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Home >> Colorado >> Boulder County >> Boulder >> Census

Boulder, Colorado

Boston Heights
(Adams County)

Boulder Junction
(Boulder County)

Open an interactive map for Boulder and the surrounding area.

Current Weather

The 2000 Census showed that Boulder had a population of 94,673 people.^<1> This represents 2.19% of the total population of Colorado, making it the state's 9th most populous community.

The following table shows the recent changes in population. Other than 2000, the population counts have been estimated by the Census Bureau.

Year	Population	Change Since 2000	Year-to-Year Change
2008	94,171	-0.53%	+1.14% since 2007
2007	93,106	-1.66%	+0.83% since 2006
2006	92,342	-2.46%	+0.18% since 2005
2005	92,176	-2.64%	-0.66% since 2004
2004	92,790	-1.99%	-0.42% since 2003
2003	93,183	-1.57%	-1.03% since 2002
2002	94,149	-0.55%	-0.75% since 2001
2001	94,859	+0.2%	+0.2% since 2000
---
2000	94,673	The Last Census

Below is a list of similarily sized communities (rank is based on the 2000 Census):

Rank	Community	Direction	Distance ^<2>	2008 Population	Change Since 2000
6	Arvada	SE	16 mi [25.75 km]	107,361	5.1% increase
7	Pueblo	S	126 mi [202.8 km]	104,951	2.77% increase
8	Westminster	SE	14 mi [22.53 km]	107,056	6.06% increase
-9-	Boulder			94,171	0.53% decrease
10	Thornton	SE	17 mi [27.36 km]	113,429	37.68% increase
11	Greeley	NE	36 mi [57.9 km]	91,492	18.93% increase
12	Longmont	NE	12 mi [19.31 km]	85,928	20.87% increase

The city of Boulder is located in Boulder County and for a more general look at the area, please visit our Census Page for Boulder County.

To learn more about neighboring communities, please visit the Neighborhood Page for Boulder.

Boulder had 40,726 Housing Units ^<3> at the time of the 2000 Census.

The 2000 Census shows that Boulder has an area ^<4> of 24.37 square miles [63.1 km²].

Using the above population and land area values, Boulder had a 2000 population density of 3,884 people per square mile [1,499 people/km²], making it the state's 8th most densely populated area.

Boulder County

Boulder is located in Boulder County and is the county seat.

The county had a population of 271,651 people at the 2000 Census. With it's population of 94,673 people, Boulder contained 34.85% of the Boulder County total.

In addition, where the community of Boulder has a population density of 3,884 people per square mile [1,499 people/km²], Boulder County averages 365.9 people per square mile [141.3 people/km²].

For more information, please visit our Census Page for Boulder County.

US Census QuickFacts

The Census Bureau has created documents containing demographic information called QuickFacts. Although they don't create QuickFacts for all communities, they do have one for Boulder. Not only does the QuickFact have details about Boulder, it also contains a comparison between Boulder and the state of Colorado.

Click here for the Boulder QuickFact (QF-0807850).

A Census Quickfact is available for Boulder County (QF-08013).

Below are QuickFacts for the counties that border Boulder County.

County	Census QuickFact	Direction	2008 Population	Change Since 2000
Adams	QF-08001	SE	430,836	22.76% increase
Gilpin	QF-08047	SW	5,153	7.02% increase
Grand	QF-08049	W	13,781	10.34% increase
Jefferson	QF-08059	S	533,339	1.31% increase
Larimer	QF-08069	N	292,825	15.68% increase
Weld	QF-08123	NE	249,775	36.46% increase

Miscellaneous Information

The Federal government has assigned identifying codes to each community, county and state. The following FIPS codes apply to Boulder:

	State Code:	08 (Colorado)
	County Code:	013 (Boulder County)
	Place Code:	07850 (Boulder)

	State & County Code:	08013 (Colorado/Boulder County)

	State & Place Code:	0807850 (Colorado/Boulder)

Boulder is located in Census Region #4 (the West Region) and in Division #8 (the Mountain Division).

For more information about various Federal Codes, please visit our Misc. Page for Boulder.

Other Roadside Stops

About Colorado

About Boulder County

Find a Community within Colorado

Off-the-Road Links

The following websites contain collections of photos taken around Boulder:

U.S. Census Bureau

Flickr.com

Panoramio.com

Looking for more websites and/or information centered on Boulder? Please visit the Map Page for Boulder.

Footnotes

<1>	Population counts have been provided by the U.S. Census Bureau. - Return to Citation
<2>	Our distances are calculated as a straight-line (or point-to-point) distance between Boulder and the indicated community. The distance should be treated as an estimate and not as the driving distance. - Return to Citation
<3>	A Housing Unit is a broad term for those places where people live (whether occupied or temporarily vacant), such as a house, an apartment, a mobile home, or an area that is considered as a separate living quarter. Separate living quarters (consisting of one or more rooms) are considered to be those places where people live, sleep and eat separately from others and that have access to the outside (either directly or by a shared hallway). - Return to Citation
<4>	The area value has been supplied by the US Census Bureau and it can be different than the geographic boundaries of Boulder. The value given by the Census Bureau reflects their statistical (or sampling) requirements. For example, if there is a cluster of people living just outside of the community's official boundary, the Census-defined area might be expanded to include that group. - Return to Citation


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Last Modified: 10 Jan 2010