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County

NameStatusPopulation
census
2000-04-01
Population
census
2010-04-01
Population
estimate
2013-07-01
 
ColoradoFederal State4,302,0865,029,1965,268,367
BoulderCounty269,784294,571310,048

Contents: Incorporated Places

Name StatusCountyPopulation
census
2000-04-01
Population
census
2010-04-01
Population
estimate
2013-07-01
 
BoulderCityBoulder94,21397,468103,166
ErieTownWeld / Boulder6,42018,13319,723
JamestownTownBoulder269274283
LafayetteCityBoulder23,14524,45226,784
LongmontCityWeld / Boulder71,56486,30189,919
LouisvilleCityBoulder18,92818,40519,588
LyonsTownBoulder1,5842,0332,102
NederlandTownBoulder1,3771,4491,491
SuperiorTownBoulder / Jefferson9,06112,48312,865
WardTownBoulder174150155

Source: US Census Bureau (web).
2000 population of places in the boundaries of 2010. Later population figures refer to the boundaries of 2013.