Jefferson County, Colorado

The 2000 Census showed that Jefferson County had a population of 526,440 people. This represented 12.16% of the total population of Colorado, making it the state's 2nd most populous county (out of 64 counties).

From the Census estimates for 2008^<1>, Jefferson had a population of 533,339 people. This is an increase of 1.31% since the 2000 Census.

The following table shows the recent changes in population. For the years after 2000, the population counts are estimated.

Jefferson County had 212,488 Housing Units^<2> at the time of the 2000 Census.

The 2000 Census shows that Jefferson County has a total area^<3> of 778 square miles [2,015 km²]. Of this total, only a minor amount of that area is covered by water (5.97 square miles [15.45 km²]).

Using the above population and land area values, Jefferson County had a population density of 681 people per square mile [263.3 people/km²], making it the state's 2nd most densely populated county (out of 64 counties).

US Census QuickFacts

The Census Bureau has created documents containing demographic information that are called QuickFacts. A QuickFact that is specific to Jefferson County is available. The QuickFact also contains a comparison between Jefferson and the state of Colorado.

Click here for the Jefferson County QuickFact (QF-08059).

Below are some of the communities that are located in Jefferson County:

Below are the counties that adjoin and form the boundaries of Jefferson County. A link to their specific Census QuickFact has been provided.

County	Census QuickFact	Direction	Population (2008 est)	Population (2000 Census)	Change in Population
Adams	QF-08001	NE	430,836	350,945	22.76%
Boulder	QF-08013	N	293,161	271,651	7.92%
Clear Creek	QF-08019	W	8,908	9,310	-4.32%
Denver	QF-08031	E	598,707	556,067	7.67%
Douglas	QF-08035	SE	280,621	180,290	55.65%
Gilpin	QF-08047	NW	5,153	4,815	7.02%
Park	QF-08093	SW	16,993	14,697	15.62%
Teller	QF-08119	S	21,661	20,648	4.91%

The Commemorative Quarter for Colorado<4>

Search for Local Businesses

We have prepared the following searches to help you find businesses, travel and vacation activities. It's likely that the search results won't include all of the businesses that are in this area, but the results should give you a good foundation for further searches.

For what it's worth: In addition to helping you submit your own search, clicking 'Other...' will frequently (but not always) show you some popular searches for this area.

If you find an error or your business wasn't included in the results, please contact Google to help them resolve the issue (we simply link to 'Search-by-Location' and have no control over their results).

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Footnotes