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County

NameStatusPopulation
census
2000-04-01
Population
census
2010-04-01
Population
estimate
2012-07-01
 
BoulderCounty269,784294,571305,318
ColoradoFederal State4,302,0865,029,1965,187,582

Contents: Incorporated Places

Name StatusCountyPopulation
census
2000-04-01
Population
census
2010-04-01
Population
estimate
2012-07-01
 
BoulderCityBoulder94,21397,468101,808
ErieTownWeld / Boulder6,42018,13319,272
JamestownTownBoulder269274281
LafayetteCityBoulder23,14524,45225,733
LongmontCityWeld / Boulder71,56486,28188,669
LouisvilleCityBoulder18,92818,40519,074
LyonsTownBoulder1,5842,0332,092
NederlandTownBoulder1,3771,4451,478
SuperiorTownBoulder / Jefferson9,06112,48312,782
WardTownBoulder174150154

Source: US Census Bureau (web).
2000 population of places in the boundaries of 2010. Later population figures for places in the boundaries of 2012.