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Jefferson County, Colorado's estimated population is 589,859 with a growth rate of 0.60% in the past year according to the most recent United States census data. Jefferson County, Colorado is the null largest county in Colorado. The 2010 Population was 535,548 and has seen a growth of 10.14% since this time.
| Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2021 | 589,859 | 3,489 | 0.60% |
| 2020 | 586,370 | 3,489 | 0.60% |
| 2019 | 582,881 | 3,489 | 0.60% |
| 2018 | 579,392 | 3,975 | 0.69% |
| 2017 | 575,417 | 4,004 | 0.70% |
| 2016 | 571,413 | 6,525 | 1.16% |
| 2015 | 564,888 | 6,069 | 1.09% |
| 2014 | 558,819 | 6,788 | 1.23% |
| 2013 | 552,031 | 5,429 | 0.99% |
| 2012 | 546,602 | 6,096 | 1.13% |
| 2011 | 540,506 | 4,958 | 0.93% |
| 2010 | 535,548 | 97,118 | 22.15% |
| 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 | 520,619 | 90.57% |
| Asian | 16,256 | 2.83% |
| Two or More Races | 16,136 | 2.81% |
| Some Other Race | 10,653 | 1.85% |
| Black or African American | 6,839 | 1.19% |
| American Indian and Alaska Native | 3,974 | 0.69% |
| Native Hawaiian and Other Pacific Islander | 321 | 0.06% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 232,284 | 2.44 | 70.7 |
| Married | 118,271 | 3.03 | 85.2 |
| Non Family | 82,866 | 1.35 | 55.1 |
| Mujer | 20,636 | 3.07 | 57.9 |
| Masculino | 10,511 | 3.06 | 55.5 |
2.96
Average Family Size
2.44
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 6,957 | 1.68% |
| 9th to 12th Grade | 15,793 | 3.81% |
| High School Graduate | 84,160 | 20.29% |
| Some College | 88,076 | 21.23% |
| Associates Degree | 32,452 | 7.82% |
| Bachelors Degree | 119,242 | 28.75% |
| Graduate Degree | 68,145 | 16.43% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 338,715 | 327,916 | 165,510 |
| Hispanic | 52,572 | 42,796 | 11,250 |
| Asian | 11,767 | 10,485 | 6,085 |
| 2+ Races | 7,262 | 6,794 | 3,100 |
| Other Race | 6,971 | 5,698 | 1,399 |
| Black | 4,463 | 4,139 | 1,590 |
| Native American | 2,678 | 2,173 | 449 |
| Islander | 263 | 263 | 70 |
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 51.71%.
$49,723
Average Earnings
$57,655
Average Male
$41,768
Average Female
89.43% of Jefferson County, Colorado residents speak only English, while 10.57% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.27% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 442,570 | 25,146 | 5.68% |
| Hispanic | 86,563 | 10,897 | 12.59% |
| Multiple | 15,920 | 1,882 | 11.82% |
| Asian | 16,144 | 1,711 | 10.60% |
| Other | 10,405 | 1,297 | 12.47% |
| Black | 6,305 | 894 | 14.18% |
| Native | 3,577 | 312 | 8.72% |
| Islander | 321 | 11 | 3.43% |
7.10%
Overall Poverty Rate
6.57%
Male Poverty Rate
7.61%
Female Poverty Rate
The race most likely to be in poverty in Jefferson County, Colorado is Black, with 14.18% below the poverty level.
The race least likely to be in poverty in Jefferson County, Colorado is Islander, with 3.43% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.30%. Among those working part-time, it was 10.60%, and for those that did not work, the poverty rate was 13.52%.
52.2%
Overall Marriage Rate
52.7%
Male Marriage Rate
51.8%
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 | 35,121 | 8.36% |
| Hispanic | 3,193 | 5.12% |
| 2+ Races | 586 | 6.39% |
| Other Race | 539 | 6.45% |
| Black | 529 | 10.04% |
| Native American | 345 | 10.67% |
| Asian | 333 | 2.52% |
| Islander | 16 | 5.37% |
4.98%
Veteran Poverty Rate
24.36%
Veteran Disability Rate
69.4%
Labor Force Participation
66.8%
Employment Rate
3.6%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
93.60%
Native Born
6.40%
Foreign Born
2.92%
Non Citizen
3.48%
Naturalized
93.60% of Jefferson County, Colorado residents were born in the United States, with 46.00% having been born in Colorado. 2.92% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.