|This topic is well-covered by the wikipedia article Louisa County, Virginia|
Louisa is governed by a seven-board member Board of Supervisors, each of whom is elected to represent a magisterial district. The county administrator is Christian R. Goodson.
Board of Supervisors
- Robert Babyok, Chair, Green Springs District, term expires December 31, 2021
- Eric F. Purcell, Vice Chair, Louisa District, term expires December 31, 2023
- Duane Adams, Mineral District, term expires December 31, 2021
- Tommy Barlow, Mountain Road District, term expires December 31, 2021
- Fitzgerald D. Barnes, Patrick Henry District, term expires December 31, 2021
- Willie L. Gentry, Jr, Cuckoo District, term expires December 31, 2023
- R.T. "Toni" Williams, Jr, Jackson District, term expires December 31, 2023
- Holly Reynolds, Chair
- Gordon Brooks, Vice Chair
- Ellis Quarles
- Cyrus Weaver
- George Goodwin
- Greg Jones
- John Disosway
- Tommy Barlow, Board of Supervisors liaison
- Ed Jarvis, Town of Mineral representative
On February 16, 2021, the Board of Supervisors approved a revision of the zoning ordinance to add several growth overlay districts. Construction in these areas are subject to the architectural design review. 
In the general election, two of the magisterial districts have contested races and another two have candidates who are running opposed.
In the Green Springs district, incumbent Robert Babyok Jr. faces challenger Rachel Jones.
In the Patrick Henry district, incumbent Fitzgerald Barnes faces William Woody Jr.
Duane Adams is unopposed in the Mineral District.
Tommy J. Barlow is unopposed in the Mountain Road District.
Donnie Lowe was elected as Sheriff.
Commonwealth's Attorney R.E. "Rusty" McGuire ran unopposed and was re-elected.
Treasurer Henry B. Wash was re-elected after running unopposed.
Willie L. Gentry, Jr was re-elected as supervisor for the Cuckoo District.
Eric F. Purcell was elected to the Louisa District.
R.T. "Toni" Williams, Jr was re-elected for the Jackson District.
Stacey Coleman Fletcher won re-election as Commissioner of Revenue.
The Louisa County Water Authority provides drinking water and treats wastewater for regions under its jurisdictional footprint. 
- Northeast Creek Wastewater Treatment Plant (NEC WTP)
- Zion Crossroads Wastewater Treatment Plant (ZCWWTP)
- Louisa Regional Wastewater Treatment Plant (LRWWPT)
There is a Louisa County Landfill that is still operational. The Board of Supervisors approved a new solid waste disposal cell at its meeting on September 4, 2019 at a cost of $2.4 million. 
- Web. State & County QuickFacts, United States Census Bureau
- Web. Find a County, National Association of Counties
- Web. Analyzing area's growth will be key for future planning, Daily Progress, Lee Enterprises, February 5, 2011, retrieved February 9, 2011.
- Web. Virginia Population Estimates, Website, Weldon Cooper Center for Public Service, January 30, 2017, retrieved April 4, 2017.
- Web. Overlay districts approved in county’s eight growth areas, David Holtzman, News Article, The Central Virginian, Louisa County, February 19, 2019, retrieved May 15, 2021.
- Web. Some incumbents ousted across Central Virginia, Ruth Serven Smith, Daily Progress, Lee Enterprises, November 5, 2019, retrieved November 16, 2019.
- Web. Unofficial Results for Louisa County, Virginia State Board of Elections, November 6, 2019, retrieved November 16, 2019.
- Web. Agenda Packet for August 5, 2019 Louisa Board of Supervisors Meeting, Louisa County, retrieved August 4, 2019.