Elections for the Pennsylvania State Senate were held on November 7, 2000, with even-numbered districts being contested. State Senators are elected for four-year terms, with half of the Senate seats up for a vote every two years. The term of office for those elected in 2000 ran from January 3, 2001 until November 30, 2004. Necessary primary elections were held on April 27, 2004.

The make-up of the senate remained the same following the 2000 elections. Democratic Mike Stack defeated incumbent Republican Frank A. Salvatore

Frank A. Salvatore

Frank A. Salvatore is a former Republican member of the Pennsylvania State Senate and the Pennsylvania House of Representatives.-External links:* - official PA Senate profile ...

 in the 5th senatorial district

Pennsylvania Senate, District 5

Pennsylvania's 5th Senatorial district includes parts of Philadelphia County.Philadelphia County* City of Philadelphia * Ward 45* Ward 53 [PART, Divisions 06, 08, 10, 13, 14, 16, 17 and 18]...

. Republican Donald C. White

Donald C. White

Donald C. White is a Republican member of the Pennsylvania State Senate, representing the 41st District since 2001.He is chairman of the Senate Committee on Banking and Insurance and is the Vice Chairman of the Transportation Committee...

 defeated the democratic nominee to succeed the retiring Patrick J. Stapleton, Jr.

Patrick J. Stapleton, Jr.

Patrick J. Stapleton is a former Democratic member of the Pennsylvania State Senate.-Life:Stapleton, a native of Indiana, Pennsylvania, served in the U.S. Navy during World War II. He graduated from Indiana University of Pennsylvania in 1949....

 in the 41st senatorial district

Pennsylvania Senate, District 41

Pennsylvania's 41st Senatorial District comprises all of Indiana County, most of Armstrong County, parts of Butler and Clearfield County and a small part of Westmoreland County in it...

. Democratic Sean Logan

Sean Logan

Sean F. Logan is a Democratic politician and former member of the Pennsylvania State Senate who represented the 45th District from 2001 until his resignation on August 24, 2010.-External links:...

 succeeded the retiring Albert V. Belan.

Republican Bill Slocum

Bill Slocum

William L. "Bill" Slocum is a former Republican member of the Pennsylvania State Senate. Slocum pleaded guilty and spent a month in federal prison for filing false reports to the Pennsylvania Department of Environmental Protection and discharging raw sewage into Brokenstraw Creek while he was a...

 remained on the ballot in the 25th senatorial district

Pennsylvania Senate, District 25

Pennsylvania's 25th Senatorial district is one of the districts for the Pennsylvania State Senate.-Boundaries:The 25th Pennsylvania Senatorial district includes the entirety of the following counties:*Cameron*Elk*Jefferson*McKean*Potter*Tioga....

, even after his resignation from the senate on June 1, 2000. Slocum plead guilty and spent a month in federal prison for filing false reports to the Pennsylvania Department of Environmental Protection

Pennsylvania Department of Environmental Protection

The Pennsylvania Department of Environmental Protection was established on July 1, 1995, is the agency in the U.S. State of Pennsylvania responsible for protecting and preserving the land, air, water, and energy resources through enforcement of the State's environmental laws...

 and discharging raw sewage into Brokenstraw Creek

Brokenstraw Creek

Brokenstraw Creek is a tributary of the Allegheny River in Warren County, Pennsylvania in the United States.Brokenstraw Creek joins the Allegheny River downstream of the city of Warren.-External links:*...

 while he was a sewage plant manager in Youngsville, Pennsylvania

Youngsville, Pennsylvania

Youngsville is a borough in Warren County, Pennsylvania, United States. The population was 1,834 at the 2000 census.-Geography:Youngsville is located at ....

. The local Republican party supported the eventual winner, Joseph B. Scarnati III, who ran as an independent

Independent (politician)

In politics, an independent or non-party politician is an individual not affiliated to any political party. Independents may hold a centrist viewpoint between those of major political parties, a viewpoint more extreme than any major party, or they may have a viewpoint based on issues that they do...

 and changed his party registration to Republican after his election.

Affiliation		Members
	Republican Party	30
	Democratic Party	20
Total		50

General election