Topics

Dive into each indicator for Illinois.

Total Population Population Growth Births Deaths Age Distribution Households Population Density Race and Ethnicity Population Projections

12.71 M

Total population

6th in the U.S.

88 /km²

Density

13th in the U.S.

39.1 years

Median age

50.6%

Female

49.4%

Male

5.0 M

Households

88.5%

Urban population

21.6%

Under 18

17.2%

65 and older

77.7 years

Life expectancy

Chicago (9.26 M)

Largest metro

-0.3%/yr

Growth

2020–2024

58.3%

White (non-Hispanic)

18.6%

Hispanic or Latino

≈ 2.36 M

14.1%

Black or African American

6.2%

Asian

2.5%

Two or more races

0.2%

Native American

0.1%

Pacific Islander

≈ 14.6%

Mexican origin

Largest Hispanic subgroup

≈ 1.6%

Puerto Rican origin

≈ 2.0%

Indian origin

Historical data

Long-run evolution of the key indicators, so you can see the trend — not just today's snapshot.

Population

1850–2024

12.71 M▲ 1395%

U.S. Census (decennial), 1850–2020 + estimates.

Hispanic or Latino share

1970–2023

18.6%▲ 481%

Share of residents of Hispanic or Latino origin.

Black or African American share

1900–2023

14.1%▲ 683%

Share of residents identifying as Black or African American.

Life expectancy at birth

1990–2023

77.7 yrs▲ 4%

CDC/NCHS life expectancy at birth.

Data table

Total population	12.71 M	6th in the U.S.
Density	88 /km²	13th in the U.S.
Median age	39.1 years
Female	50.6%
Male	49.4%
Households	5.0 M
Urban population	88.5%
Under 18	21.6%
65 and older	17.2%
Life expectancy	77.7 years
Largest metro	Chicago (9.26 M)
Growth	-0.3%/yr	2020–2024
White (non-Hispanic)	58.3%
Hispanic or Latino	18.6%	≈ 2.36 M
Black or African American	14.1%
Asian	6.2%
Two or more races	2.5%
Native American	0.2%
Pacific Islander	0.1%
Mexican origin	≈ 14.6%	Largest Hispanic subgroup
Puerto Rican origin	≈ 1.6%
Indian origin	≈ 2.0%

Compared to the United States

Coming soon

Side-by-side comparison of Illinois vs. the U.S. average.

National ranking