Jefferson County, Colorado Population 2018

Jefferson County, Colorado's estimated population is 574,613 with a growth rate of 0.66% in the past year according to the most recent United States census data. Jefferson County, Colorado is the 4th largest county in Colorado.

Year Population Growth Growth Rate
2017564,029-10,584-1.84%
2017574,6133,7740.66%
2016570,8396,4741.15%
2015564,3655,8461.05%
2014558,5196,7101.22%
2013551,8095,4761.00%
2012546,3335,9041.09%
2011540,4294,6920.88%
2010535,73797,30722.19%
1990438,43066,67717.94%
1980371,753138,72259.53%
1970233,031105,51182.74%
1960127,52071,833128.99%
195055,68724,96281.24%
194030,7258,91540.88%
193021,8107,41051.46%
192014,4001691.19%
191014,2314,92552.92%
19009,30685610.13%
18908,4501,64624.19%
18806,8044,414184.69%
18702,3900.00%

Jefferson County, Colorado Population Growth

Population Data via

Population by Race

Race Population
White512,329
Two or More Races15,435
Asian15,240
Some Other Race9,922
Black or African American6,228
American Indian and Alaska Native4,506
Native Hawaiian and Other Pacific Islander369

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

Jefferson County, Colorado Population Pyramid 2018

5,00010,00015,00020,000 Male Population5,00010,00015,00020,000 Female Population80757065605550454035302520151050

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

Jefferson County, Colorado Median Age

40.4


Total

39.1


Male

42


Female

Jefferson County, Colorado Adults

There are 447,861 adults, (85,348 of whom are seniors) in Jefferson County, Colorado.

Jefferson County, Colorado Age Dependency

55.6

Age Dependency Ratio

23.5

Old Age Dependency Ratio

32

Child Dependency Ratio

Jefferson County, Colorado Sex Ratio

Female

283,394

50.24%

Male

280,635

49.76%

Jefferson County, Colorado Households and Families

Jefferson County, Colorado Renter vs Owner Occupied by Household Type

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

Jefferson County, Colorado Household Types

Type Owner Renter
Married85.1%14.9%
All70.8%29.2%
Male60.1%39.9%
Female56.1%43.9%
Non Family55.1%44.9%

70.8%

Rate of Home Ownership

Jefferson County, Colorado Households by Type

Type Count Average Size Owned
All227,8052.4470.8
Married116,8973.0485.1
Non Family80,9351.3255.1
Female20,6783.1156.1
Male9,2953.0860.1

2.98

Average Family Size

2.44

Average Household Size

5.7%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Jefferson County, Colorado Households

Jefferson County, Colorado Education

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

Education Attained Count Percentage
Less Than 9th Grade7,0761.76%
9th to 12th Grade15,7693.92%
High School Graduate83,48820.75%
Some College90,12122.40%
Associates Degree32,3888.05%
Bachelors Degree109,34027.17%
Graduate Degree64,21015.96%

Jefferson County, Colorado Educational Attainment by Race

Name Total High School Bachelors
White331,227320,189154,203
Hispanic49,57639,7559,686
Asian10,7849,5935,397
Other Race6,7095,4061,264
Multiple Races6,7026,2572,571
Black4,0663,7641,417
Native American2,7042,200557
Islander24517999

The highest rate of high school graduation is among white people with a rate of 96.67%.

The highest rate of bachelors degrees is among white people with a rate of 50.05%.

Jefferson County, Colorado Earnings by Educational Attainment

Name Average Male Female
Overall$45,668$52,476$39,749
Less Than High School$26,280$30,552$19,079
High School Grad$35,355$39,760$30,702
Some College$40,885$47,567$34,746
Bachelors Degree$55,883$70,093$44,960
Graduate Degree$69,671$84,112$58,021

$45,668

Average Earnings

$52,476

Average Male

$39,749

Average Female

Jefferson County, Colorado Language

Jefferson County, Colorado Language by Age

Jefferson County, Colorado Language

89.02% of Jefferson County, Colorado residents speak only English, while 10.98% speak other languages. The largest non-English language is Spanish, which is spoken by 6.23% of the population.

Jefferson County, Colorado Poverty

Jefferson County, Colorado Poverty by Race

Name Total In Poverty Poverty Rate
White437,24827,9656.40%
Hispanic83,97711,96114.24%
Multiple15,1761,4899.81%
Other9,7781,41914.51%
Asian15,1651,2178.03%
Native4,15988221.21%
Black5,77181114.05%
Islander369328.67%

7.81%

Overall Poverty Rate

7.22%

Male Poverty Rate

8.39%

Female Poverty Rate

Poverty in Jefferson County, Colorado

The race most likely to be in poverty in Jefferson County, Colorado is Native, with 21.21% below the poverty level.

The race least likely to be in poverty in Jefferson County, Colorado is White, with 6.40% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.45%. Among those working part-time, it was 11.78%, and for those that did not work, the poverty rate was 13.37%.

Jefferson County, Colorado Poverty Rate by Education

Name Poverty
Less Than High School18.73%
High School8.51%
Some College5.96%
Bachelors or Greater3.40%

Jefferson County, Colorado Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed21.12%
Male Unemployed18.48%
Female Employed4.67%
Male Employed3.51%

Jefferson County, Colorado Income

Jefferson County, Colorado Income by Household Type

Name Median Mean
Households$75,170$97,672
Families$93,937$116,003
Married Families$105,136$128,120
Non Families$45,942$60,643

Jefferson County, Colorado Marital Status

Jefferson County, Colorado Marital Status

Marriage Rates

52.8%

Overall Marriage Rate

53.5%

Male Marriage Rate

52.1%

Female Marriage Rate

Jefferson County, Colorado Married by Age and Sex

Jefferson 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.

Jefferson County, Colorado Marital Status by Race


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

Jefferson County, Colorado Veterans

Jefferson County, Colorado Veterans by War

38,764

Number of Veterans

35,812

Male Veterans

2,952

Female Veterans

Name Veterans
Vietnam15,099
First Gulf War6,833
Second Gulf War5,931
Korea3,351
World War II1,770

Jefferson County, Colorado Veterans by Age

Name Veterans
65 to 7410,776
35 to 548,895
75+8,410
55 to 647,262
18 to 343,421

Jefferson County, Colorado Veterans by Race

Name Veterans % of Total
White36,5088.89%
Hispanic3,2215.45%
Black65413.45%
2 or More5576.50%
Other4495.80%
Asian3012.46%
Indian2958.82%

Jefferson County, Colorado Veterans by Education

4.68%

Veteran Poverty Rate

24.50%

Veteran Disability Rate

Jefferson County, Colorado Employment Status

Jefferson County, Colorado Employment by Age

69.3%

Labor Force Participation

66.2%

Employment Rate

4.3%

Unemployment Rate

Jefferson County, Colorado Employment by Race

Jefferson County, Colorado Employment by Education

Population of Cities in Jefferson County, Colorado

City 2010 Census 2016 Estimated Growth Growth Rate
Lakewood142995154393113987.97%
Arvada 1065241174531092910.26%
Westminster 10616011387577157.27%
Littleton 4165146333468211.24%
Wheat Ridge301923137211803.91%
Golden189092069617879.45%
Superior 12481131556745.40%
Edgewater515953231643.18%
Bow Mar 8669659911.43%
Mountain View507528214.14%
Morrison425435102.35%
Lakeside8800.00%
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