Hudson County is governed by the Hudson County Executive and a nine-member Board of Chosen Freeholders as a legislative body, who administer all county business.
Hudson joins Atlantic, Bergen, Essex and Mercer counties as one of the 5 of 21 New Jersey counties with an elected executive.
The County Executive is elected directly by the voters.
The members of the Board of chosen freeholders are elected concurrently to serve three-year terms as Freeholder, each representing a specified district which are equally proportioned based on population.
Each year, in January, the Freeholders select one of their nine to serve as Chair and one as Vice Chair for a period of one year.
 In 2016, freeholders were paid $43,714, the freeholder vice chairman received $45,754 and the freeholder chairman was paid an annual salary of $46,774; the freeholder salaries in the county were the highest in the state.
That year, the county executive was paid $151,299.

As of 2018, Hudson County's County Executive is Democrat Thomas A. DeGise, whose term of office expires December 31, 2019.
Hudson County's Freeholders (all serving concurrent terms that end on December 31, 2018) are:
Pursuant to Article VII Section II of the New Jersey State Constitution, each county in New Jersey is required to have three elected administrative officials known as "constitutional officers."
 These officers are the County Clerk and County Surrogate (both elected for five-year terms of office) and the County Sheriff (elected for a three-year term).
Hudson County's constitutional officers are:
The Hudson County Prosecutor is Esther Suarez, who was nominated to the position by Governor of New Jersey Chris Christie in June 2015.

The county seat of Hudson County is located near Five Corners on Newark Avenue in Jersey City, northeast of Journal Square.
The Hudson County Courthouse, and the adjacent Hudson County Administration Building, at 595 Newark Avenue, are home to various courts, agencies and departments.
Hudson County constitutes Vicinage 6 of the New Jersey Superior Court and is seated at the Administration Building, with additional facilities at the Hudson County Courthouse; the Assignment Judge for Vicinage 6 is the Honorable Peter F. Bariso Jr. The Hudson County court system consists of several municipal courts, including the busy Jersey City Court in addition to the Superior Court.

Many county offices and Hudson County Sheriff's patrol headquarters are located at Hudson County Plaza at 257 Cornelison Avenue in Jersey City.

The Hudson County Correctional Facility is located in South Kearny.
The Hudson County Meadowview Psychiatric Hospital is on County Avenue, Secaucus.

Three Congressional Districts cover the county, including portions of the 8th, 9th and 10th districts.
For the 116th United States Congress, New Jersey's Eighth Congressional District is represented by Albio Sires (D, West New York).
 For the 116th United States Congress, New Jersey's Ninth Congressional District is represented by Bill Pascrell (D, Paterson).
 For the 116th United States Congress, New Jersey's Tenth Congressional District is represented by Donald Payne Jr. (D, Newark).

The county is part of the 31st, 32nd and 33rd Districts in the New Jersey Legislature.
At 6.4 square miles (17 km²), the 33rd Legislative District has the smallest land area for a Legislative District.
Hudson County is governed by the Hudson County Executive and a nine-member Board of Chosen Freeholders as a legislative body, who administer all county business. Hudson joins Atlantic, Bergen, Essex and Mercer counties as one of the 5 of 21 New Jersey counties with an elected executive. The County Executive is elected directly by the voters. The members of the Board of chosen freeholders are elected concurrently to serve three-year terms as Freeholder, each representing a specified district which are equally proportioned based on population. Each year, in January, the Freeholders select one of their nine to serve as Chair and one as Vice Chair for a period of one year.  In 2016, freeholders were paid $43,714, the freeholder vice chairman received $45,754 and the freeholder chairman was paid an annual salary of $46,774; the freeholder salaries in the county were the highest in the state. That year, the county executive was paid $151,299.
As of 2018, Hudson County's County Executive is Democrat Thomas A. DeGise, whose term of office expires December 31, 2019. Hudson County's Freeholders (all serving concurrent terms that end on December 31, 2018) are:
Pursuant to Article VII Section II of the New Jersey State Constitution, each county in New Jersey is required to have three elected administrative officials known as "constitutional officers."  These officers are the County Clerk and County Surrogate (both elected for five-year terms of office) and the County Sheriff (elected for a three-year term). Hudson County's constitutional officers are:
The Hudson County Prosecutor is Esther Suarez, who was nominated to the position by Governor of New Jersey Chris Christie in June 2015.
The county seat of Hudson County is located near Five Corners on Newark Avenue in Jersey City, northeast of Journal Square. The Hudson County Courthouse, and the adjacent Hudson County Administration Building, at 595 Newark Avenue, are home to various courts, agencies and departments. Hudson County constitutes Vicinage 6 of the New Jersey Superior Court and is seated at the Administration Building, with additional facilities at the Hudson County Courthouse; the Assignment Judge for Vicinage 6 is the Honorable Peter F. Bariso Jr. The Hudson County court system consists of several municipal courts, including the busy Jersey City Court in addition to the Superior Court.
Many county offices and Hudson County Sheriff's patrol headquarters are located at Hudson County Plaza at 257 Cornelison Avenue in Jersey City.
The Hudson County Correctional Facility is located in South Kearny. The Hudson County Meadowview Psychiatric Hospital is on County Avenue, Secaucus.
Three Congressional Districts cover the county, including portions of the 8th, 9th and 10th districts. For the 116th United States Congress, New Jersey's Eighth Congressional District is represented by Albio Sires (D, West New York).  For the 116th United States Congress, New Jersey's Ninth Congressional District is represented by Bill Pascrell (D, Paterson).  For the 116th United States Congress, New Jersey's Tenth Congressional District is represented by Donald Payne Jr. (D, Newark).
The county is part of the 31st, 32nd and 33rd Districts in the New Jersey Legislature. At 6.4 square miles (17 km²), the 33rd Legislative District has the smallest land area for a Legislative District.
Hudson County, New Jersey