Boulder County, Colorado Population 2018

Boulder County, Colorado's estimated population is 322,514 with a growth rate of 0.42% in the past year according to the most recent United States census data. Boulder County, Colorado is the 8th largest county in Colorado.

Year Population Growth Growth Rate
2017316,782-5,732-1.78%
2017322,5141,3410.42%
2016321,1733,2051.01%
2015317,9685,4631.75%
2014312,5052,7560.89%
2013309,7494,7211.55%
2012305,0284,5101.50%
2011300,5184,5881.55%
2010295,93070,59131.33%
1990225,33935,71418.83%
1980189,62557,73643.78%
1970131,88957,63577.62%
196074,25425,95853.75%
195048,29610,85829.00%
194037,4384,98215.35%
193032,4565951.87%
192031,8611,5315.05%
191030,3308,78640.78%
190021,5447,46252.99%
189014,0824,35944.83%
18809,7237,784401.44%
18701,9390.00%

Boulder County, Colorado Population Growth

Population Data via

Population by Race

Race Population
White280,804
Asian14,305
Two or More Races9,313
Some Other Race7,670
Black or African American2,737
American Indian and Alaska Native1,682
Native Hawaiian and Other Pacific Islander271

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Boulder County, Colorado Population Pyramid 2018

5,00010,00015,000 Male Population5,00010,00015,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Boulder County, Colorado Median Age

36.2


Total

34.8


Male

37.6


Female

Boulder County, Colorado Adults

There are 253,646 adults, (39,969 of whom are seniors) in Boulder County, Colorado.

Boulder County, Colorado Age Dependency

48.3

Age Dependency Ratio

18.7

Old Age Dependency Ratio

29.5

Child Dependency Ratio

Boulder County, Colorado Sex Ratio

Female

157,670

49.77%

Male

159,112

50.23%

Boulder County, Colorado Households and Families

Boulder County, Colorado Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Boulder County, Colorado Household Types

Type Owner Renter
Married81%19%
All62.2%37.8%
Male51.2%48.8%
Female51.1%48.9%
Non Family44%56%

62.2%

Rate of Home Ownership

Boulder County, Colorado Households by Type

Type Count Average Size Owned
All125,0262.4462.2
Married58,8283.0881
Non Family51,6871.5244
Female9,4963.1651.1
Male5,0153.1151.2

3.01

Average Family Size

2.44

Average Household Size

5.8%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Boulder County, Colorado Households

Boulder County, Colorado Education

Boulder County, Colorado Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade4,4472.16%
9th to 12th Grade6,6773.25%
High School Graduate25,49812.39%
Some College32,13215.62%
Associates Degree12,7846.21%
Bachelors Degree67,02632.58%
Graduate Degree57,19327.80%

Boulder County, Colorado Educational Attainment by Race

Name Total High School Bachelors
White169,492165,949110,243
Hispanic21,99815,5865,222
Asian9,0628,1776,019
Other Race3,9542,567681
Multiple Races3,7383,4662,048
Black1,5801,460637
Native American1,086877279
Islander13711048

The highest rate of high school graduation is among white people with a rate of 97.91%.

The highest rate of bachelors degrees is among white people with a rate of 66.42%.

Boulder County, Colorado Earnings by Educational Attainment

Name Average Male Female
Overall$46,325$56,006$36,813
Less Than High School$23,336$25,965$19,514
High School Grad$29,439$33,304$24,835
Some College$35,586$41,141$29,630
Bachelors Degree$51,692$66,441$40,630
Graduate Degree$70,362$93,710$51,997

$46,325

Average Earnings

$56,006

Average Male

$36,813

Average Female

Boulder County, Colorado Language

Boulder County, Colorado Language by Age

Boulder County, Colorado Language

83.89% of Boulder County, Colorado residents speak only English, while 16.11% speak other languages. The largest non-English language is Spanish, which is spoken by 9.30% of the population.

Boulder County, Colorado Poverty

Boulder County, Colorado Poverty by Race

Name Total In Poverty Poverty Rate
White239,59226,72011.15%
Hispanic42,1579,92423.54%
Other7,6111,97926.00%
Asian13,0981,46311.17%
Multiple9,0701,39015.33%
Black2,52953721.23%
Native1,63831018.93%
Islander2069847.57%

13.05%

Overall Poverty Rate

12.63%

Male Poverty Rate

13.47%

Female Poverty Rate

Poverty in Boulder County, Colorado

The race most likely to be in poverty in Boulder County, Colorado is Islander, with 47.57% below the poverty level.

The race least likely to be in poverty in Boulder County, Colorado is White, with 11.15% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.09%. Among those working part-time, it was 23.28%, and for those that did not work, the poverty rate was 19.24%.

Boulder County, Colorado Poverty Rate by Education

Name Poverty
Less Than High School23.72%
High School13.91%
Some College8.58%
Bachelors or Greater4.93%

Boulder County, Colorado Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed32.22%
Female Unemployed24.29%
Female Employed10.25%
Male Employed7.32%

Boulder County, Colorado Income

Boulder County, Colorado Income by Household Type

Name Median Mean
Households$75,669$104,898
Families$103,677$132,940
Married Families$119,675$148,255
Non Families$44,162$62,395

Boulder County, Colorado Marital Status

Boulder County, Colorado Marital Status

Marriage Rates

47.0%

Overall Marriage Rate

47.4%

Male Marriage Rate

46.7%

Female Marriage Rate

Boulder County, Colorado Married by Age and Sex

Boulder County, Colorado Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 35To44.

Boulder County, Colorado Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Boulder County, Colorado Veterans

Boulder County, Colorado Veterans by War

14,468

Number of Veterans

13,357

Male Veterans

1,111

Female Veterans

Name Veterans
Vietnam5,255
First Gulf War2,577
Second Gulf War2,132
Korea1,252
World War II874

Boulder County, Colorado Veterans by Age

Name Veterans
65 to 743,886
75+3,797
35 to 543,233
55 to 642,260
18 to 341,292

Boulder County, Colorado Veterans by Race

Name Veterans % of Total
White13,7466.05%
Hispanic8873.10%
2 or More3215.71%
Other1733.25%
Black1175.26%
Asian920.80%
Indian191.47%

Boulder County, Colorado Veterans by Education

7.61%

Veteran Poverty Rate

24.49%

Veteran Disability Rate

Boulder County, Colorado Employment Status

Boulder County, Colorado Employment by Age

69%

Labor Force Participation

65.4%

Employment Rate

5.2%

Unemployment Rate

Boulder County, Colorado Employment by Race

Boulder County, Colorado Employment by Education

Population of Cities in Boulder County, Colorado

City 2010 Census 2016 Estimated Growth Growth Rate
Boulder977301080901036010.60%
Longmont 863089285865507.59%
Lafayette2443928261382215.64%
Erie 1816422803463925.54%
Louisville1841020801239112.99%
Superior 12481131556745.40%
Lyons203521481135.55%
Nederland14491534855.87%
Jamestown274273-1-0.36%
Ward15015664.00%
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990