RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Colorado >> Jefferson County  

Welcome to Jefferson County ...

Time Zone: Jefferson County lies in the Mountain Time Zone (MST/MDT) and observes daylight saving time.

The community of Golden is the Seat for Jefferson County.

Jefferson County is one of the original counties of Colorado and was founded November 1, 1861.

From the Census Estimates for 2019, <1> Jefferson had a population of 582,800 people. This is an increase of 9.03% since the last Census (which gave a population of 534,543 people in 2010).

At the time of the 2010 Census, Jefferson represented 10.63% of the total population of Colorado.

Below are some of the communities located in Jefferson County:

  • Arvada
    (6 miles [9.7 km] to the northeast)
    • Jump to our Gazetteer entry for Arvada
    • Arvada is located in Jefferson County (CO)
    • Population from the 2020 Census: 121,936 people
    • Jump to TripAdvisor's Tourism page for Arvada <2>
  • Edgewater
    (4 miles [6.4 km] to the east)
    • Note: The GPS coordinates that we are using for Edgewater have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Edgewater
    • Edgewater is located in Jefferson County (CO)
    • Population from the 2020 Census: 5,393 people
    • Jump to TripAdvisor's Tourism page for Edgewater <2>
  • Golden
    (4 miles [6.4 km] to the northwest)
    • Jump to our Gazetteer entry for Golden
    • Golden is located in Jefferson County (CO)
    • Population from the 2020 Census: 20,347 people
    • Jump to TripAdvisor's Tourism page for Golden <2>
  • Lakeside
    (5 miles [8 km] to the northeast)
  • Lakewood
    (2 miles [3.2 km] to the southeast)
    • Note: The GPS coordinates that we are using for Lakewood have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Lakewood
    • Lakewood is located in Jefferson County (CO)
    • Population from the 2020 Census: 157,429 people
    • Jump to TripAdvisor's Tourism page for Lakewood <2>
  • Morrison
    (7 miles [11.3 km] to the southwest)
    • Note: The GPS coordinates that we are using for Morrison have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Morrison
    • Morrison is located in Jefferson County (CO)
    • Population from the 2020 Census: 430 people
    • Jump to TripAdvisor's Tourism page for Morrison <2>
  • Mountain View
    (5 miles [8 km] to the northeast)
    • Note: The GPS coordinates that we are using for Mountain View have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Mountain View
    • Mountain View is located in Jefferson County (CO)
    • Population from the 2020 Census: 549 people
  • Wheat Ridge
    (4 miles [6.4 km] to the northeast)

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
 

Copyright 2024
All Rights Reserved

Thank you for visiting our website.

In closing, please keep in mind that we can not guarantee the accuracy or timeliness of the information on this website, so use with care. We encourage you to double-check the information that is critical to you.

If you've found an error or have additional information that you would like to share, please don't hesitate to write: Click here to contact us.

This page was last modified/updated: 26 Feb 2024