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Jefferson County voter turnout

How many people does one vote speak for in Jefferson County, Colorado?

Each vote here counts for 1.5 people

Only 66% of eligible citizens in Jefferson County voted in the 2022 midterm.

2024 presidential: 79% turnout · 1.3 people per vote

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2022 midterm turnout
65.6%
1.5 people per vote
2024 presidential turnout
79.0%
1.3 people per vote
Eligible citizens
457,787
citizens 18+
Didn’t vote in 2022
157,422
eligible citizens
Rank in Colorado
#46 of 64
for vote power

Turnout in Jefferson County

In the November 2022 midterm, 300,365 of Jefferson County’s 457,787 eligible citizens voted: 65.6% turnout. That’s 8.2 points higher than Colorado overall (57.4%) and 19.6 points higher than the national rate (46.0%). With 157,422 eligible citizens sitting it out, each ballot cast spoke for 1.5 people.

In the 2024 presidential election, turnout was 79.0%, so each ballot spoke for 1.3 people. Midterm turnout here ran 13.4 points below the presidential year, which is why every vote in a midterm like 2026 carries extra weight.

Jefferson County ranks #46 of 64 counties in Colorado for vote power (#1 has the lowest turnout, so each vote there counts for the most people).

Election Day is Tuesday, November 3, 2026 — register or check your status at vote.org.

Counties near Jefferson County in the Colorado ranking (2022 midterm)
CountyRankTurnoutPer vote
Teller County#4365.2%1.5
Broomfield County#4465.6%1.5
Huerfano County#4565.6%1.5
Jefferson County#4665.6%1.5
Washington County#4765.7%1.5
Clear Creek County#4866.1%1.5
Park County#4966.1%1.5

See all 64 Colorado counties ranked →

Sources. Votes cast: MIT Election Data and Science Lab, county presidential returns (2024) and precinct-level returns (2022; highest statewide or U.S. House vote total per county). Eligible citizens: U.S. Census Bureau citizen voting-age population, 2020–2024 ACS 5-year estimates. How it works.