Pennsylvania's T-region anchor, where suburban drift reshapes old margins
Stretching across south-central Pennsylvania's mix of mid-sized cities and deep-rural townships, this market has historically leaned Republican but seen competitive tightening as Lancaster and York suburbs diversify and commuter populations grow.
| County | Pop. | Margin | Dem | Rep | Total | Share |
|---|---|---|---|---|---|---|
| Lancaster | 558K | R+15.9 | 120,119 | 166,261 | 289,257 | 6.5% |
| Lancaster | 533K | R+15.9 | 120,119 | 166,261 | 289,257 | 6.5% |
| Lancaster | 499K | R+15.9 | 120,119 | 166,261 | 289,257 | 6.5% |
| Lancaster | 471K | R+15.9 | 120,119 | 166,261 | 289,257 | 6.5% |
| York | 463K | R+25.3 | 91,926 | 154,884 | 249,210 | 5.6% |
| York | 441K | R+25.3 | 91,926 | 154,884 | 249,210 | 5.6% |
| York | 420K | R+25.3 | 91,926 | 154,884 | 249,210 | 5.6% |
| York | 382K | R+25.3 | 91,926 | 154,884 | 249,210 | 5.6% |
| Dauphin | 290K | D+5.9 | 78,327 | 69,474 | 149,526 | 3.4% |
| Dauphin | 272K | D+5.9 | 78,327 | 69,474 | 149,526 | 3.4% |
| Cumberland | 268K | R+9.4 | 66,255 | 80,267 | 148,396 | 3.3% |
| Dauphin | 256K | D+5.9 | 78,327 | 69,474 | 149,526 | 3.4% |
| Dauphin | 252K | D+5.9 | 78,327 | 69,474 | 149,526 | 3.4% |
| Cumberland | 244K | R+9.4 | 66,255 | 80,267 | 148,396 | 3.3% |
| Cumberland | 228K | R+9.4 | 66,255 | 80,267 | 148,396 | 3.3% |
| Cumberland | 214K | R+9.4 | 66,255 | 80,267 | 148,396 | 3.3% |
| Franklin | 157K | R+43.0 | 23,543 | 59,604 | 83,884 | 1.9% |
| Franklin | 153K | R+43.0 | 23,543 | 59,604 | 83,884 | 1.9% |
| Lebanon | 144K | R+31.9 | 24,734 | 48,282 | 73,692 | 1.7% |
| Franklin | 142K | R+43.0 | 23,543 | 59,604 | 83,884 | 1.9% |
| Lebanon | 137K | R+31.9 | 24,734 | 48,282 | 73,692 | 1.7% |
| Franklin | 129K | R+43.0 | 23,543 | 59,604 | 83,884 | 1.9% |
| Lebanon | 128K | R+31.9 | 24,734 | 48,282 | 73,692 | 1.7% |
| Lebanon | 120K | R+31.9 | 24,734 | 48,282 | 73,692 | 1.7% |
| Adams | 106K | R+33.6 | 19,842 | 40,248 | 60,650 | 1.4% |
| Adams | 102K | R+33.6 | 19,842 | 40,248 | 60,650 | 1.4% |
| Adams | 101K | R+33.6 | 19,842 | 40,248 | 60,650 | 1.4% |
| Adams | 91K | R+33.6 | 19,842 | 40,248 | 60,650 | 1.4% |
| Mifflin | 47K | R+56.4 | 4,735 | 17,184 | 22,071 | 0.5% |
| Mifflin | 46K | R+56.4 | 4,735 | 17,184 | 22,071 | 0.5% |
| Perry | 46K | R+49.3 | 6,385 | 19,073 | 25,725 | 0.6% |
| Mifflin | 46K | R+56.4 | 4,735 | 17,184 | 22,071 | 0.5% |
| Mifflin | 46K | R+56.4 | 4,735 | 17,184 | 22,071 | 0.5% |
| Perry | 46K | R+49.3 | 6,385 | 19,073 | 25,725 | 0.6% |
| Perry | 45K | R+49.3 | 6,385 | 19,073 | 25,725 | 0.6% |
| Perry | 44K | R+49.3 | 6,385 | 19,073 | 25,725 | 0.6% |
| Juniata | 25K | R+61.4 | 2,290 | 9,721 | 12,104 | 0.3% |
| Juniata | 23K | R+61.4 | 2,290 | 9,721 | 12,104 | 0.3% |
| Juniata | 23K | R+61.4 | 2,290 | 9,721 | 12,104 | 0.3% |
| Juniata | 23K | R+61.4 | 2,290 | 9,721 | 12,104 | 0.3% |
| Group | Local | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 84.4% | 57.4% |
▶Hispanic / Latino(20) | 6.5% | 19.3% |
▶Black / African American(15) | 5.4% | 12.2% |
▶Asian(6) | 1.9% | 6.0% |
Multiracial / Other | 1.6% | 4.0% |
▶Middle Eastern / North African(10) | 0.4% | 0.9% |
▶Native American / Alaska Native(1) | 0.2% | 0.9% |
Catholic-Evangelical edge: -20.6pp (vs national 4.5pp). A strongly Evangelical-leaning religious profile, which nationally correlates with Republican-leaning rural and exurban communities.
| Tradition | % Pop | % Adherents | US Pop | US Adherents |
|---|---|---|---|---|
| 16.0% | 40.0% | — | — | |
| 11.2% | 28.0% | — | — | |
| 9.6% | 23.8% | — | — | |
| 2.3% | 5.6% | — | — | |
| 0.7% | 1.9% | — | — | |
LDS (Mormon) | 0.6% | 1.5% | — | — |
| 0.3% | 0.7% | — | — | |
Non-religiousPopulation | 60.0% | — | — | — |
Who lives in the Harrisburg-Lancaster-Lebanon-York media market? 7,759,109 residents across 40 counties.
25% of adults hold a bachelor's degree — 8pp below the national average. Places with similar education levels vote R+9 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 |
|---|---|---|---|
| President vs Senate | R+20.4 | R+18.7 | 1.7pp |