IL District 11
Illinois · 5 Counties · Aurora, Joliet, Naperville
civdotiq.org
Federal Representatives
Dick Durbin
Democratic · U.S. Senator
Phone: 202-224-2152
Web: https://www.durbin.senate.gov
Office: 711 Hart Senate Office Building Washington DC 20510
Tammy Duckworth
Democratic · U.S. Senator
Phone: 202-224-2854
Web: https://www.duckworth.senate.gov
Office: 524 Hart Senate Office Building Washington DC 20510
Bill Foster
Democratic · U.S. Representative
Phone: 202-225-3515
Web: https://foster.house.gov
Office: 2366 Rayburn House Office Building Washington DC 20515-1311
Key Demographics
754,751
Population
$109K
Median Income
39
Median Age
| Metric | Value |
|---|---|
| Bachelor's Degree or Higher | 27.6% |
| Poverty Rate | 7.0% |
| Urban Population | 70% |
| Diversity Index | 52.4 |
| Land Area | 919 sq mi |
Federal Spending
$288.8M
Total Annual
9
Contracts & Grants
—
Infrastructure
| Project | Agency | Amount |
|---|---|---|
| UCHICAGO ARGONNE, LLC | Department of Energy | $17.7B |
| FERMI FORWARD DISCOVERY GROUP, LLC | Department of Energy | $2.7B |
| ENGINEERING SYSTEMS INC | Department of Justice | $1.5M |
| COMPUTER PROJECTS OF ILLINOIS, INC. | Department of Justice | $57K |
| NALCO COMPANY LLC | Department of Justice | $26K |
Statewide Context
2,932,625
Illinois Medicaid & CHIP (Jun 2026)
571,640
Illinois Veteran Population (FY2026)
Statewide totals, not specific to this district — these federal programs report only at the state level. Sources: CMS (data.medicaid.gov), VA NCVAS (datahub.va.gov).
Geography
| Counties (5) | Major Cities |
|---|---|
| Cook, DuPage, Kane, Kendall, Will | Aurora, Joliet, Naperville, Bolingbrook |