Boulder, Colorado

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

The following is a list of similarily sized communities (based on the 2000 Census):

Rank	Community	Population	Direction	Distance<2>
7	Pueblo	102,121	S	126 mi [202.8 km]
8	Westminster	100,940	SE	17 mi [27.36 km]
9	Boulder	94,673
10	Thornton	82,384	SE	18 mi [28.97 km]
11	Greeley	76,930	NE	40 mi [64.4 km]

Every year, the US Census produces an estimate for the number of people living in Boulder. The most recent estimate is for the year 2007 and at that time, Boulder had a population of 93,552 people. This is a decrease of 1.18% since the 2000 Census.

The following table contains the yearly population estimates since the last Census (the next Census will be in 2010).

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

The 2000 Census shows that Boulder has a total area of 25.37 square miles [65.7 km²]^<4>. Of this total, 24.37 square miles [63.1 km²] of the area is land, with the balance (3.93%) being water (1 square miles [2.58 km²]).

Using the above population and land area values, Boulder had a 2000 population density of 3,884 people per square mile [10,059 people/km²], making it the state's 9th most densely populated area.

Boulder County

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

The county had a population of 271,669 people at the 2000 Census. With it's population of 94,673 people, Boulder accounted for 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 [10,059 people/km²], Boulder County averages 365.9 people per square mile [947 people/km²].

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

Population Rings

To help identify the number of people who live in Boulder and the surrounding area, we have drawn concentric rings centered on Boulder. We counted the number of communities within each ring and summed their populations.^<5>

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).

The following communities are nearby Boulder and also have Census QuickFacts:

	Community	Census QuickFact	Direction	Distance	Population (2007 est)	Population (2000 Census)	Change in Population
	Broomfield	QF-0809280	SE	11 mi [17.7 km]	53,691	38,272	40.29%
	Longmont	QF-0845970	NE	13 mi [20.92 km]	84,995	71,093	19.55%
	Arvada	QF-0803455	SE	17 mi [27.36 km]	106,328	102,153	4.09%
	Northglenn	QF-0854330	SE	17 mi [27.36 km]	33,521	31,575	6.16%
	Westminster	QF-0883835	SE	17 mi [27.36 km]	106,195	100,940	5.21%
	Thornton	QF-0877290	SE	18 mi [28.97 km]	110,880	82,384	34.59%
	Wheat Ridge	QF-0884440	SE	20 mi [32.19 km]	30,827	32,913	-6.34%
	Lakewood	QF-0843000	SE	23 mi [37.01 km]	140,305	144,126	-2.65%

For more about neighboring communities, please visit our Boulder Neighborhood Page.

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

Below are QuickFacts for the counties that border Boulder County.

	County	Census QuickFact	Direction	Population (2007 est)	Population (2000 Census)	Change in Population
	Adams	QF-08001	SE	422,495	350,983	20.37%
	Gilpin	QF-08047	SW	5,091	4,816	5.71%
	Grand	QF-08049	W	13,612	12,489	8.99%
	Jefferson	QF-08059	S	529,354	526,460	0.55%
	Larimer	QF-08069	N	287,574	253,145	13.6%
	Weld	QF-08123	NE	243,750	183,060	33.15%

Miscellaneous Information

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

Search for Local Businesses

People have found Google's 'Search-by-Location' to be a useful tool when planning visits to this area. We have prepared the following searches to help you find businesses, travel and vacation activities that are in (or close to) Boulder. 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).

The Commemorative Quarter for Colorado

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Footnotes

All Quarter-dollar coin images from the United States Mint.