Jefferson County, Colorado Population 2022

Jefferson County, Colorado's estimated population is 593,348 with a growth rate of 0.59% in the past year according to the most recent United States census data. Jefferson County, Colorado is the 5th largest county in Colorado. The 2010 Population was 535,548 and has seen a growth of 10.79% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18702,3900.00%
18806,8044,414184.69%
18908,4501,64624.19%
19009,30685610.13%
191014,2314,92552.92%
192014,4001691.19%
193021,8107,41051.46%
194030,7258,91540.88%
195055,68724,96281.24%
1960127,52071,833128.99%
1970233,031105,51182.74%
1980371,753138,72259.53%
1990438,43066,67717.94%
2010535,54897,11822.15%
2011540,5064,9580.93%
2012546,6026,0961.13%
2013552,0315,4290.99%
2014558,8196,7881.23%
2015564,8886,0691.09%
2016571,4136,5251.16%
2017575,4174,0040.70%
2018579,3923,9750.69%
2019582,8813,4890.60%
2020586,3703,4890.60%
2021589,8593,4890.60%
2022593,3483,4890.59%
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Jefferson County, Colorado Population Growth

Population by Race

Race Population Percentage
White511,64588.40%
Black or African American6,5891.14%
American Indian and Alaska Native3,7880.65%
Asian16,2802.81%
Native Hawaiian and Other Pacific Islander4120.07%
Some Other Race12,6052.18%
Two or More Races27,4764.75%
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Jefferson County, Colorado Population by Race

Jefferson County, Colorado Population Pyramid 2022

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Jefferson County, Colorado Median Age

40.2


Total

39


Male

41.5


Female

Jefferson County, Colorado Adults

There are 464,781 adults, (95,286 of whom are seniors) in Jefferson County, Colorado.

Jefferson County, Colorado Age Dependency

Age Dependency Ratio

25.8

Old Age Dependency Ratio

30.9

Child Dependency Ratio

Jefferson County, Colorado Sex Ratio

Female

290,026

50.11%

Male

288,769

49.89%

Jefferson County, Colorado Population by Age

Jefferson County, Colorado Renter vs Owner Occupied by Household Type

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Jefferson County, Colorado Household Types

Type Owner Renter
Married85.7%14.3%
All71.7%28.3%
Male58.2%41.8%
Female58.1%41.9%
Non Family56.2%43.8%

71.7%

Rate of Home Ownership

Jefferson County, Colorado Households and Families

Type Count Average Size Owned
All229,0072.4971.7
Married117,8443.0685.7
Male10,3053.2658.2
Female19,2083.3358.1
Non Family81,6501.3756.2

3.03

Average Family Size

2.49

Average Household Size

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Jefferson County, Colorado Households by Type

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Education Attained Count Percentage
Less Than 9th Grade6,3821.52%
9th to 12th Grade15,4103.67%
High School Graduate83,76719.92%
Some College87,32520.77%
Associates Degree32,3187.69%
Bachelors Degree124,64929.65%
Graduate Degree70,59916.79%
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Jefferson County, Colorado Educational Attainment by Sex (over 25)

Jefferson County, Colorado Educational Attainment by Race

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Race Total High School Bachelors
Asian11,84010,2965,950
White341,302331,111171,514
Islander370370144
2+ Races14,42713,2525,604
Black4,3963,9681,416
Hispanic53,82644,76812,417
Other Race8,4857,1261,946
Native American2,4862,052381

The highest rate of high school graduation is among islander people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 50.25%.

Jefferson County, Colorado Educational Attainment by Race

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Name Average Male Female
Overall$51,261$60,123$43,138
Less Than 9th Grade$31,181$36,023$21,291
High School Graduate$38,361$43,338$32,212
Some College$43,598$52,388$36,247
Bachelors Degree$61,339$76,060$49,485
Graduate Degree$76,235$95,667$64,719

$51,261

Average Earnings

$60,123

Average Male

$43,138

Average Female

Jefferson County, Colorado Earnings by Educational Attainment

Jefferson County, Colorado Language by Age

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Jefferson County, Colorado Language

89.66% of Jefferson County, Colorado residents speak only English, while 10.34% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.04% of the population.

Jefferson County, Colorado Language

Jefferson County, Colorado Poverty by Race

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Name Total In Poverty Poverty Rate
Black6,00978913.13%
Hispanic87,81010,66412.14%
Multiple27,1412,92510.78%
Native3,4372788.09%
Asian16,1151,2547.78%
Islander412276.55%
White443,25524,2065.46%
Other1,309NaN%

6.73%

Overall Poverty Rate

6.39%

Male Poverty Rate

7.07%

Female Poverty Rate

Poverty in Jefferson County, Colorado

The race most likely to be in poverty in Jefferson County, Colorado is Black, with 13.13% below the poverty level.

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

The poverty rate among those that worked full-time for the past 12 months was 1.23%. Among those working part-time, it was 10.05%, and for those that did not work, the poverty rate was 13.25%.

Jefferson County, Colorado Poverty

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Name Poverty
Less Than 9th Grade16.76%
High School8.33%
Some College6.40%
Bachelors or Greater3.02%

Jefferson County, Colorado Poverty Rate by Education

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Rate Poverty
Male Employed3.05%
Male Unemployed15.72%
Female Employed3.83%
Female Unemployed22.43%

Jefferson County, Colorado Poverty Rate by Employment Status and Sex

Jefferson County, Colorado Income by Household Type

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Name Median Mean
Households$87,793$111,693
Families$108,867$132,450
Married Families$120,801$145,025
Non Families$53,152$69,743
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Income by Household Type

Jefferson County, Colorado Marital Status

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Marriage Rates

51.7%

Overall Marriage Rate

52.1%

Male Marriage Rate

51.2%

Female Marriage Rate

Jefferson County, Colorado Married by Age and Sex

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Jefferson County, Colorado Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Jefferson County, Colorado Marital Status by Race

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Jefferson County, Colorado Marital Status

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35,879

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War7,068
First Gulf War6,579
Vietnam13,617
Korea2,598
World War II829

Jefferson County, Colorado Veterans by War

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Age Group Veterans
18 to 343,496
35 to 548,059
55 to 646,164
65 to 749,843
75+8,317

Jefferson County, Colorado Veterans by Age

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Name Veterans % of Total
White32,8687.92%
Black4288.27%
Native American2869.54%
Asian2461.86%
Islander9423.74%
Other Race6346.24%
2+ Races1,3237.65%
Hispanic3,4155.37%

Jefferson County, Colorado Veterans by Race

Jefferson County, Colorado Veterans by Education

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4.75%

Veteran Poverty Rate

23.10%

Veteran Disability Rate

Jefferson County, Colorado Veterans by Education

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69.2%

Labor Force Participation

66.4%

Employment Rate

4%

Unemployment Rate

Jefferson County, Colorado Employment by Age

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Jefferson County, Colorado Employment by Race

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Jefferson County, Colorado Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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45.90%

Born in Jefferson County, Colorado

93.75%

Native Born

6.25%

Foreign Born

2.91%

Non Citizen

3.34%

Naturalized

Place of Birth

93.75% of Jefferson County, Colorado residents were born in the United States, with 45.90% having been born in Colorado. 2.91% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Jefferson County, Colorado Place of Birth

  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

Sources