Manufacturing-belt anchor where margins have tightened each cycle since 2008
Rockford's Winnebago County shifted from reliably Democratic to genuine battleground territory as deindustrialization reshaped its working-class electorate, making it one of Illinois's few metro areas that statewide candidates treat as persuadable.
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Winnebago | 296K | D+0.6 | 59,942 | 59,257 | 121,347 | 20.8% |
| Winnebago | 289K | D+0.6 | 59,942 | 59,257 | 121,347 | 20.8% |
| Winnebago | 283K | D+0.6 | 59,942 | 59,257 | 121,347 | 20.8% |
| Winnebago | 278K | D+0.6 | 59,942 | 59,257 | 121,347 | 20.8% |
| Boone | 54K | R+14.5 | 10,159 | 13,673 | 24,256 | 4.2% |
| Boone | 53K | R+14.5 | 10,159 | 13,673 | 24,256 | 4.2% |
| Boone | 52K | R+14.5 | 10,159 | 13,673 | 24,256 | 4.2% |
| Boone | 42K | R+14.5 | 10,159 | 13,673 | 24,256 | 4.2% |
| Group | Rockford, IL | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 72.7% | 57.4% |
▶Hispanic / Latino(15) | 12.4% | 19.3% |
▶Black / African American(8) | 10.2% | 12.2% |
Multiracial / Other | 2.2% | 4.0% |
▶Asian(6) | 2.1% | 6.0% |
▶Middle Eastern / North African(10) | 0.5% | 0.9% |
▶Native American / Alaska Native(3) | 0.4% | 0.9% |
Catholic-Evangelical edge: +5.7pp (vs national 4.5pp). A moderate religious balance between Catholic and Evangelical traditions.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 24.9% | 44.5% | — | — | |
| 19.2% | 34.4% | — | — | |
| 6.5% | 11.7% | — | — | |
| 3.0% | 5.4% | — | — | |
| 2.0% | 3.6% | — | — | |
LDS (Mormon) | 0.6% | 1.0% | — | — |
| 0.2% | 0.3% | — | — | |
Non-religiousPopulation | 44.2% | — | — | — |
Who lives in the Rockford, IL metro area? 1,347,481 residents across 8 counties.
22% of adults hold a bachelor's degree — 11pp below the national average. Places with similar education levels vote R+15 on average nationally.
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
| Offices | Margin A | Margin B | Split |
|---|---|---|---|
| Senate vs Governor | R+2.6 | R+4.7 | 2.1pp |