Morgan County ranks 32nd statewide in terms of Asian residents as a share of the population, out of 102 counties.

Since the 2020 Census, Morgan County's Asian population has grown by an estimated 1.5%. Asian residents' share of Morgan County's population has remained roughly unchanged at 0.8%.

Morgan County is more Asian than neighboring Scott County (0.4% Asian), Greene County (0.5% Asian), Menard County (0.3% Asian), and Macoupin County (0.3% Asian). Morgan County is less Asian than neighboring Cass County (0.9% Asian).

Morgan County's Hispanic Population

967 residents of Morgan County, or 2.9% of the population, identify as Hispanic. The share of Hispanic residents in Morgan County is significantly lower than in Illinois overall, where 18.8% of the population is Hispanic. Morgan County ranks 58th statewide in terms of Hispanic residents as a share of the population, out of 102 counties.

Since the 2020 Census, Morgan County's Hispanic population has grown by an estimated 15.4%. Hispanic residents' share of Morgan County's population has remained roughly unchanged at 2.9%.

Morgan County is more Hispanic than neighboring Scott County (1.6% Hispanic), Greene County (1.1% Hispanic), Menard County (1.7% Hispanic), and Macoupin County (1.4% Hispanic). Morgan County is less Hispanic than neighboring Cass County (22.9% Hispanic).

Morgan County's Native American/Other Population

73 residents of Morgan County, or 0.2% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Morgan County is comparable to the share in Illinois overall, where 0.5% of the population is Native American/Other. Morgan County ranks 37th statewide in terms of Native American/Other residents as a share of the population, out of 102 counties.

Since the 2020 Census, Morgan County's Native American/Other population has declined by an estimated 52.6%. Native American/Other residents' share of Morgan County's population has remained roughly unchanged at 0.2%.

Morgan County is more Native American/Other than neighboring Scott County (0.1% Native American/Other), and Menard County (0% Native American/Other). Morgan County is less Native American/Other than neighboring Cass County (1% Native American/Other), and Macoupin County (0.3% Native American/Other).

Morgan County's Multiracial Population

1,325 residents of Morgan County, or 4.0% of the population, identify as Multiracial. The share of Multiracial residents in Morgan County is comparable to the share in Illinois overall, where 3.4% of the population is Multiracial. Morgan County ranks 37th statewide in terms of Multiracial residents as a share of the population, out of 102 counties.

Since the 2020 Census, Morgan County's Multiracial population has grown by an estimated 9.8%. Multiracial residents' share of Morgan County's population has remained roughly unchanged at 4.0%.

Morgan County is more Multiracial than neighboring Cass County (1.3% Multiracial), Scott County (1.4% Multiracial), Greene County (1.6% Multiracial), Menard County (2.8% Multiracial), and Macoupin County (3% 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.