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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
Population
Estimate
2024-07-01
 
BoulderCounty209,050269,755294,567330,770330,262
ColoradoState3,294,3944,301,2615,029,1965,775,3245,957,493

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, urbanization, »race«, ethnicity).

Name StatusCountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2024-07-01
 
BoulderCityBoulder85,97594,21397,613108,556106,803
ErieTownWeld / Boulder1,8856,42018,17730,05338,594
JamestownTownBoulder173209274257246
LafayetteCityBoulder15,05223,14524,48230,37730,587
LongmontCityBoulder / Weld52,20371,56486,33098,91999,818
LouisvilleCityBoulder12,61818,92818,40921,24420,811
LyonsTownBoulder1,2441,6702,1192,2112,155
NederlandTownBoulder1,0981,2901,4451,4701,487
SuperiorTownBoulder / Jefferson2949,06112,48113,09513,654
WardTownBoulder150174150131127

Source: U.S. Census Bureau.

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


Further information about the population structure:

Gender (C 2020)
Males166,794
Females163,964
Age Groups (C 2020)
0-17 years62,118
18-64 years217,377
65+ years51,263
Age Distribution (C 2020)
80+ years10,496
70-79 years22,789
60-69 years38,425
50-59 years41,692
40-49 years41,973
30-39 years44,036
20-29 years54,840
10-19 years45,860
0-9 years30,647
Urbanization (C 2020)
Rural31,100
Urban299,658
»Race« (C 2020)
White255,983
Black/African American3,393
Indigenous2,509
Asian16,450
Pacific Islander274
Some other19,148
2 or more33,001
Ethnicity (C 2020)
Hispanic or Latino48,168
Other282,590