IL District 12
Illinois · 5 Counties · Belleville, Carbondale, East St. Louis
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
Mike Bost
Republican · U.S. Representative
Phone: 202-225-5661
Web: https://bost.house.gov
Office: 352 Cannon House Office Building Washington DC 20515-1312
Key Demographics
746,831
Population
$69K
Median Income
42
Median Age
| Metric | Value |
|---|---|
| Bachelor's Degree or Higher | 15.1% |
| Poverty Rate | 13.1% |
| Urban Population | 51% |
| Diversity Index | 22.1 |
| Land Area | 14,016 sq mi |
Federal Spending
$2.8M
Total Annual
29
Contracts & Grants
$307K
Infrastructure
| Project | Agency | Amount |
|---|---|---|
| SKILLSOFT (US) LLC | General Services Administration | $16.1M |
| AMEREN SERVICES COMPANY | Department of Veterans Affairs | $650K |
| ILLINOIS POWER MARKETING COMPANY, LLC | Department of Veterans Affairs | $500K |
| D.H. HELICOPTER, INC. | Department of Agriculture | $473K |
| SIEMENS MEDICAL SOLUTIONS USA, INC. | Department of Veterans Affairs | $466K |
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 |
|---|---|
| Madison, St. Clair, Jackson, Williamson, Jefferson | Belleville, Carbondale, East St. Louis, Granite City |