Jefferson County, Colorado's estimated population is 589,065 with a growth rate of 0.76% 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 |
|---|---|---|---|
| 2020 | 589,065 | 4,416 | 0.76% |
| 2019 | 584,649 | 4,416 | 0.76% |
| 2018 | 580,233 | 4,416 | 0.77% |
| 2017 | 575,817 | 4,038 | 0.71% |
| 2016 | 571,779 | 6,556 | 1.16% |
| 2015 | 565,223 | 6,138 | 1.10% |
| 2014 | 559,085 | 6,831 | 1.24% |
| 2013 | 552,254 | 5,490 | 1.00% |
| 2012 | 546,764 | 6,009 | 1.11% |
| 2011 | 540,755 | 4,922 | 0.92% |
| 2010 | 535,833 | 97,403 | 22.22% |
| 1990 | 438,430 | 66,677 | 17.94% |
| 1980 | 371,753 | 138,722 | 59.53% |
| 1970 | 233,031 | 105,511 | 82.74% |
| 1960 | 127,520 | 71,833 | 128.99% |
| 1950 | 55,687 | 24,962 | 81.24% |
| 1940 | 30,725 | 8,915 | 40.88% |
| 1930 | 21,810 | 7,410 | 51.46% |
| 1920 | 14,400 | 169 | 1.19% |
| 1910 | 14,231 | 4,925 | 52.92% |
| 1900 | 9,306 | 856 | 10.13% |
| 1890 | 8,450 | 1,646 | 24.19% |
| 1880 | 6,804 | 4,414 | 184.69% |
| 1870 | 2,390 | 0.00% |
| Race | Population | Percentage |
|---|---|---|
| White | 517,644 | 90.75% |
| Asian | 16,243 | 2.85% |
| Two or More Races | 15,282 | 2.68% |
| Some Other Race | 10,200 | 1.79% |
| Black or African American | 6,639 | 1.16% |
| American Indian and Alaska Native | 4,162 | 0.73% |
| Native Hawaiian and Other Pacific Islander | 257 | 0.05% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 230,153 | 2.44 | 70.4 |
| Married | 117,708 | 3.04 | 84.7 |
| Non Family | 82,510 | 1.34 | 54.6 |
| Female | 20,123 | 3.12 | 57.9 |
| Male | 9,812 | 3.07 | 57 |
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 6,890 | 1.68% |
| 9th to 12th Grade | 15,950 | 3.90% |
| High School Graduate | 84,351 | 20.62% |
| Some College | 89,113 | 21.79% |
| Associates Degree | 32,448 | 7.93% |
| Bachelors Degree | 113,402 | 27.73% |
| Graduate Degree | 66,834 | 16.34% |
The highest rate of high school graduation is among white people with a rate of 96.76%.
The highest rate of bachelors degrees is among asian people with a rate of 52.24%.
$47,553
Average Earnings
$54,542
Average Male
$40,931
Average Female
89.35% of Jefferson County, Colorado residents speak only English, while 10.65% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.19% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 440,275 | 26,088 | 5.93% |
| Hispanic | 85,552 | 11,392 | 13.32% |
| Multiple | 15,077 | 1,740 | 11.54% |
| Asian | 16,182 | 1,468 | 9.07% |
| Other | 10,078 | 1,385 | 13.74% |
| Black | 6,223 | 911 | 14.64% |
| Native | 3,763 | 573 | 15.23% |
| Islander | 257 | 20 | 7.78% |
7.38%
Overall Poverty Rate
6.84%
Male Poverty Rate
7.92%
Female Poverty Rate
The race most likely to be in poverty in Jefferson County, Colorado is Native, with 15.23% below the poverty level.
The race least likely to be in poverty in Jefferson County, Colorado is White, with 5.93% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.41%. Among those working part-time, it was 11.21%, and for those that did not work, the poverty rate was 13.56%.
52.6%
Overall Marriage Rate
53.2%
Male Marriage Rate
51.9%
Female Marriage Rate
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.
| Name | Veterans | % of Total |
|---|---|---|
| White | 35,902 | 8.63% |
| Hispanic | 3,169 | 5.21% |
| Black | 549 | 10.62% |
| 2 or More | 518 | 6.09% |
| Other | 518 | 6.44% |
| Asian | 369 | 2.84% |
| Indian | 326 | 9.49% |
| Hawaiian | 9 | 3.80% |
5.04%
Veteran Poverty Rate
24.58%
Veteran Disability Rate
69.4%
Labor Force Participation
66.8%
Employment Rate
3.7%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
93.41%
Native Born
6.59%
Foreign Born
3.14%
Non Citizen
93.41% of Jefferson County, Colorado residents were born in the United States, with 46.12% having been born in Colorado. 3.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.