State rankings

Registered Voters by Party

California has the highest Total Registered Voters in 2025 (22.9M), followed by Florida (13.6M) and New York (12.4M). Wyoming has the lowest (274.8K).

Politics & GovernmentPopulation32 states · 9 metricsUpdated Mar 17, 2025Original page
1 source
31 of 51 states
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Total Registered Voters, 2025

Darker means higher. Click a place to highlight it.

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All 31 ranked

Highest first.

Distribution Median and middle halfThe median is the middle value: half of places are above it, half below. The middle half is the range holding the central 50% of places.More in the glossary →

Each dot is one state; the lines mark the median and the middle half.

Median
2.1M
Middle half 1M – 4.4M
Average
3.9M
31 states
Highest
22.9M
California
Lowest
274.8K
Wyoming

Over time · 2022–2025

The top 5 in 2025, against the median.

  • Median of all states
  • California
  • Florida
  • New York
  • Pennsylvania
  • North Carolina

Data

Click a column to sort, a row to highlight that place on the charts.

31 states · # = rank by Total Registered Voters
#
1California22.9M
2Florida13.6M
3New York12.4M
4Pennsylvania8.9M
5North Carolina7.5M
6New Jersey6.6M
7Massachusetts5M
8Arizona4.5M
9Maryland4.3M
10Colorado4.1M
11Kentucky3.3M
12Oregon3M
13Louisiana3M
14Oklahoma2.4M
15Connecticut2.3M
16Nevada2.1M
17Kansas2M
18Utah1.8M
19Iowa1.8M
20New Mexico1.3M
21Nebraska1.3M
22West Virginia1.2M
23Maine1M
24Idaho1M
25New Hampshire980.1K
26Delaware794.1K
27Rhode Island744.5K
28South Dakota632.3K
29Alaska599.1K
30District of Columbia474.6K
31Wyoming274.8K

What correlates with Total Registered Voters (2025)?

Pearson r against 2,056 other state metrics sharing at least 19 states, 25 near-identical series hidden. Ranks are read by standing: a better rank counts as higher, whether rank 1 is the best place on a list or the worst. Correlation is not causation.

Higher together

Places that have a higher Total Registered Voters tend to score higher on these (or rank better)

  1. Total NursesNurse-Patient Ratios by State
    r = +0.99 · very strong · n = 31
    Plot
  2. Births CDCBirth Rate by State
    r = +0.99 · very strong · n = 31
    Plot
  3. Autism Cases - FemalesAutism Rates by State
    r = +0.99 · very strong · n = 31
    Plot
  4. Post-2010 Rep ApportionmentNumber of Representatives by State
    r = +0.99 · very strong · n = 30
    Plot
  5. Autism CasesAutism Rates by State
    r = +0.99 · very strong · n = 31
    Plot
  6. Total Delegate CountDelegate Count by State
    r = +0.99 · very strong · n = 31
    Plot

Opposite directions

Places that have a higher Total Registered Voters tend to score lower on these (or rank worse)

  1. FTE Convictions RankMost Corrupt StatesA rank: rank 1 is the worst
    r = −0.76 · very strong · n = 30
    Plot
  2. Number of SeasonsAll Four Seasons States
    r = −0.72 · very strong · n = 31
    Plot
  3. Req. English CreditsHigh School Graduation Requirements by State
    r = −0.71 · very strong · n = 28
    Plot
  4. Married (Both Spouses Applying) (MWHCBSMarried)Medicaid Income Limits by State
    r = −0.65 · strong · n = 28
    Plot
  5. BBQ Ribs Search Volume IndexBest BBQ by State
    r = −0.60 · strong · n = 30
    Plot
  6. Fuel Prices (1-10)Best States for Camping
    r = −0.58 · strong · n = 30
    Plot

Quick answers

Which state has the highest Total Registered Voters?
California has the highest Total Registered Voters in 2025, at 22.9M, followed by Florida (13.6M) and New York (12.4M).
Which state has the lowest Total Registered Voters?
Wyoming has the lowest Total Registered Voters in 2025, at 274.8K.
What is the median Total Registered Voters across US states?
The median is 2.1M across the 31 US states with data in 2025.
Where does this registered voters by party data come from?
Rankodex compiles it from World Population Review and the primary sources it cites: Partisan affiliations of registered voters - Ballotpedia.