- Lead
- 12,503
- Total
- 40,272
- vs nation
- R+29.6
Georgia 166th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 11,209
- Total
- 37,130
- vs nation
- R+34.6
- Lead
- 11,658
- Total
- 31,204
- vs nation
- R+39.5
- Lead
- 12,343
- Total
- 30,177
- vs nation
- R+44.8
- Lead
- 11,763
- Total
- 30,116
- vs nation
- R+46.3
- Lead
- 13,159
- Total
- 26,430
- vs nation
- R+47.3
- Lead
- 10,578
- Total
- 21,661
- vs nation
- R+49.4
- Lead
- 8,222
- Total
- 19,598
- vs nation
- R+50.5
Key facts
- 2024 presidential margin
- R+31.0MIT Election Lab
- Population
- 60,2422024 5-year
- Population density
- 251 / sq mi2024 5-year · TIGER/Line
- Land area
- 240 sq miTIGER/Line
- Median household income
- $119,4152024 5-year
- White (non-Hispanic)
- 82.8%2024 5-year
- Black
- 5.0%2024 5-year
- Hispanic / Latino
- 5.2%2024 5-year
- Peak Democratic margin
- D+53.1 in 1940MIT Election Lab
- Peak Republican margin
- R+75.7 in 1972MIT Election Lab
- Most similar
- State House District 21, GA · twin score 94.1
presidential history
Party record book
Georgia 166th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1932–2024 · 24 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Franklin D. Roosevelt1936
72.0%
1,443 votes · D+44.6 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1940 · 70.3%
Republican
Richard Nixon1972
87.9%
15,098 votes · R+75.7 · modeled estimate
Runner-up · Dwight D. Eisenhower, 1956 · 80.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
13,763votes
34.2% of the vote · R+31.0 · modeled estimate
Runner-up · Joe Biden, 2020 · 12,721 votes
Republican
Donald Trump2024
26,266votes
65.2% of the vote · R+31.0 · modeled estimate
Runner-up · Donald Trump, 2020 · 23,930 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Franklin D. Roosevelt1940
+43.2pts D vs U.S.
Place D+53.1 · U.S. D+9.9 · modeled estimate
Runner-up · Franklin D. Roosevelt, 1936 · +20.4 pts
Republican
Barry Goldwater1964
+83.4pts R vs U.S.
Place R+60.8 · U.S. D+22.6 · modeled estimate
Runner-up · Richard Nixon, 1972 · +52.6 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 48.1%13,613 | 51.9%14,670 | 28,283 |
| 2020 | D | 51.0%13,247 | 49.0%12,719 | 25,966 |
District 166 delivered a 31-point presidential margin in 2024, placing it among the state's most one-sided legislative districts. Its voting pattern reflects the heavily rural and exurban character common to heavily Republican corners of southern Georgia.
Across the recorded series it reached a Democratic high of 53.1 points in 1940 and a Republican high of 75.7 points in 1972. Between 2020 and 2024 the district moved 0.9 points toward the Republican candidate; the 2024 margin was 31.0 points.
A population of 60,242, a 83% non-Hispanic-white share, and a median household income of $119,415 describe the district. The district's voting pattern over the last decade is most similar to that of State House District 21 and State House District 60.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Georgia 166th State House District. Akashic. https://akashic.app/sld-lower/13166/. Accessed May 20, 2026. License: CC BY 4.0.