Illinois State Data
Connect with Your State Leaders in Illinois
Meet the key players in Illinois's state government, including the most prominent elected officials from the executive and legislative branches. These leaders oversee elections, enforce laws, manage state finances, and set the policy agenda for Illinois.
J.B. PritzkerGovernorDemocraticThe state's chief executive who implements laws and manages the executive branch.
Alexi GiannouliasSecretary of StateDemocraticOversees statewide elections, business registrations, and key public records.
Chris WelchSpeaker of the HouseDemocraticLeads the lower chamber and controls the flow of legislation and committee assignments.
Illinois Congressional Delegation — 119th Congress
Illinois sends 2 Senators and 17 Representatives to the 119th Congress (2025-2027). 13 seats are up for election in 2026.
Tammy DuckworthU.S. SenateDemocraticWon 2016 with 54.9%
Dick DurbinU.S. SenateDemocratic
Jonathan JacksonU.S. House • Illinois U.S. House Illinois District 1DemocraticWon 2024 with 65.8%Up in 2026
Robin KellyU.S. House • Illinois U.S. House Illinois District 2DemocraticWon 2024 with 67.5%Up in 2026
Delia RamirezU.S. House • Illinois U.S. House Illinois District 3DemocraticWon 2024 with 67.3%Up in 2026
Jesus GarciaU.S. House • Illinois U.S. House Illinois District 4Democratic
Mike QuigleyU.S. House • Illinois U.S. House Illinois District 5DemocraticWon 2024 with 69.0%Up in 2026
Sean CastenU.S. House • Illinois U.S. House Illinois District 6DemocraticWon 2024 with 54.2%Up in 2026
Danny K. DavisU.S. House • Illinois U.S. House Illinois District 7Democratic
Raja KrishnamoorthiU.S. House • Illinois U.S. House Illinois District 8DemocraticWon 2024 with 57.1%Up in 2026
Jan SchakowskyU.S. House • Illinois U.S. House Illinois District 9Democratic
Brad SchneiderU.S. House • Illinois U.S. House Illinois District 10Democratic
Bill FosterU.S. House • Illinois U.S. House Illinois District 11DemocraticWon 2024 with 55.6%Up in 2026
Mike BostU.S. House • Illinois U.S. House Illinois District 12RepublicanWon 2024 with 74.2%Up in 2026
Nikki BudzinskiU.S. House • Illinois U.S. House Illinois District 13DemocraticWon 2024 with 58.1%Up in 2026
Lauren UnderwoodU.S. House • Illinois U.S. House Illinois District 14DemocraticWon 2024 with 55.1%Up in 2026
Mary MillerU.S. House • Illinois U.S. House Illinois District 15RepublicanWon 2024 with 99.5%Up in 2026
Darin LaHoodU.S. House • Illinois U.S. House Illinois District 16RepublicanWon 2024 with 99.9%Up in 2026
Eric SorensenU.S. House • Illinois U.S. House Illinois District 17DemocraticWon 2024 with 54.4%Up in 2026
2020 Census & ACS Snapshot
Key statewide indicators for Illinois. Gauge bars show how this state compares to the national average.
Updated: 2026-04-06 · Sources: U.S. Census Bureau, American Community Survey
Population (2020)
12.7 million
Estimated total residents based on the 2020 Census.
Median Age
38.9 years
0.2 yr above national avg
Median Household Income
$81,702
$3,164 above national avg
Bachelor's Degree or Higher
37.2%
2.2% above national avg
HS diploma or higher: 90.3%
Poverty Rate
11.7%
0.7% below national avg
Uninsured: 7.0%
Broadband Access
89.4% of households
0.3% below national avg
What is the total population of Illinois?
Illinois has 12.7 million residents as of the 2020 Census. Explore district-level demographics or find your representatives.
What is the median age in Illinois?
The median age in Illinois is 38.9 years. Compare districts on the demographics page.
What is the median household income in Illinois?
The median household income in Illinois is $81,702. See how income varies by district on district demographics.
What share of adults in Illinois have a high school or bachelor's degree?
In Illinois, 90.3% of adults have a high school diploma or higher, and 37.2% have a bachelor's degree or higher.
What are the poverty and uninsured rates in Illinois?
In Illinois, the poverty rate is 11.7% and the uninsured rate is 7.0%.
How many households in Illinois have broadband?
In Illinois, broadband access is 89.4% of households. Share of households with a broadband subscription.
Search 2023 state metrics
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Illinois Frequently Asked Questions
What is the total population of Illinois (2020)?
Illinois has 12.7 million residents as of the 2020 Census.
What is the median age in Illinois?
The median age in Illinois is 38.9 years.
What is the median household income in Illinois?
The median household income in Illinois is $81,702.
What are the poverty and uninsured rates in Illinois?
In Illinois, the poverty rate is 11.7% and the uninsured rate is 7.0%.
How many households in Illinois have broadband?
In Illinois, broadband access is 89.4% of households.