HOUSE
Tennessee TN-01 House2026
RACE AT A GLANCE
RACE TYPE
Incumbent running
Diana Harshbarger (R)
COOK PARTISAN VOTING INDEX
Last updated : Nov 17, 2025D +50
R +50
R +29
Race summary
Eastern Tennessee's 1st District did not change as a result of redistricting.Key Dates
Filing Deadline: Mar 10, 2026
Primary Election: Aug 6, 2026
INCUMBENT
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INCUMBENT
Full Bio:
HARSHBARGER, Diana, a Representative from Tennessee; born in Kingsport, Tenn., January 1, 1960; graduated from Ketron High School, Kingsport, Tenn., 1978; attended East Tennessee State University, Johnson City, Tenn.; Pharm.D, Mercer University, Atlanta, Ga., 1987; pharmacist; business owner; elected as a Republican to the One Hundred Seventeenth Congress (January 3, 2021–present).
Source: Bioguide
CANDIDATES
DISTRICT DATA
Tennessee - 01
Northeast: Kingsport, Bristol, Johnson City
Population Breakdown
Source: 2020 Census (VAP) for 2026
Past Presidential Results from this District
2024 Election Results
Source: Dave Leip
2020 Election Results
Source: Dave's Redistricting/VEST
RACE ANALYSIS
Race Analysis
Updated: Nov 13, 2025
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