RoadsideThoughts
A Gazetteer for the United States and Canada
Home >> State of Montana >> 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 Boulder is the Seat for Jefferson County.

Jefferson County is one of the original counties of Montana and was founded in 1864.

From the Census Estimates for 2019, <1> Jefferson had a population of 12,211 people. This is an increase of 7.06% since the last Census (which gave a population of 11,406 people in 2010).

At the time of the 2010 Census, Jefferson represented 1.15% of the total population of Montana.

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.





 

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