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Boulder

County in Colorado

County

The population development of Boulder.

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
 
BoulderCounty209,050269,755294,567330,758
ColoradoState3,294,3944,301,2615,029,1965,773,714

Contents: Incorporated Places

The population development of the incorporated places in Boulder.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, »race«, ethnicity).

Name StatusCountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
 
BoulderCityBoulder85,97594,21397,613108,250
ErieTownWeld / Boulder1,8856,42018,17730,038
JamestownTownBoulder173209274256
LafayetteCityBoulder15,05223,14524,48230,411
LongmontCityBoulder / Weld52,20371,56486,33098,885
LouisvilleCityBoulder12,61818,92818,40921,226
LyonsTownBoulder1,2441,6702,1192,209
NederlandTownBoulder1,0981,2901,4451,471
SuperiorTownBoulder / Jefferson2949,06112,48113,094
WardTownBoulder150174150128

Source: U.S. Census Bureau (web).

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.