99chambers

Georgia House of Representatives seat · lines in effect since 2024

Georgia House District 166

A district of about 58,000 people, 56% of adults with a bachelor's degree. It votes R+28.0 relative to the nation for president.

Jesse Petrea (R) · since Nov 4, 2014Next election Nov 7, 2028The 2026 race →

Where it sits among all 180 seats

Every Georgia House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+28.0123rd most
Democratic
Most DemocraticMost Republican91st seat · the majority lineDistrict 166

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

20242026
Georgia House of RepresentativesR+43.3R+29.0

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Georgia Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 180 seats. Small marks are other seats in Georgia. The black marker is District 166.

Adults with a bachelor's degree56% 85th pct · 27th of 180 in GA

Higher than 85% of seats.

White adults without a degree35% 58th pct · 77th of 180 in GA

Higher than 58% of seats.

Hispanic residents3% 4th pct · 172nd of 180 in GA

Lower than 96% of seats.

Black residents5% 9th pct · 164th of 180 in GA

Lower than 91% of seats.

Asian residents4% 68th pct · 58th of 180 in GA

Higher than 68% of seats.

People per square mile134 25th pct · 136th of 180 in GA

Less dense than 75% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean. 1 of the 4 flipped this year.

District 121
56% college gradsR+8.9Flipped RDistrict 120
44% college gradsR+11.4Held RDistrict 73
53% college gradsR+26.4Held RDistrict 138
38% college gradsR+39.5Held R

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2024.

  1. Jesse L. Petrea (R)
    2025– · Won 2024 by 43.3, 2026 by 29.0

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)