Jefferson
CO flag

Jefferson

County

Territory

  • officials recorded 4
  • partly recorded 5
  • nothing recorded 15
GEOID
08059
OCD-ID
ocd-division/country:us/state:co/county:jefferson
POP
580,451 (2025)
CENTER
39.5864, -105.2505
SOURCE
census tiger

Government of Jefferson

Bodies, seats, agencies and services that belong to Jefferson itself. Jurisdictions inside it are listed separately below.

Organization 8

Departments

  • Prosecutes all state criminal offenses in Jefferson and Gilpin counties. Handles cases from eleven municipal police departments, two sheriffs' departments, two college police departments, and state and federal law enforcement agencies.

  • Elected county office responsible for discovering, listing, and valuing all taxable property in Jefferson County for ad valorem tax purposes.

  • Governing body of Jefferson County, Colorado. Three commissioners elected from single-member districts to four-year staggered terms. Sets policy, establishes property tax rates, and adopts the county budget.

  • Elected county office providing voter registration and elections, vehicle registration, marriage licenses, property records, and document recording services for Jefferson County, Colorado.

  • County department providing social services including child welfare, adult protection, public assistance, workforce development, and community support programs for Jefferson County, Colorado.

  • County public health department providing disease prevention, health promotion, environmental health, and community wellness services for Jefferson County, Colorado.

  • Primary law enforcement agency for Jefferson County, Colorado. Provides patrol, investigations, detention, court security, and civil process services. Over 500 state-certified deputies and almost 300 professional staff.

  • Elected county office responsible for collecting and distributing property taxes, managing county investments, and processing tax lien sales for Jefferson County, Colorado.

Within Jefferson

Each of these governs itself. Counts are that jurisdiction's own records.

jurisdictions
25
agencies
69
bodies
9
officials
25
Name Agencies Bodies Officials
Lakewood 11 1 11
Arvada 9 1 5
Westminster 9 1 6
Wheat Ridge 7 1 0
Golden 7 1 3
Edgewater 11 1 0
Mountain View 6 1 0
Morrison 6 1 0
Lakeside 3 1 0
Applewood 0 0 0
Aspen Park 0 0 0
Brook Forest 0 0 0
Coal Creek 0 0 0
Columbine 0 0 0
Dakota Ridge 0 0 0
East Pleasant View 0 0 0
Evergreen 0 0 0
Fairmount 0 0 0
Genesee 0 0 0
Idledale 0 0 0
Indian Hills 0 0 0
Jefferson County School District R-1 0 0 0
Ken Caryl 0 0 0
Kittredge 0 0 0
West Pleasant View 0 0 0