RepublicanIn office since Nov 2000

Jim Anderson

Wyoming State Senator, District 28 since 2000. Next on the ballot in 2028.

Wyoming State Senator, District 28

In office
26 yrs
Since 2000
Bills became law
0
2 sponsored, 2025–2026 session
Votes missed
2.7%
Chamber median 1.4%
With party
44%
On votes splitting the parties
Last margin
+42.4
Won 2016
Next election
2028
Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Oct 27, 2026, 9:43 AM ET

Committees

As of 2026-10.

  • Minerals, Business and Economic Development · chair
  • Transportation, Highways and Military Affairs

Source: Open States committeesUpdated Oct 27, 2026, 9:43 AM ET

Legislation

2025–2026 session · 2 sponsored · 0 became law

No bills in this list for the 2025–2026 session.

Source: Open States billsUpdated Nov 6, 2026, 4:22 PM ET

Voting record

2025–2026 session · placement by roll-call votes

Where Anderson sits in the Wyoming State Senate

Anderson is closer to the center than 83% of the chamber's Republicans.

Dem. medianRep. medianAndersonMore liberalMore conservative

Closest: Ed Cooper, Bill Landen, Wendy Schuler

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:10 PM ET

With Anderson’s party

  • Votes with the chamber's Republicans44%
  • Cosponsorships of the other party's bills4%

Black tick: the average of Republicans in the Wyoming State Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Anderson’s vote, each party’s majority, and the result. An orange vote differs from most Republicans.

DateBillAndersonRep. majorityDem. majorityResult
Mar 11, 2026SF 119: Strategic investments and projects account-repeal-2.NoYesYesPassed 20–10
Mar 11, 2026SF 101: Second amendment protection act amendments-3.NoNoYesFailed 12–18
Mar 7, 2026SF 1: General government appropriations.YesYesYesPassed 24–5
Mar 6, 2025HB 36: Hathaway scholarship-amendments.YesYesNoPassed 23–8
Mar 6, 2025HB 94: Charter school authorizations-amendments.NoYesNoPassed 21–10

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Anderson was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

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

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

YearRaceResultMargin
2024Wyoming State Senate, District 28Won—
2020Wyoming State Senate, District 28Won—
2016Wyoming State Senate, District 28WonR+42.4
2012Wyoming State Senate, District 28WonR+29.9
2012Wyoming State Senate, District 2Won—
2008Wyoming State Senate, District 2WonR+48.6
2004Wyoming State Senate, District 2Won—
2000Wyoming State Senate, District 2WonR+24.3
1998Wyoming House of Representatives, District 6Won—
1996Wyoming House of Representatives, District 6Won—

Source: 99chambers results archive

Seats Anderson has held

Source: 99chambers results archive

Who Anderson has run against

  • Kimberly Holloway (D) · 2016 general, won
  • Kim Holloway (D) · 2012 general, won
  • Jason Wright (D) · 2008 general, won
  • Beckstead (D) · 2000 general, won

Source: 99chambers results archive

How we know Anderson

One person, matched across every source we use.

Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Oct 27, 2026, 9:43 AM ET