VA
Fairfax County
LatestD+34.7in 2024
Population1,147,8372024 ACS
Most similarFairfax cityVA · twin score 99.0
Key facts
- 2024 presidential margin
- D+34.7MIT Election Lab
- Population
- 1,147,8372024 5-year
- Population density
- 2,936 / sq mi2024 5-year · TIGER/Line
- Land area
- 391 sq miTIGER/Line
- Median household income
- $153,6372024 5-year
- White (non-Hispanic)
- 46.8%2024 5-year
- Black
- 9.4%2024 5-year
- Hispanic / Latino
- 17.6%2024 5-year
- Peak Democratic margin
- D+60.2 in 1912MIT Election Lab
- Peak Republican margin
- R+34.2 in 1928MIT Election Lab
- Most similar
- Fairfax city, VA · twin score 99.0
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 77.2%592,808 participants ÷ 767,585 CVAP
- 2020→2022 drop-off
- +26.5 ptsPresidential-dependent
- Drop-off versus state
- +2.7 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 50.8%–58.2%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 554,603 | 715,977 | 77.5% | A/A |
| 2018 · Midterm | 480,485 | 729,786 | 65.8% | C/A |
| 2020 · Presidential | 605,840 | 745,748 | 81.2% | A/A |
| 2022 · Midterm | 415,218 | 757,945 | 54.8% | A/A |
| 2024 · Presidential | 592,808 | 767,585 | 77.2% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 150/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
presidential history
Margin, 1892–2024 (partial returns from 1876)
| Year | Margin (D minus R) |
|---|---|
| 1892 | +16.9% |
| 1896 | +5.8% |
| 1900 | +17.2% |
| 1904 | +29.1% |
| 1908 | +47.4% |
| 1912 | +60.2% |
| 1916 | +42.4% |
| 1920 | +23.3% |
| 1924 | +32.2% |
| 1928 | −34.2% |
| 1932 | +32.4% |
| 1936 | +29.4% |
| 1940 | +15.8% |
| 1944 | −6.1% |
| 1948 | −12.8% |
| 1952 | −21.9% |
| 1956 | −13.8% |
| 1960 | −3.6% |
| 1964 | +22.5% |
| 1968 | −10.8% |
| 1972 | −33.9% |
| 1976 | −8.9% |
| 1980 | −26.7% |
| 1984 | −26.1% |
| 1988 | −22.8% |
| 1992 | −2.7% |
| 1996 | −1.6% |
| 2000 | −1.4% |
| 2004 | +7.3% |
| 2008 | +21.2% |
| 2012 | +20.5% |
| 2016 | +35.8% |
| 2020 | +41.9% |
| 2024 | +34.7% |